Answer:
B
Explanation:
Photosynthesis and cellular respiration form direct ______ reactions.
Answer:
photosynthesis and cellular respiration form direct opposite reactions
Photosynthesis and cellular respiration form direct opposite reactions.Photosynthesis is the anabolic process and cellular respiration is the catabolic one.
What is the place for photosynthesis ?It takes place in the leaves where the chloroplasts have the cells that are undergoing the reactions where the food is synthesized.
Photosynthesis is the process by which plants prepare their food and it takes place in the presence of sunlight with the help of water and with the help of carbon dioxide it forms photosynthesis process where the reaction takes place.
Cellular respiration is the chain of reactions that are taking place in the cells where the reactions are taking place in the mitochondria and the chloroplasts and the reactions that are corresponding with each other.
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Which of the following statements is true?
Humans are at the top of the evolutionary ladder because we have the largest brains.
Humans are more complicated than crickets, so they are better organisms.
Any type of change in the shape or behavior of an organism is considered an evolution.
Macroevolutionists cannot make direct observations because most of the organisms are dead or extinct.
Answer:
Macroevolutionists cannot make direct observations because most of the organisms are dead or extinct.
Explanation:
INEED Help thx :p with 5
What is the name of the process that plant cells use chloroplast to create their own food?. Single choice.
please look at this picture and help me out!
Answer:
D
Explanation:
when an earthquake occurs, data from one seismograph can tell you ____ .
Answer choices :
a) exactly where the epicenter is
b) how far away the epicenter is
c) in what direction the epicenter is
Answer:
How far away the epicenter is, C.
Explanation:
Seismographs record earthquake strength too.
Which provide evidence for the general theory of relativity? Check all that apply
gravitational lensing
the constancy of the speed of light
the curvature of space-time
changes in Mercury's orbital path
O gravitational redshift
Answer:
Gravitational redshift
Explanation:
Gravitational redshift, changes in a planet's orbital path, gravitational lensing provides concrete evidence for the general theory of relativity. Hope this is helpful and the answer you were looking for!
Answer:
1 4 5
Explanation:
Which of the following is a molecule?
A. Argon
B. Water
C. Nitrogen
D. Uranium
Answer:
Argon- a chemical element
Water- polar molecule
Nitrogen- chemical compound
Uranium- chemical element
Hope this helps! :)
Please give brainliest
:)
Explanation:
In conclusion B. water is a molecule
Fingerprints that are NOT readily visible are called
Sponges, members of the phylum Porifera, are sessile filter feeders that lack tissues or organs. Instead, specialized cells have unique functions like ingesting food, support, and reproduction. Such specialization within a sponge body is a result of
A) cytokinesis.
B) cell cleavage.
C) cell differentiation.
D) gamete fertilization
Answer:
C) cell differentiation.
Explanation:
Cell differentiation is a process undergone by a cell in which it changes to a specialized form. During the process of cell differentiation, some genes in a single cell becomes turned off or on in a process called GENE EXPRESSION to give rise to cells with specialized functions.
This is the case of this sponge whose specialized cells perform unique functions like ingesting food, support, and reproduction. The specialization of the cells within the sponge is as a result of the process of CELL DIFFERENTIATION.
Both the tropical rainforest in the tropical savanna experience or contain what
39. Europa is one of Jupiter's moons. Its surface is covered with frozen water. It is far from the sun and has only a very thin atmosphere, so its surface is considered to be too cold to support life. Beneath the ice, however, there are probably liquid oceans rich in oxygen, kept warm by heat that escapes from Europa's core.
Answer:
True
Explanation:
The description is accurate.
Vertebrate animals are organisms that have a spinal column and use bones to support their weight. Scientists consider bones to be an organ of the skeletal system. What organ of a plant is most similar to a bone in animals.
A. Stem
B. Root system
C. Cell wall
D. Phloem
Answer: The stem, the stem keeps the plant stable. Much like our skeletal system.
The stem cells of the organ of a plant is most similar to a bone in animals. Hence option A is correct.
What is vertebrate?Vertebrate is defined as any terrestrial animal, which is the most prevalent subphylum of the phylum Chordata. Vertebrate animals are those that have a backbone. There are many vertebrates on the planet today, and they are divided into 7 classes according to their physiological and anatomical characteristics.
