<h2>a) is the correct option </h2>
Explanation:
The extracellular domain of the transmembrane receptor protein acts as binding site for primary messenger molecule whereas the transmembrane domain holds the receptor within membrane and the cytosolic domain has intrinsic tyrosine kinase activity, all these helps in proper cell signaling
If because of any mutation there is change in shape of the extracellular domain then that molecule that normally binds to the receptor protein will no longer attach hence cellular response will be deactivated
It is "B. Cleaning a countertop with a sponge and
<span> rinsing it out to reuse" that represents and example of conservation. Re-using items is better than throwing them away if possible. </span>
Hi There!
Which of the following is not a physical change?Dissolving salt in water
Baking a cake
Melting wax
Freezing water
<span>Therefor the answer is Baking a cake! :)</span>
Answer: B. Natural selection occurs when a favorable phenotype allows for differential reproductive success in a population of organisms.
Explanation: Good luck! :D
