What would happen if a drug that acted to block all potassium channels were introduced to a neuron?

A) The neuron would hyperpolarize.
B) The neuron would depolarize.
C) The neuron would not be able to generate action potentials.


Answer: B

Biology & Microbiology

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Two gene loci, A and B, assort independently, and alleles A and B are dominant over alleles a and b. What is the probability of producing an AB gamete from an AaBb individual?

A. 1/4 B. 1/16 C. 1/2 D. 1 (100%) E. 9/16

Biology & Microbiology

In the female, the ________ secretes both estrogen and progesterone, and if fertilization does not occur, this structure degenerates

Fill in the blank(s) with correct word

Biology & Microbiology

Select the concepts emphasized by Ernst Mayr's biological species concept. Check all that apply.A) Hybridization between different speciesB) Production of fertile offspring within the speciesC) Populations in zoosD) Reproductive isolation from other species

What will be an ideal response?

Biology & Microbiology

Vision in toothed whales is very strong

Indicate whether the statement is true or false

Biology & Microbiology