In human females, gametes are produced in the
(1) uterus
(3) ovaries
(2) testes
(4) estrogen
Define Photosynthesis.
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.
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Answer:
if i'm not mistaken it would be 4/4 because Hmzygous dominant with hmzygous dominant will only produce Hmzygous dominant offspring
During the systole phase of the cardiac cycle, the left ventricle contracts and blood is pumped into the aorta. Which of these valves prevents a backflow of blood into the left atrium?
Is this animal a carnivore or an herbivore? How do its teeth help it obtain food?
Answer: carnivore
Explanation: they have long teeth and can bite through anything
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Animals from colder climates generally have shorter limbs. This is called
(a) Allen’s rule
(b) Johnson’s rule
(c) Arber’s rule
(d) Niche rule
Answer:
(a) Allen's rule
Explanation:
It is a heat-conservation mechanism that prevents heat loss from the body. Heat gain and heat loss can be maximised and minimised by lowering the surface area to volume ratio of the body. Small animals are uncommon in the polar regions due to their larger surface area and lower volume.
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Answer:
Allen's rule
Explanation:
In colder climates they need more heat to warm their bodyIn order to not lose more heat from body they have shorter limbs by which they get lower surface areaThe release of neurotransmitter from the presynaptic cell is an example of:
Exocytosis is highly specialized in secretory cells and neurons, is highly regulated, and constitutes the main cellular mechanism for neurotransmitter secretion.
What is exocytosis?It involves the fusion of the vesicular membrane to the plasma membrane, in a calcium-dependent manner that releases molecules that perform specific functions in the body.
Neurotransmitter exocytosis is an essential part of presynaptic transmission and, by extension, of the functioning of the nervous system.
Therefore, we can conclude that exocytosis is highly specialized in secretory cells and neurons, is highly regulated, and constitutes the main cellular mechanism for neurotransmitter secretion.
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The release of neurotransmitters from the presynaptic cell is an example of exocytosis.
What is exocytosis?Neurotransmitter is saved interior small sacs known as synaptic vesicles and is launched into the synaptic cleft of the synapse while a vesicle fuses with the cell membrane.
When a movement capability depolarizes the presynaptic plasma membrane, Ca2+-channels open, and Ca2+ flows into the nerve terminal to cause the exocytosis of synaptic vesicles, thereby freeing their neurotransmitters into the synaptic cleft.
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When using a high magnification lens, how can you bring the object you are viewing into sharper focus?Question 2 options:
adjusting the diaphragm
use the coarse adjustment knob
moving the stage clips
use the fine adjustment knob
Answer:
Use the fine adjustment knob
Which of the following types of organisms use ATGC bases in their DNA?
A)Bacteria
B)Plants
C)Animals
D)All of the above
Answer:
B) Plants is the answer correct me if I'm wrong
Where did the Vernon war take place?
Explanation:
nayarghat
ashok seven live in Chitwan
Answer:
battle of Vernon is in Florida correct me if I'm wrong
A farmer has a large field with one type of
crop. This area has high biodiversity.
Agree
Disagree
The ______ are a series of fibrous connective tissue membranes covering the central nervous system.
Answer:
meninges
Explanation:
What are the steps for DNA amplification process/experiment?
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Consider the cross aa bb cc dd ee x aa bb cc dd ee. If these 5 allele pairs all assort independently, then the probability that any individual offspring will have the genotype aa bb cc dd ee is 1 out of.
If the allele pairs assort independently, the probability that any individual offspring will have the genotype aabbccddee would be 100% or 1 out of 1.
Independent assortmentSince the alleles assort independently, the gametes from each genotype will all be abcde.
Crossing abcde and abcde:
abcde x abcde
aabbccddee
This means that all the progeny from the cross will be aabbccddee giving a 100% chance.
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Was the ancestor terrestrial, aquatic, or live on both land and in water?
Answer:
Starting about 375 million years ago, transitional “fishapods,” with both primitive, fish-like traits and adaptations for semi-aquatic living, begin to appear in the fossil record.
In a mass extinction, many species become extinct at the same time. scientists have concluded that a mass extinction killed the dinosaurs and other species, in part as a result of an asteroid striking the planet. what pattern in the fossil record supports this conclusion?
The pattern in the fossil record which supports the idea of a mass extinction event is the sharp decrease in biodiversity in rock layers.
What is a mass extinction event?A mass extinction event is one which in which a large number of species of organisms die off due to natural or artificial causes.
