Option D is the right answer .
This is because
-amino acids build up proteins
- two peptides make a dipeptide
- polypeptide is made up of long chain of peptides .
-peptide is a short chain of amino acid monomers linked by amide bond .
A possible answer to this question is <span><span>enterotube. </span>Enterotube is an
example of a fast multitest system used to identify unknown bacteria belonging to the family of Enterobacteriaceae. It consists of tubes with flat sides and contains 12 compartments for different biochemical tests.</span>
When an athlete eats more protein or amino acids than he or she needs, the extra amino acids are either used in building the muscle tissues or are used in energy expenditure.
Proteins are the macromolecules composed of amino acid as polymers. Protein is an essential food component because it helps in the synthesis and repair of body parts, it help in growth and development, and also provides fuel to the body.
Muscle tissues are the ones responsible for the movement of the complete body. The tissues are rich in blood supply. They are of three categories: skeletal, cardiac and smooth. Any movement in body is possible only because of the contractions and relaxations of muscles.
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Answer:
Which event is an example of a living thing responding to a stimulus?
Phototropism is an example of a living thing responding to a stimulus, plant grows in direction of light which reflects the response to the stimulus produces by light, as light direction changes plant also changes direction.
Explanation: