Cytoplasmic enzymes are most likely to be disrupted by ______.
A. UV light
B. high temperatures
C. detergents
D. low temperatures
Ans: B. high temperatures
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Which of the following is the most likely explanation for the band pattern seen in lane 6?
A. Protein D is a restriction enzyme and cut the DNA fragment into two DNA fragments. B. Protein D binding to the CRP-binding site is less tight compared to cAMP-CRP binding. C. Protein D has a smaller mass than the cAMP-CRP protein. D. Protein D removed radioactive label from the DNA fragment.
Which of these is the largest portion of the human brain, receives sensory input, and regulates voluntary motor output?
A. cerebellum B. thalamus C. diencephalon D. cerebrum
Assume brown eyes is completely dominant to blue eyes and this trait is controlled by a single gene. If
400 people in a population of 10,000 have blue eyes, how many people would be expected to be heterozygous for this trait? (Hint: use the Hardy-Weinberg formula) A. 800 B. 540 C. 320 D. 960 E. It is not possible to determine with the information provided.
If a pedigree of several generations shows only females affected by a particular trait, it cannot be a(n) ____ trait
a. autosomal recessive
b. autosomal dominant
c. Y-linked
d. X-linked recessive
e. X-linked dominant