What is present in arterioles that is NOT present in capillaries?
A) white blood cells and platelets
B) carbon dioxide
C) a lining of endothelial cells
D) circular smooth muscle cells
Answer: D
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The net outcome of predator-prey interactions in the basic Lotka-Volterra models is that
A) the predator drives its prey to extinction and then goes extinct itself. B) the prey population declines and this causes the predator population to also decline. C) predator and prey populations eventually converge on equilibrium population sizes that are maintained into infinity. D) predator and prey populations oscillate, with each predictably increasing and decreasing in response to the other.
Which one of the following is NOT directly involved in the production of a typical spinal reflex?
A) brain B) sensory neuron C) motor neuron D) interneuron E) stimulus
In which of the following processes do the chromosome and its homologous partner exchange corresponding pieces of DNA?
A. Crossing over B. Gametes C. Alleles D. Haploid E. Germ cell
Nucleolus of the nucleus is the site of?
What will be an ideal response?