Stem cells are defined as unique human cells that can differentiate into a wide range of cell types, from brain cells to muscle cells. Stem cells can differentiate in the body into a wide range of various cell types. They act as the body's system for repairs. Adult stem cells and embryonic stem cells are the two primary categories of stem cells.
Thus, the stem cells of the organ of a plant is most similar to a bone in animals. Hence option A is correct.
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PLEASEEE HELPPP! IT WOULD MEAN ALOT!
Answer:
umm i would help but i dont know what this is i'll try
Explanation:
avradge star:white dwarf, nutron star
massive star:super nova, planitary nubla
A rabbit eats some grass. A fox eats that rabbit. A wolf comes along and eats the fox. What is this an example of:
decomposers
food chain
abiotic factor
fossil record
9. Which organelles found in plant and animal cells are also found in bacterial cells
O chloroplasts
O ribosomes
O endoplasmic reticulum
O Golgi bodies
Answer:
ribosomes
Explanation:
hope it helps!
Yo yo yo I need help with this question can someone smart answer this and the picture of the question is located above. Thank you:)
Excess Post Exercise Oxygen Consumption (EPOC) occurs, most often as a result of
a. High intensity interval training (HIIT)
b. Low intensity endurance training
C. Short term, moderate intensity strength training
d. ALL of the above
Next Previous
Answer: all of these exercise modes, but less likely with low intensity endurance training.
Explanation: exercise increases respiration requirement and therefore oxygen requirement. Energy stores (glycogen) are used first but with then the body needs to maintain energy production at an increased level. There is a limit to how quickly energy can be supplied from respiration and additional energy is generated anaerobically with the by product being lactic acid. An ‘oxygen debt’ is incurred because normal homeostasis requires the metabolism of lactic acid and energy for repair of any cellular damage, requiring oxygen consumption above what is required for normal resting metabolism. It is possible in elite athletes that during low intensity training they may be able to operate aerobically for an extended period.
2 genetic disorders ASAP
Answer: Down syndrome and cystic fibrosis
Answer:
downsyndrome
cystic fibrosis
Explanation:
List 2 natural hazards
due to Earth's internal
convection.
Which process or occurrence removes carbon from the atmosphere.
Animals
Forrest fires
Oceans
Decomposition
Interneuronal communication occurs via _______________ messengers that are released from the presynaptic neuron. These are called _____________ and they act by binding to receptors on the postsynaptic neuron. This binding opens ____________ channels, which can either hyperpolarize or depolarize the postsynaptic neuron membrane. This action is kept relatively short by either the decomposition or the ______________ of neurotransmitters from the synaptic cleft.
Answer:
Interneuronal communication occurs via chemical messengers that are released from the presynaptic neuron. These are called neurotransmitters and they act by binding to receptors on the postsynaptic neuron. This binding opens Ion channels, which can either hyperpolarize or depolarize the postsynaptic neuron membrane. This action is kept relatively short by either the decomposition or the reuptake of neurotransmitters from the synaptic cleft.
Explanation:
Neurons are communicated to each other by a process known as synapsis. Synapsis occurs when the presynaptic neuron sends a message to the postsynaptic neuron. Vesicles from the presynaptic membranes are sent carrying the chemical messenger in their interior. This messenger is called a neurotransmitter and is released by exocytose to the synaptic space. Then the neurotransmitter goes forward to the postsynaptic membrane. When it reaches this last membrane, the neurotransmitter binds its receptor triggering an answer and opening ion channels. This binding produces depolarization of the cell called excitatory postsynaptic potential. If the signal molecule keeps being in the synaptic space, it keeps linking to its receptor and causing a postsynaptic answer. To stop this process, the neurotransmitter must be taken out from the synaptic space by enzymatic degradation/deactivation or Reuptake. There are receptors located in the presynaptic membrane that can capture de molecule to store it back in new vesicles, for posterior use.
How are land plants adapted to survive on land? What are the benefits of living on land rather than in water?
Answer:
Sample Response: Plants that are able to survive on land developed specialized vascular tissue such as xylem and phloem. This vascular tissue aids in the transport of water and other resources needed by the plant. Land plants also developed a cuticle, or waxy layer, to prevent water loss and seeds to protect young plants. The benefits of living on land are greater access to sunlight and less competition with other plants for resources.
Explanation:
When practicing deep breathing, it is best to repeat the steps for minutes to start and then increase the time as needed.