A mass extinction events is concluded to have killed the dinosaurs and other species, in part as a result of an asteroid striking the planet.
The evidence for this in fossils records is that the lower, older rock layers contains a great diversity of fossil life forms, while the younger layer immediately above is contains few organisms in comparison.
Therefore, the sharp decrease in biodiversity in rock layers provides evidence for a mass extinction event.
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Diabetes is a disease in which the blood glucose ..
level can get very high. What is not functioning
properly in a person with diabetes?
Answer:
The body isn't making insulin, or isn't making enough to control the amount of sugar in the body
Explanation:
During which phase of meiosis do the homologous chromosomes line up across from each other in the center of the cell?.
Answer:
metaphase I
Explanation:
In metaphase I, homologous chromosomes line up along the center of the cell in order to be pulled apart.
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Carbohydrates are less-efficient fuel sources than fats because the carbon in carbohydrates is more:
Answer:Because complex carbohydrates are larger molecules than simple carbohydrates
Explanation:
Because complex carbohydrates are larger molecules than simple carbohydrates, they must be broken down into simple carbohydrates before they can be absorbed. Thus, they tend to provide energy to the body more slowly than simple carbohydrates but still more quickly than protein or fat.
According to the Frank-Starling Law of the heart, as contraction strength increases the stroke volume ________. Group of answer choices decreases shows no change increases
We can confirm that this law tells us that both stroke volume and contraction strength increase at the same time.
What is the Frank-Starling Law of the heart?This law indicates the relationship between the volume of the ventricle, specifically the left ventricle, and the strength of its contractions. It follows the logical approach that if there is more volume in the ventricle, the cardiac muscles will have to stretch to allow for the space, which in turn causes a much stronger contraction when these muscles activate.
Therefore, we can confirm that this law tells us that both stroke volume and contraction strength increase at the same time.
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4. Mr. McDermott yelled at Ms. Carmain when he found out that she had
eaten all his chocolate chip cookies.
a. Reproduction
b. Response to stimuli
c. Growth and development
d. Obtaining resources for energy
Answer:
D I'm pretty sure
Explanation:
Did darwin first believe that each finch he found was a different species? was he right or wrong?.
Answer:
Wrong
Explanation:
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Identify the synthetic fibre which resembles wool.
A. Rayon
B. Terylene
C. Nylon
D. Acrylic
Answer:
Acrylic.
Explanation:
Acrylic is the synthetic fibre which resemble silk and wool. It is also known as artificial wool or synthetic wool.
Is yeast unicellular or multicellular organisms?
What happens to a species if an environment changes and there are no variation
among the population?
Answer:
The homes of the species would be ruined, and they might become extinct.
Explanation:
Pollution causes a lot of bad things to species to homes and them in general.
Dna is found coiled up into chromosomes within what cellular structure?.
Answer:
Your answer is the nucleus!
Explanation:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. DNA and histone proteins are packaged into structures called chromosomes.
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Which question about a soil sample can be answered using the sense of touch?(1 point) What color is the soil? What color is the soil? Is the soil grainy? Is the soil grainy? How quickly does water flow through the soil? How quickly does water flow through the soil? Does the soil smell good or bad? Does the soil smell good or bad?
The question that can be answered using the sense of touch is : ( B ) is the soil grainy
Sense of touch
The graininess of the soil can be felt by the touch of the hands because it is a physical attribute of the soil that can be seen and touched as well. the color of the soil and how quickly water flows through the soil can only be examined with the physical eyes but cannot be felt.
Hence we can conclude that the question that can be answered using the sense of touch is the soil grainy.
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how does fern get oxygen
Answer:
Ferns get oxygen through photosynthesis through their leaves.
Explanation:
Plants release oxygen during the day in the presence of natural light through the process of photosynthesis.
1. On what type of land does a primary succession first begin to occur?
Acid rain discolors and disfigures a limestone statue.
Which type of weathering is this?
A. mechanical
B. physical
C. biological
D. chemical
Acid rain discolors and disfigures a limestone statue.
Which type of weathering is this?
Options:-A. mechanical
B. physical
C. biological
D. chemical
Answer:- Option D. ChemicalExplanation:- When NO2 and SO3 in the air mixes with rain drops they form acids nitric acid and sulphuric acid respectivelywhen these acids fall in the form rain they are called acid rain Acid rain when fall on the limestone statues they crode away the minerals from them after reacting with them They change insoluble compounds into soluble which is a chemical reaction Weathering due to chemical reaction is called chemical weathering .