The sum of the environmental factors such as mineral deficiencies, and drought that tend to restrict the biotic potential of the organisms in the biosystem imposes the limit on the numerical increase.
Environmental resistance is resistance presented by the environmental conditions to limit a species from growing out.
Environmental resistance is the factor that affects the growth, stability, and decline of a population.
Ecological resistance or environmental resistance are synonymous terms that describe how an ecosystem resists invasive species by limiting their survival, reproduction rate, and overall population growth.
An ecosystem is created by the total of all living and non-living components.
Living components of an ecosystem are called biotic factors. Any living organisms, including bacteria, animals, plants, and fungi are biotic factors in an ecosystem.
Non-living components are called abiotic factors. Rocks, sunlight, oxygen, nitrogen, and water are examples of abiotic factors in an ecosystem.
biotic and Abiotic environmental factors that contribute to environmental resistance are together called environmental resistance factors.
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What system are the Cranial nerves a part of?
In the back of your brain, the cranial nerves start. Your neurological system depends on them in important ways. Your brain is connected to 12 pairs of nerves, 11 of which are located in your peripheral nervous system.
These are known as cranial nerves (the second cranial nerve, which controls your vision, is part of your central nervous system). In terms of anatomy, your brain, not your somatic nervous system, is what the cranial nerve (CN) II, which links to your eyes, is.
The 31 spinal nerves that make up your somatic nervous system are connected further down. Your body's nerves, which travel throughout it, branch out from the spinal nerves in more ways.
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waves of muscular contractions that propel food along the gastrointestinal tract are called
Peristalsis are the waves like contractions that help in moving food along the digestive tract.
The muscles that line your gastrointestinal track automatically contract and relax in a wave-like motion known as peristalsis. Peristalsis, which starts in the throat when you swallow and continues through the esophagus, stomach, and intestines as you digest, is the movement of food through your digestive system.
Through the myenteric plexus, the parasympathetic nervous system (PNS) stimulates peristalsis. The myenteric plexus' afferent (sensory) nerves transmit data to interneurons inside the plexus. Interneurons interact with efferent nerves to cause smooth muscle cells to produce an action potential (spike-wave).
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what percentage of blood is represented by plasma?
Plasma is the liquid portion of blood. About 55% of our blood is plasma and the remaining 45% are red blood cells, white blood cells, and platelets that are hovered in the plasma. Plasma is about 92% water.
Plasma also comprises 7% vital proteins such as albumin, gamma globulin, and anti-hemophilic factor, and 1% mineral salts, sugars, fats, hormones, and vitamins. Plasma assists to sustain blood pressure and blood volume. It pools essential proteins for blood clotting and immunity. It also brings electrolytes such as sodium and potassium to our muscles. Plasma also assists to sustain a proper pH balance in the body, which endorses cell function.
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What is fermentation in biology?
Fermentation is another anaerobic(non-oxygen-requiring) pathway for breaking down glucose, one that is performed by numerous types of organisms and cells.
In fermentation, the only energy birth pathway is glycolysis, with one or two redundant responses turned on at the end. turmoil and cellular respiration begin the same way, with glycolysis. In turmoil, still, the pyruvate made in glycolysis doesn't continue through oxidation and the citric acid cycle, and the electron transport chain doesn't run.
Because the electron transport chain is not functional. turmoil is the process in which a substance breaks down into a simpler substance. turmoil refers to the metabolic process by which organic motes( substantially carbohydrates, similar as bounce or a sugar) are converted into acids, feasts, or alcohol in the absence of oxygen or any electron transport chain.
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In a patch of animal cell membrane about 10 μm in area, which will be true?A) There will be more proteins than lipids.B) There will be about an equal number of proteins and lipids.C) There will be more carbohydrates than lipids.D) There will be more lipids than proteins.E) Because the lipid bilayer acts as a two-dimensional fluid, there is no way to predict the relative numbers of proteins and lipids in any patch of cell membrane.
In a patch of animal cell membrane about 10 μm in area - B) There will be about an equal number of proteins and lipids.
How much protein and fat does the plasma membrane contain?The majority of plasma membranes are composed of roughly 50% lipid and 50% protein by weight; the carbohydrate components of glycolipids and glycoproteins make up 5–10% of the membrane composition.
In a cell membrane, which lipid is the most prevalent?phospholipids-
The phospholipids are the most prevalent type of membrane lipid. Two hydrophobic hydrocarbon tails and a polar head group are present.
