Answer:coal causes air pollution
Explanation:
The answer to the question being asked about the relation between amino acid and polypeptide is similar to the relation between monossacharide and carbohydrates. Amino acid is the repeating unit of polypeptide. For the carbohydrates, its repeating unit is a monossacharide.
The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain
Answer:
C
Explanation:
A. Since
B. Because
C. Although
D. For example
<em>Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'. </em>
<em>The correct option is C</em>
Answer:Behavior is determined partly by heredity and partly by experience
Explanation: