If a parent cell has 16 chromosomes, how many
sister chromatids will be present after duplication
of the chromosomes?
a. 64
b. 32
c. 16
d. 8
e. 4
Answer: b
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Crista junctions
A) are large pores. B) are associated with the movement of materials from the cytosol into the mitochondrion. C) contain the mitochondrial DNA. D) are associated with the thylakoid membrane system. E) limit the movement of products between the intracristae and intermembrane spaces.
DNA polymerase assembles new strands in a ____
a. 5' to 3' direction only b. 5' to 3' direction building one strand and a 3' to 5' direction building the other stand c. 5' to 3' direction building the first half of a strand and a 3' to 5' direction building the second half of a strand d. 3' to 5' direction building the first half of a strand and a 5' to 3' direction building the second half of a strand e. 3' to 5' direction on the "old" 3' to 5' strand
Traits which by logic should show less genetic variation because of their close association with reproduction fall into which category?
A) life-history traits B) behavioral traits C) physiological traits D) morphological traits
Halophiles grow equally well in the presence or absence of high salt concentrations.
Answer the following statement true (T) or false (F)