Of the 21 amino acids that are the building blocks for proteins, how many must come from the foods you eat? O 10
06
O 11
09

There are nine essential amino acids, which you must get through your diet: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine. They're vital for functions such as protein synthesis, tissue repair and nutrient absorption. Therefore, answer is D.

Explanation:

Brainliest please?

There are 10 essential amino acids that the body can't synthesize.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .