The specialized __________ in the intercalated disks allow cytoplasm to flow freely between adjacent cells.
A. valves
B. hemidesmosomes
C. desmosomes
D. gap junctions
E. tight junctions
Ans: D. gap junctions
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If a national park is located at twenty inches above sea level, when approximately will it be
fully submerged?
a. in 100 years b. in 200 years c. in 300 years d. in 400 years
Antiparallel means that
A) the two polynucleotide chains run in opposite directions. B) each DNA molecule consists of one old and one new strand. C) opposite strands are held together by base pairing. D) the helix twists to the right. E) there is complementary base-pairing.
Which type of ecosystem has low primary production but nonetheless contributes a large proportion of Earth's total net primary production?
A) tropical rain forest B) coral reef C) open ocean D) desert
Figure 4.2 represents a (dichotomous/classification/taxonomic) key of the type used to identify a microbe.
Fill in the blank(s) with the appropriate word(s).