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likoan [24]
2 years ago
13

The amount of energy that needs to be absorbed for a chemical reaction to start

Biology
1 answer:
sasho [114]2 years ago
6 0
Activation energy is what the type of energy is called
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Population
kkurt [141]

Answer:

b

Explanation:

i took this before and i know its b

8 0
3 years ago
Which is a difference between proteins and carbohydrates and fats? Proteins are macromolecules; carbohydrates and fats are not.
aleksley [76]
Excess carbs and fats are stored; excess proteins are not.

Excess calories are transformed as fat when in excess, which includes protein.
4 0
3 years ago
Read 2 more answers
What is cyclin dependent kinase?​
Bezzdna [24]

Answer:

please mark as brainliest answer as it will also give you 3 points

Explanation:

Cyclin-dependent kinases (CDKs) are the families of protein kinases first discovered for their role in regulating the cell cycle. They are also involved in regulating transcription, mRNA processing, and the differentiation of nerve cells.[1] They are present in all known eukaryotes, and their regulatory function in the cell cycle has been evolutionarily conserved. In fact, yeast cells can proliferate normally when their CDK gene has been replaced with the homologous human gene.[1][2] CDKs are relatively small proteins, with molecular weights ranging from 34 to 40 kDa, and contain little more than the kinase domain.[1] By definition, a CDK binds a regulatory protein called a cyclin. Without cyclin, CDK has little kinase activity; only the cyclin-CDK complex is an active kinase but its activity can be typically further modulated by phosphorylation and other binding proteins, like p27. CDKs phosphorylate their substrates on serines and threonines, so they are serine-threonine kinases.[1] The consensus sequence for the phosphorylation site in the amino acid sequence of a CDK substrate is [S/T*]PX[K/R], where S/T* is the phosphorylated serine or threonine, P is proline, X is any amino acid, K is lysine, and R is arginine.[1]

7 0
3 years ago
What chemical reaction creates the feeling of lust
serg [7]
Apparently it is caused by the sex hormones, testosterone, and oestrogen. there. that is the chemical reaction of lust.

3 0
3 years ago
Read 2 more answers
Sexual reproduction increases the genetic variation of a species because
Sergeeva-Olga [200]
The answer is C. Alleles form your genetic makup :)

please mark as brainliest! thank you!
7 0
2 years ago
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