The intensity of an electrical impulse is reflected in the ____ of action potentials

a. frequency
b. magnitude
c. duration
d. intensity
e. the frequency and duration


ANSWER: a

Biology & Microbiology

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The initial product of transcription is referred to as the ____ transcript

What's the answer for this one?

Biology & Microbiology

Every year the common flu vaccine is designed to protect against three different strains of the influenza virus. How is your body able to raise antibodies against so many new forms of the flu virus?

A. Each B cell can make antibodies against all antigens. B. The vaccine contains the antibodies against the strains of flu virus so your body does not need to make them. C. Viruses are destroyed by the passive immune system. D. Clonal deletion of B and T cells ends recognition of the virus. E. Recombination of the gene used to make antibodies leads to variability.

Biology & Microbiology

Rotation of the ________ subunit of ATP synthase causes conformational changes in the catalytic sites that produce ATP.

A) alpha B) beta C) gamma D) F0

Biology & Microbiology

Lyme disease is vectored by ticks.

Answer the following statement true (T) or false (F)

Biology & Microbiology