Both DNA and RNA are made up of building blocks known as

A. genes.
B. codons.
C. amino acids.
D. nucleic acids.
E. nucleotides.


Answer: E

Biology & Microbiology

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Water behind a dam has a certain amount of stored energy that can be released as the water falls over the top of the dam. It may be enough energy to turn a mill wheel or an electricity-generating turbine. Choose the term that best describes the type of energy stored in the water at the top of the dam.

A. Kinetic B. Potential C. Chemical D. Radiant

Biology & Microbiology

The largest algae are included in which of the

following groups? a. brown algae b. red algae c. green algae d. chrysophytes e. seed plants

Biology & Microbiology

A patient was admitted to the emergency department suffering from severe diarrhea that had lasted a couple of days. There had already been significant weight loss. On examination, his stool was very watery with white bits of mucus and little odor. What pathogen is likely causing this condition, and how does it cause disease?

What will be an ideal response?

Biology & Microbiology

Saltwater fish lose water by osmosis.

a. true b. false

Biology & Microbiology