The ends of eukaryotic chromosomes can be lengthened by:
a. apoptosis.
b. mismatch repair enzymes.
c. primase.
d. telomerase.
e. DNA polymerase.
d
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Answer the following statements true (T) or false (F)
1. Brassinosteroids produced by plants are closely related chemically to animal steroid hormones. 2. Auxins are able to move vertically; however, they are restricted in movement laterally. 3. One reason auxins are called the "master plant hormones" is because they mostly work apart from other hormones. 4. Plant pathogenic fungi are often able to attack plants because they have mechanisms for overcoming the plant's defense system.
Water can move inside a root via the ____
a. symplastic pathway only b. transmembrane and symplastic pathways c. transmembrane pathway only d. apoplastic, transmembrane, and symplastic pathways e. apoplastic pathway only
Why is high blood pressure damaging to the kidneys? What will be an ideal response?
Haptens
A) are extremely large molecules. B) cannot be immunogenic even when attached to a larger substance. C) can attach to substances such as host serum lipids. D) act when attached to a larger carrier to trigger immune responses.