Answer:
10- 15
Explanation:
When practicing deep breathing, it is best to repeat the steps for minutes to start and then increase the time as 10 to 15 minutes.
What is deep breathing?
Deep breathing is also called diaphragmatic breathing, abdominal breathing, abdominal breathing, and step breathing. As you take a deep breath, the air entering through your nose fills your lungs completely and lifts your lower abdomen.
Deep breathing seems unnatural to many of us. There are multiple reasons for this. For one thing, body image in our culture negatively affects breathing. Women (and men) tend to pull their abs together because flat bellies are considered attractive. This impedes deep breathing and gradually causes shallow "chest breathing" to appear normal, increasing tension and anxiety.
Shallow breathing limits the range of motion of the diaphragm. The lowest part of the lungs does not get enough oxygenated air. This can make you feel short of breath and anxious.
Deep abdominal breathing promotes complete oxygen exchange. That is, the beneficial exchange of incoming oxygen for outgoing carbon dioxide. Not surprisingly, it can slow the heart rate and lower or stabilize blood pressure.
Therefore, When practicing deep breathing, it is best to repeat the steps for minutes to start and then increase the time as 10 to 15 minutes.
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Imagine an animal cell lost half of its mitochondria. Explain how the cell would be different.
YOU WILL GET 100 POINTS.
Answer:
Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration. ...
Explanation:
Mitochondria are rod-shaped organelles that can be considered the power generators of the cell, converting oxygen and nutrients into adenosine triphosphate (ATP). ATP is the chemical energy "currency" of the cell that powers the cell's metabolic activities. This process is called aerobic respiration and is the reason animals breathe oxygen. Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration. In fact, mitochondria enable cells to produce 15 times more ATP than they could otherwise, and complex animals, like humans, need large amounts of energy in order to survive.
mitochondrion is different from most other organelles because it has its own circular DNA (similar to the DNA of prokaryotes) and reproduces independently of the cell in which it is found; an apparent case of endosymbiosis. Scientists hypothesize that millions of years ago small, free-living prokaryotes were engulfed, but not consumed, by larger prokaryotes, perhaps because they were able to resist the digestive enzymes of the host organism. The two organisms developed a symbiotic relationship over time, the larger organism providing the smaller with ample nutrients and the smaller organism providing ATP molecules to the larger one. Eventually, according to this view, the larger organism developed into the eukaryotic cell and the smaller organism into the mitochondrion.
in most animal species, mitochondria appear to be primarily inherited through the maternal lineage, though some recent evidence suggests that in rare instances mitochondria may also be inherited via a paternal route. Typically, a sperm carries mitochondria in its tail as an energy source for its long journey to the egg. When the sperm attaches to the egg during fertilization, the tail falls off. Consequently, the only mitochondria the new organism usually gets are from the egg its mother provided. Therefore, unlike nuclear DNA, mitochondrial DNA doesn't get shuffled every generation, so it is presumed to change at a slower rate, which is useful for the study of human evolution. Mitochondrial DNA is also used in forensic science as a tool for identifying corpses or body parts, and has been implicated in a number of genetic diseases, such as Alzheimer's disease and diabetes.
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have a grest day!!:))
Which organ is found in the digestive system?
heart
lungs
stomach
kidneys
Answer:
Stomach
Explanation:
Answer:
stomach. :)
Explanation:
trust me this is the right anwser the one up is right and i also toke the quiz. :)
Which organ is responsible for storing urine?
kidney
large intestine
anus
bladder
Answer:
bladder
Explanation:
it stores urine
Mike has a problem with his testosterone. He is unable to produce enough.
Which will most likely be affected by his inability to produce testosterone? Select two options.
urine production
sperm production
producing fluid to help sperm move
appearance of secondary sex characteristics
egg production
egg movement to the uterus
Answer:
B and D
Explanation:
Answer:
b,d
Explanation:
Each of the following about cells and the cell cycle is true except
A. Cells divide more often during growth
B. The cell cycle is regulated by both internal and external factors
C. Cells divide only when touching other cells
D. Different cells divide at different rates
Answer:
i think iam not sure it is C
_____ increases the frequency of adaptive mutations in a population over time a. Fitness b. Natural selection c. Artificial selection d. Adaptive radiation
Answer:
B
Explanation:
Natural selection increases the frequency of adaptive mutations in a population over time.