Alternative forms of genes are called
a. homologues.
b. locus.
c. loci.
d. alleles.
d
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The following mRNA transcript would result in which polypeptide sequence?
5?-ACU UUC ACU AUG UUU UUA UCC UCC ACU CCU UGA-3? Use the following codons and the amino acids they encode. AUG = Start or Met; UUU, UUC = Phe; UUA, UUG = Leu; UCU, UCC = Ser; CCU, CCC = Pro; ACU, ACC = Thr; UGA = Stop. A. Thr-Phe-Thr B. Phe-Leu-Ser-Ser-Thr-Pro C. Met-Phe-Leu-Ser-Ser-Thr-Pro D. Thr-Phe-Thr-Phe-Leu-Ser-Ser-Thr-Pro E. Met-Phe-Leu-Ser-Ser
In humans, which hormone acts to raise the level of circulating blood glucose?
1.Aldosterone 2.Glucagon 3.Glycogen 4.Insulin
A set of DNA fragments unique to each person is a ____
a. DNA genome b. human genome c. DNA profile d. gene sequence e. DNA fragment
Why are endospores used to measure the effectiveness of autoclave sterilization?
A) Endospores are easy to store in the lab until needed. B) Endospores are very simple structures and easy to detect. C) Endospores are very hard to kill. D) Endospores are composed of all the molecules found in living cells. E) Endospores of different bacteria are destroyed at different temperatures and can be used to calibrate autoclave temperatures.