Typically, the tails are fatty acids, and they might vary in length (they normally contain between 14 and 24 carbon atoms). One tail is typically unsaturated (containing one or more cis-double bonds), whereas the other tail is not (i.e., it is saturated). Figure 10-2 demonstrates how each double bond causes a slight kink in the tail. The fluidity of the membrane is affected by variations in the length and saturation of the fatty acid tails because these factors affect how tightly phospholipid molecules may pack together.
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Collecting vessels are formed by the convergence of several lymphatic _____
Both are created by the fusion of several lymphatic capillaries, also known as beginning lymphatics, which are blind-ended vessels with a single endothelial layer that are present in almost all tissues.
What is tissue and what does it do?Tissues: A collection of cells that work as a single unit and have a similar structure are referred to as tissues. The body's tissues give it form and aid in energy storage and heat retention.
What components comprise tissue?Explain tissue. Tissue refers to soft, thin, flexible, and absorbent products made from wood like recycled paper. The tissues that bring to mind include those we see and use frequently, including napkins, toilet paper, and facial tissues. Paper used for gift-wrapping is also tissue.
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Did animal-mediated fertilization originate with flowering plants, or was this mode of sperm dispersal likely in place before the origin of flowering plants?
Animals were probably involved in fertilisation long before flowering plants. For instance, mosses, which were some of the earliest land plants, were fertilised by animals. Moss sperm can swim a short distance to fertilise an egg because they are mobile.
Porogamy. The majority of angiosperms, or blooming plants, fertilise using this method. The pollen tube penetrates the ovule thru the micropyle in this method of fertilisation. Animals were probably involved in fertilisation long before flowering plants. For instance, mosses, which were some of the earliest land plants, were fertilised by animals. Moss sperm can swim a short distance to fertilise an egg because they are mobile.Strassburger made the initial discovery of fertilisation of flowering plants in 1884. The stigma of the pistil is where the pollen grains were initially released from the anther. They begin to grow there and develop into pollen tubes, which descend through the style and head for the ovules.
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what is the male spore known as in angiosperm reproduction?
Microspore is the male spore known as in angiosperm reproduction.
Micropore are small haploid structures that develop to the male gametophyte,whereas megaspore develop into female gametophyte
The microspore divides by mitosis producing two cells. The first of the cells (the generative cell) is small and is formed inside the second larger cell (the tube cell). The members of each part of the microspores separate from each other. A double-layered wall then develops around each microspore.
These steps occur in sequence and when complete, the microspores have become pollen grains. Microspore embryogenesis is said used in biotechnology to produce double haploid plants, which are immediately fixed as homozygous for each locus in only one generation. The haploid microspore is then stressed to trigger the embryogenesis pathway and the resulting haploid embryo then doubles its genome spontaneously. Without this double haploid situation, there are several breeding methods of the generations of selection to produce a pure homozygous line.
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Which of the following organisms would be able to extract the GREATEST percentage of oxygen from their respiratory medium?A. sparrowsB. blue whalesC. salmonD. humansE. seagulls
The greatest amount of oxygen could be drawn out of the respiratory media by blue whale species.
What benefit does a lung have over a gill for the exchange of gases?Compared to oxygen-depleted blood, the air in the lungs has a higher oxygen content and a lower carbon dioxide content. During respiration, gas exchange is made possible by this concentration gradient.
Which organism has a respiratory system built into the cell membrane?amoeba, In amoebas and other unicellular organisms, the cell membrane serves as a respiratory surface for the exchange of gases such as carbon dioxide and oxygen.
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Which of the following interactions causes plants to bend towards the light?
Plants bend towards the light due to a phenomenon known as phototropism.
What is phototropism?Phototropism is the growth response of a plant to light. The plant hormones, such as auxins, play a crucial role in the bending of the plant towards the light source.
The auxins are unevenly distributed in the plant cells, with a higher concentration on the shaded side. This causes the cells on the shaded side to grow longer, resulting in the bending of the plant towards the light source.
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in which lab report section will you find the following statement: To examine the activity of cells under a microscope
This statement can be found in the "Methods" or "Procedure" section of a lab report.
What occurs in the methods and procedure parts of lab reports?The methods and procedure section of a lab report typically describes the steps that were taken in a laboratory experiment in order to observe, test, or measure a particular phenomenon. This section is used to provide a detailed and standardized account of how the experiment was conducted so that other researchers can replicate the results.
This section provides a detailed description of the steps taken to carry out the experiment and is where the statement "To examine the activity of cells under a microscope" would be included.
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autoimmune disorder in which inflammation causes joints to become deformed is called?
