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stich3 [128]
3 years ago
12

Both plant and animal cells:

Biology
1 answer:
Salsk061 [2.6K]3 years ago
7 0
The answer should be b
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Which characteristic of a pine tree is an adaptation to the climate of the northwestern coniferous forests? . A. Deep roots B. C
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The correct answer is letter "B. Conical shape ." The characteristic of a pine tree is an adaptation to the climate of the northwestern coniferous forests is that it is in conical shape. If C were needle like leaves that would be the best answer.
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Why isn't the longest day of the year the hottest day of the year?
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Air that enters the pleural space during inspiration but is unable to exit during expiration creates a condition called
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Air that enters the pleural space during inspiration but is unable to exit during expiration creates a condition called Pneumothorax.

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4 0
10 months ago
Metabolic pathways can be controlled through the availability of enzymes and modulation of their catalytic activities. Enzyme av
postnew [5]

Answer: a) substrate and cofactors b) covalent modification

Explanation:

Metabolic pathways involve all the chemical processes takes place in the enviornment or in an organisms.The metabolic pathways are controlled through the catalytic activities of enzymes.

The availability of enzyme is regulated  by substrate and cofactors present in enzyme and enzyme activity is commonly regulated via covalent modification.

Enzymes are highly selective in nature and bind to a specific substarte only. The active site in enzyme binds with the substrate to form enzyme substrate complex. Coactors assist the enzyme activity, without cofactor enzyme can not perform its activity.

Hence enzyme availibility is regulated by  substrate and cofactors regulates.

Covalent modifications regulates activity of enzyme as it involves addition and removal of chemical group to synthesis required protein. It can change the chemical properties of the site by targeting one or multiple amino acid.

Thus the correct answer is a) substrate and cofactors b) covalent modification

8 0
3 years ago
In a reflecting telescope, which of the following first focuses and redirects the incoming light rays? Eyepiece lens
n200080 [17]
I think it’s the third answer
I hope that helped
6 0
3 years ago
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