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Vadim26 [7]
3 years ago
9

FREE POINTS 3!!

Biology
2 answers:
maks197457 [2]3 years ago
5 0

Answer:

thanks

Explanation:

these are people we want on earth

stealth61 [152]3 years ago
5 0

Answer:

27360

Explanation:

(thanksssss)

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More than one million years ago, a single species of finch migrated to the Galapagos from the mainland of Central or South Ameri
nirvana33 [79]

Answer:

Specialist

Explanation:

We could also refer to these finches as specialists. They are niche-specific; that is, they survive under narrow, unique circumstances. I got it wrong when i did it on usatestprep, Specialist was right.

3 0
4 years ago
Mono" means one, "di" means two, "Poly" means many. Why are these terms used in describing the three types of sugars?
Kobotan [32]

Answer:

Mono: Monosaccharide sugars

Di: Disaccharide sugars

Poly: Polysaccharide sugars

The reason for adding the prefixes Mono,Do and Poly Infront of the three types of sugars is to show how many sugars are in each molecule right off the bat.

Hope this helps :)

8 0
3 years ago
PKU can result from defects in phenylalanine hydroxylase (PAH), an enzyme that converts phenylalanine into amino acid tyrosine.
Inessa05 [86]

Answer:

Low phenylalanine concentration:

  • If the enzyme is inactive, PAH will look like its inactive form, with phenylalanine located in the allosteric site / inactive site so that PAH is a different shape. This will not allow as much phenylalanine to be converted into tyrosine, as we wait for Phe levels to increase.

High phenylalanine concentration:

  • If the enzyme is active, PAH will look like its regular form, with an open active site that's the size of phenylalanine so that reactions can occur. (Like a hand fitting into a glove, or a lock into a key.) Phenylalanine will be the substrate, the thing acted upon by the enzyme. This will eventually raise the amount of tyrosine that's created and lower the concentration of phenylalanine.

Think about it like this. Ever heard of homeostasis? That's how the body likes to be the same, keep everything regulated, all the time. So if there are high levels of something, the body is going to try to keep that something down, and if there are low levels, it's going to try to increase the concentration of that thing.

3 0
3 years ago
Catabolic processes involve degradation of complex molecules into simpler molecules with the net release of chemical energy. cat
andreev551 [17]

<span>The correct answer is: True.</span>

 

Catabolism together with anabolism is a part of metabolism. It is the set of metabolic pathways in which the molecules are broken down into smaller units and the energy is released. Released energy of catabolism (in a form of ATP) is used for the maintenance and growth of cells. Examples of catabolic processes are glycolysis, the citric acid cycle or degradation of macromolecules: proteins into amino acids, lipids into free fatty acids...

4 0
3 years ago
During the Griffiths experiment, dead rats were examined. He discovered S bacteria even though rats were injected with R bacteri
gavmur [86]
Answer : C


Explanation:
4 0
4 years ago
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