The Hardy-Weinberg principle states that allele frequencies remain constant from generation to generation.
a. true
b. false
a. true
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Secondary treatment may be aerobic or anoxic
Indicate whether the statement is true or false.
A researcher determines that her favorite plant has a symbiotic relationship with fungi. Upon closer examination, she notices that fungal cells form a sheet enclosing the root epidermis, but no arbuscules are present
Of what type of relationship is this an example? Select all correct choices. A. endomycorrhizae B. ectomycorrhizae C. mycorrhizae D. antagohizae
Which of the following would be true if a toxin that blocks voltage-gated Ca2+ channels was applied to a neuron?
A. No resting membrane potential would be observed (i.e., measures at 0 mV). B. A rapid increase in membrane potential at threshold voltage would not occur. C. Membrane potential would increase rapidly to peak with an action potential, but would not decrease immediately afterwards. D. The neuron would become hyperpolarized. E. Neuron conducts action potentials normally, but would not transmit these potentials across chemical synapses.
Asexual reproduction is indicated by letter
a. A. b. B. c. C. d. D. e. E.