Answer:
c. their shape, which relates to the lock-and-key model
Explanation:
The primary source of the specificity of enzymes is their shape, which relates to the lock-and-key model
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Answer: Humans can cause damage to the stability of ecosystems by removing the flowering trees and shrubs
Explanation:
we have the same test
Answer:
Please find the explanation below
Explanation:
Virus is an organism that has been a topic of debate in biological sciences. This debate is based on whether virus should be classified as a living thing or not. However, it has been shown that viruses possess characteristics or properties of both living and non-living things.
The living thing characteristics include;
- Ability to reproduce or replicate (in living cells only and not on their own).
The nonliving characteristics include;
- Lack of cells, which is a strong criterion for every living thing in accordance to the universal cell theory.
- Inability to self-replicate i.e. reproduce on their own without a living host.
The hormone produced by the placenta that stimulates the ovaries to continue producing estrogen and progesterone is called the follicle stimulating hormone. This hormone stimulates the ovarian follicle allowing the egg to grow thus producing continuous supply of estrogen and progesterone.
Answer:
E. bind to troponin which moves the tropomyosin
Explanation:
calcium ions bind to troponin, causing conformational changes in troponin that allow tropomyosin to move away from the myosin binding sites on actin. Once the tropomyosin is removed, a cross-bridge can form between actin and myosin, triggering contraction
