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wolverine [178]
3 years ago
13

Determine whether each of the following statements refers to glycolysis, the Kreb’s cycle, or the electron transport chain:

Biology
1 answer:
masya89 [10]3 years ago
3 0

Answer:

A. glycolysis (it's an anaerobic process)

B. the Kreb's cycle (glycolysis occurs in the cytosol, et chain in the inner mitochondrial membrane)

C. glycolysis

D. et chain

E. et chain

F. Kreb's cycle

G. Kreb's cycle

H. et chain (when oxygen at the end of the chain combines with electrons/hydrogen ions)

Hope ya found this helpful! :)

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kow [346]

I’m pretty sure the answer is A or c

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Considering the impacts and benefits of bioprospecting, which of the following describes the most likely impact?
Furkat [3]

Bioprospecting is the search for plant and animal species from which medicinal drugs and other commercially valuable compounds can be obtained.

Based on this I think it could be B.

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3 0
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3. a) What are three ways for materials to move in and out of cells? (6 points)
zalisa [80]
Answer: Diffusion, Osmosis and Active Transport
Explanation:
The processes of transport between the cell and the external environment can be grouped into groups: Passive Processes - occur through the plasma membrane, without energy expenditure to the cell, to equalize cell concentration with the external medium. Examples of such processes are diffusion, facilitated diffusion and osmosis. Active processes - occur through the plasma membrane, with energy expenditure, maintaining the concentration difference between the cell and the external environment. For example, sodium-potassium pump. Diffusion In diffusion, particles move from the highest concentration medium to the lowest concentration medium, so that it can be distributed throughout the medium. Therefore diffusion is a process called passive transport. Facilitated Diffusion is the passive transport of substances across the plasma membrane, without wasting cell metabolic energy, allowing the passage of substrates (molecules or ions) from a more concentrated to a less concentrated medium through specific mediation of carrier proteins, enzymes carriers or permeases along the plasma membrane. This process is mainly used to transport carbohydrates, amino acids, vitamins and some ions: sodium, potassium, calcium. Osmosis is the name given to the movement of water between media with different concentrations of solutes separated by a semipermeable membrane. It is an important physicochemical process in cell survival.
The sodium-potassium pump is an example of active transport. Sodium concentration is higher in the extracellular environment while potassium is higher in the intracellular environment. Importantly, the energy required for this change comes from the breakdown of the ATP (adenosine triphosphate) molecule into ADP (adenosine diphosphate) and phosphate. The sodium (Na +) ion in the cytoplasm is pumped out of the cell. In the extracellular medium, the potassium ion (K +) is pumped into the internal medium. If there was no efficient active transport, the concentration of these ions would equal. Thus, the sodium and potassium pump is important as it establishes the difference in electrical charge between the two sides of the membrane that is critical for muscle and nerve cells and facilitates the penetration of amino acids and sugars.
5 0
3 years ago
If there is a high death rate and large amount of _______,<br> populations will likely decrease
lidiya [134]

Answer:

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Explanation:

7 0
3 years ago
Forensic pathologists and anthropologists are usually able to identify the exact moment in time that death occurs.
Luba_88 [7]
False this could only happen if the pathologist or anthropologist was there at the time of death
8 0
3 years ago
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