An autoimmune and inflammatory condition known as rheumatoid arthritis (RA) is caused when your immune system unintentionally attacks healthy cells in your body, resulting in inflammation (painful swelling) in the affected regions.
The joints are the main targets of RA, which frequently targets many joints at once. A specific sort of autoimmune illness is rheumatoid arthritis. Normally, your immune system works to keep your body healthy and free from sickness and infection. When you have rheumatoid arthritis, your immune system attacks healthy joint tissue. Also, it may cause problems with your nerves, eyes, skin, heart, and lungs. An autoimmune condition called rheumatoid arthritis causes the joints to deteriorate and become inflamed due to the body's own immune system.
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What is the most important purpose of photosynthesis to plants?-to store energy in the chemical bonds of glucose-to create oxygen to be used by heterotrophs-to create sunlight-to create carbon dioxide
The key function of photosynthesis is to convert solar energy into chemical energy and then store that chemical energy for the future use.
What is the purpose of photosynthesis to plants?The primary purpose of photosynthesis is to convert radiant energy from sun into chemical energy that can be used for food. Cellular respiration is a process that occurs in mitochondria of organisms to break down sugar in the presence of oxygen and to release energy in form of ATP.
Plants are autotrophs and they use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant can use as fuel. These primary producers form the base of ecosystem and fuel next trophic levels.
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Two plants that produce orange-colored fruits are crossed. Of the resulting offspring, 50% produce orange fruit, 25% produce red fruit, and 25% produce yellow fruit. Identify the genotypes of the parents and explain how the offspring could produce different-colored fruits than the parents.
The offspring produced by the cross of two orange-fruited plants producing a mix of orange, red, and yellow fruit is an indication of the presence of multiple alleles controlling fruit color.
Alleles are different versions of a gene, and in this case, the parents are likely heterozygous for the gene-controlling fruit color, meaning they have two different alleles.
The parent plants could have the genotype RrO, where R is the dominant allele for red fruit color, r is the recessive allele for yellow fruit color, and O is the dominant allele for orange fruit color. When these heterozygous plants are crossed, the offspring have a 50% chance of inheriting the RrO genotype, which results in orange fruit, and a 25% chance each of inheriting the Rr and rrO genotypes, which result in red and yellow fruit, respectively.
This pattern of inheritance demonstrates how offspring can display traits that are different from their parents when they inherit different combinations of alleles. The mixing of alleles through sexual reproduction results in genetic diversity, which can increase the survival chances of populations in changing environments.
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Nondisjunction that leads to problems in offspring can occur in:meiosis I and II
During cell division (mitosis/meiosis), nondisjunction occurs when sister chromatids or homologous chromosomes are unable to correctly separate from one another.
A pair of homologous chromosomes failing to split in meiosis I, sister chromatids failing to separate in meiosis II, and sister chromatids failing to separate in mitosis are the three types of nondisjunction. Sister chromatids or homologous chromosomal pairs fail to split during meiosis, resulting in nondisjunction. With the parents' ages, the likelihood of nondisjunction rises.
Meiosis I and II both have nondisjunction, but the outcomes are different. There will be two gametes without the homologous chromosome and two gametes with two copies of it if homologous chromosomes fail to split during meiosis I.
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Identify and describe each step of the scientific method. Step one: Step two: Step three: Step four: Step five: Step six:
Answer:
make me
Explanation:666
What is the complementary strand for 5 '- Agtc 3?
Alternately, the DNA strand that is correctly complementary to 5'-TACGATCATAT-3' is: 3'-ATGCTAGTATA-5"&#.
What lies between DNA's 5 and 3 ends?The "5 prime end" of a nucleic acid strand has a free hydroxide ions (or phosphorus) on a 5' carbon as well as the "3 prime end" does have a free hydroxide ions (or phosphorus) on a 3' carbon. The carbon in the sugar ring have been counted from 1' to 5'.
How do you know which end is the 5 and which end is the 3 of a DNA strand?The deoxyribose sugar molecule's number of carbon atoms that a phosphate group attaches to is indicated by the numbers 3′ and 5′. Beginning with oxygen atom, the carbon atoms in sugar were numbered clockwise. Because of this asymmetry, the DNA strand has a "direction," as well as the nucleotides are transcribed from 5′ to.
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Which part of the cell is responsible for assembling proteins?
Answer:
Ribosomes
Explanation:
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A student completes a PET experiment using chloroplasts from leaves lacking pigments that absorb in the 550 nm to 600 nm wavelength range. Which color of light should they avoid in their experiment if they want to measure activity at different wavelengths? a. Blue b. Orange c. Yellow d. Red e. Violet
The student should avoid light in the wavelength range of 550-600 nm due to lack of pigments.
To measure the activity of the chloroplasts at different wavelengths, the student needs to use a broad range of light wavelengths and avoid using a specific wavelength of light that the chloroplasts cannot absorb.
Of the options given, red light (which has a wavelength range of 620 nm to 750 nm) would be the best choice to avoid in the experiment. This is because red light is absorbed strongly by chlorophyll a and b, which are the primary pigments involved in photosynthesis, and it may interfere with the measurement of activity at other wavelengths.
On the other hand, blue, orange, yellow, and violet light are not strongly absorbed by chlorophylls and can be used in the experiment to measure activity at different wavelengths.
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The answers to this question is either C or V
In a scientific setting, a hypothesis (plural: hypotheses) is a tested claim regarding the relationship between two or more variables or a suggested explanation for a phenomenon that has been observed.
What is Hypothesis?The hypothesis is a succinct statement of the researcher's expectation of the study's findings, which may or may not be confirmed by the results, in a scientific experiment or study.
The scientific method's fundamental step is hypothesis testing.
It is customary to refer to the researcher's prediction as the alternative hypothesis and any other result as the null hypothesis, or, more simply put, the opposite of what was anticipated.
Therefore, In a scientific setting, a hypothesis (plural: hypotheses) is a tested claim regarding the relationship between two or more variables or a suggested explanation for a phenomenon that has been observed.
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Why should we focus more on growing trees rather than
simply planting trees? Use at least three details from the
text in your answer.
We should focus more on growing trees rather than simply planting trees because mature trees provide a good source to the economy along with reducing the bills.
Why should we focus on planting trees?Trees definitely deliver a significant contribution to their surroundings by giving oxygen, sustaining species, improving air quality, saving water, maintaining soil, and reducing climate change.
It provides more than it gets by concentrating on its principal job of photosynthesis. Trees always provide many resources, such as food, to a community. Trees mitigate the Urban Heat Island Effect and store and sequester carbon. They are important for habitat.
They also have a high rate of photosynthesis through which oxygen is liberated at a fast rate.
Therefore, we should ultimately focus more on growing trees rather than simply planting trees.
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do plant cells have centrioles
Only prokaryotic plants have centrioles; eukaryotic plant cells lack these organelles.
Two barrel-shaped organelles called centrioles are found in the cytoplasm of animal cells, adjacent to the nuclear envelope.. The skeletal framework of the cell, the microtubules, are organized by centrioles. They aid in identifying the locations of the cell's nucleus and other organelles.
The division of cells is an issue for the centriole. As the cell cycle progresses, they aid in the creation of the spindle fibers that divide the chromosomes.
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About how much of the solar energy that reaches earth's atmosphere is absorbed by the atmosphere? (1 point).
Incoming radiation is 70%, reflection radiation is 30% of the solar energy that reaches earth's atmosphere is absorbed by the atmosphere.
What is atmosphere ?
The atmosphere is one of the fundamental elements of Earth's interconnected physical systems. The layers of gases that surround a planet or other celestial body make up its atmosphere. Around 78% of the gases in the Earth's atmosphere are nitrogen, 21% are oxygen, and 1% are other gases.
What is solar energy ?
Simply said, solar energy is the heat and light that the sun produces. There are several ways that people can use the energy that the sun provides: photovoltaic cells, which turn sunshine into electricity. Solar thermal technology uses the heat from the sun to produce hot water or steam.
Therefore, Incoming radiation is 70%, reflection radiation is 30% of the solar energy that reaches earth's atmosphere is absorbed by the atmosphere.
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What materials are broken down by the enzymes in the modification of barley?
cells' protein barriers. In a process called as modification, the enzymes dismantle the starch's protective protein walls and break them down for digestion.
Is peanut butter a good source of protein?
As a source of protein and a source of heart-healthy fats, peanut butter can be useful for vegetarians trying to increase their protein intake. Up to 8 g of protein plus 2 to 3 milligrams of fiber are found in a 2-tablespoon dose of butter.
Gives you adequate protein 2 eggs?
You can fulfill your hunger with 12 grams of protein from two eggs. Eat the entire egg to get the full amount of protein as half of it is in the yolk. According to recent studies, eating whole eggs instead of simply the egg whites increases muscle strength and lean muscle growth.
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________.The system of membrane saccules that is studded with ribosomes and capable of producing proteins.
Rough endoplasmic reticulum is the system of membrane saccules that is studded with ribosomes and capable of producing proteins.
What do you mean by membrane?
A membrane is a thin, semi-permeable barrier that separates two environments, such as cells or organelles inside a cell, or the body and its environment. It is typically composed of lipids, proteins, and carbohydrates that are arranged in a phospholipid bilayer. Membranes allow certain substances to pass through while blocking others, thus regulating the movement of materials and energy.
Rough endoplasmic reticulum (ER) is a network of interconnected membranes within the cell that extends throughout the cytoplasm. It has a rough appearance due to the presence of ribosomes attached to the outer surface of the membrane. These ribosomes are responsible for the production of proteins. The ER is the site of protein synthesis as the ribosomes attached to the outer membrane of the ER synthesize proteins according to the instructions of the messenger RNA (mRNA). The proteins that are produced in this process are then transported to other compartments of the cell, such as the Golgi apparatus, for further processing. In addition, the ER also plays a role in the transport of lipids, carbohydrates and other molecules throughout the cell.
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pelase write the human organs list
The brain, The lungs, The bladder, The kidneys, The heart, The stomach are the internal human organs list.
An organ is a collection of tissues connected together in a structural unit to serve a common purpose in biology. An organ is located between tissue and an organ system in the biological hierarchy. Tissues are made up of cells of the same type that work together to perform a purpose.
Tissues of many sorts join together to form an organ with a specific function. The gut wall, for example, is made up of epithelial and smooth muscle tissue. An organ system, also known as a biological system or body system, is made up of two or more organs that operate together to provide a certain physiological function.
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Full Question: Please write the internal human organs list?
during respiration, does glucose become more oxidized or more reduced?
Answer:
During cellular respiration, glucose becomes more oxidized as it is broken down and releases energy.
Explanation:
During cellular respiration, glucose undergoes a process of oxidation. In other words, it becomes more oxidized as it is broken down into smaller molecules and releases energy.
Oxidation is a chemical reaction in which a molecule loses electrons, making it more positively charged. During cellular respiration, electrons are stripped from glucose and transferred to oxygen, which combines with hydrogen ions to form water. This transfer of electrons results in the conversion of glucose into smaller, more highly oxidized molecules, such as carbon dioxide and water.
How do you think temperature affects sound in the global ocean?
Answer:
Explanation:
Temperature affects sound speed in the global ocean. The speed of sound in water increases as the temperature increases, and decreases as the temperature decreases. This is because sound waves travel faster in denser materials, and water is denser at higher temperatures. As a result, in warmer water, sound waves can travel faster and farther, while in cooler water, they may travel more slowly and not as far. This can have implications for underwater sound communication and detection, as well as for marine life that uses sound for navigation and communication.
True or false? A woman's ovum will complete meiosis II only if fertilization has occurred.
A woman's ovum will complete meiosis II only if fertilization has occurred.----- True
When a sperm cell fertilizes the female ovum in the oviduct or fallopian tube, meiosis is complete.
What does fertilized egg mean?The next step is to fertilize the egg. The process by which a single sperm gradually penetrates an egg's layers to form a new cell is referred to as fertilization. This can take up to 24 hours and usually happens in the fallopian tubes.
What does fertilized sperm mean?To move the sperm toward the fallopian tubes, the uterus and sperm cooperate. The sperm and egg can join together if an egg is moving through your fallopian tubes at the same time. Before it dies, the sperm has up to six days to join an egg.
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A certain metal forms a soluble nitrate salt. Suppose the left half cell of a galvanic cell apparatus is filled with a solution of and the right half cell with a solution of the same substance. Electrodes made of are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at.
The right electrode will be positive and the voltmeter will show a voltage of approximately 0.762 volts.
In a galvanic cell, the electrode that is immersed in the solution with a higher concentration of ions will have a lower concentration of electrons and will become the positive electrode, while the electrode immersed in the solution with a lower concentration of ions will become the negative electrode. The voltage is a measure of the potential difference between the two electrodes, and is proportional to the logarithm of the concentration ratio of the ions in the two solutions.
In this case, since the concentration of M(NO3)3 is much higher in the left half-cell than in the right half-cell, the left electrode will become the negative electrode and the right electrode will become the positive electrode, with a voltage of approximately 0.762 volts as measured by the voltmeter.
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Complete Question:
A certain metal M forms a soluble nitrate salt M(NO3)3 . Suppose the left half cell of a galvanic cell apparatus is filled with a 2.50M solution of M(NO3)3 and the right half cell with a 12.5mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 20.0°C.
Which electrode will be positive? Left of Right
What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode.