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
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Vision in toothed whales is very strong
Indicate whether the statement is true or false
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
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
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?