(A) There are _______ (number) unique amino acids. (B) Give examples of two categories that amino acids can be classified into based on their properties.

How many endospores can one vegetative bacterial cell form?

Who discovered that DNA is a helical structure through X-ray crystallography? (First and last name)

Nigrosine has a positive colored ion.

(A) Who was credited with developing (discovering) the first vaccine? (include first and last name)  (C) This vaccine was used to treat against which disease? 

How many endospores can one vegetative bacterial cell form?

Lying is a part of everyday life, therefore detection is an easy task.  

Semantic memory consists of just memory.

Identify features of apocrine glands.

Cardiac muscle and skeletal muscle both share which characteristics below: