In what way are all amino acids similar?

a. They all have an amino group.
b. They all have a carboxyl group.
c. They all have a distinctive side chain.
d. All of the above.


d

Biology & Microbiology

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Organisms that can manufacture their own chemical energy are called ____________. 

A. autotrophs B. heterotrophs C. oligotrophs D. chemotrophs

Biology & Microbiology

Which of the following chemicals has the LEAST influence on the regulation of breathing rate?

a. O2. b. CO2. c. H+. d. N2. e. CO.

Biology & Microbiology

Explain why individuals with cystic fibrosis have different levels of severity of the disease. What will be an ideal response?

Biology & Microbiology

How do microbiologists identify microorganisms?

A) macroscopic appearance B) microscopic morphology C) biochemical reactions D) all of the above

Biology & Microbiology