Cell wall is seen in both plants and animal cells

a. true
b. false


Ans: b. false

Biology & Microbiology

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Which structure holds two homologous chromosomes together?  

A.  centromere B.  kinetochore C.  polar microtubules D.  spindle apparatus E.  synaptonemal complex

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

All of the following can be determined by microscopic analysis of hair except _________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology