Cell wall is seen in both plants and animal cells
a. true
b. false
Ans: b. false
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Which structure holds two homologous chromosomes together?
A. centromere B. kinetochore C. polar microtubules D. spindle apparatus E. synaptonemal complex
About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90
milligrams per 100 milliliters of blood, though it may rise to 130 mg/100 ml after meals high in carbohydrates. That the blood sugar level is maintained within a fairly narrow range despite uneven intake of sugar is due to the body's ability to carry out a. adaptation. b. inheritance. c. metabolism. d. homeostasis. e. hemostastis.
He function of the structure labeled 6 in Figure 41-1 is:
T
a. insulation.
b. neurotransmitter release.
c. binding neurotransmitters.
d. conduction of an electrical signal.
e. acting as a ligand-gated channel.
All of the following can be determined by microscopic analysis of hair except _________.
Fill in the blank(s) with the appropriate word(s).