Intermediate filaments:
A. have a diameter that is larger than a
microfilament, but smaller than a microtubule.
B. play an important role in maintaining cell
shape.
C. plan an important role in preventing skin
from tearing by shear stress.
D. undergo little change in length in
comparison to microtubules and
microfilaments.
E. All of these choices are correct.
E
You might also like to view...
High concentrations of salt and sugar in foods
A. are useful in preserving the food. B. tend to draw water out of a cell. C. tend to force water into a cell, causing plasmolysis. D. have no effect on water availability. E. are useful in preserving the food AND tend to draw water out of a cell.
Viroids ____
a. are more complex than viruses b. have large DNA genomes c. encode their own polymerase for nucleic acid replication d. cause diseases in plants e. infect animal cells
A diploid cell with three pairs of chromosomes has the genotype Aa Bb Cc, where each gene is on a different chromosome. If this cell were to undergo meiotic division, how many genetically different types of gametes could be produced?
A) 1 B) 3 C) 6 D) 8 E) 9
Disruptive selection operates whenever:
A) the extremes in a distribution of phenotypes are more fit than the average. B) a phenotype is more successful because it is rare. C) natural selection is disrupted by genetic drift. D) only the largest individuals survive.