Enzymes that are continuously produced are said to have a(n) ________ expression
A) positive B) repressible C) inducible D) negative E) constitutive
Answer: E
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What phenomenon would violate the conditions for Hardy-Weinberg equilibrium?
A. The population is isolated from other populations. B. Females select males based on secondary sex traits. C. The population is large. D. No genotypes within the population have a reproductive advantage. E. Genetic drift within the population does not change allele frequencies.
What is the likely impact of this toxin on action potentials?
A. They will occur more frequently. B. They will be stronger and more unpredictable. C. Without ion gradients, action potentials are not possible. D. They will have longer refractory periods. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about sodium and potassium? What other information is related to the question? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
An action potential in a neuron begins when ____
a. a threshold potential is reached at the trigger zone b. the resting potential is established c. gated sodium channels close d. gated potassium channels close e. neurotransmitters are received by dendrites
Two genes located on the same chromosome are
A. homologous. B. homozygous. C. linked. D. autosomes.