What is the sugar found in an RNA nucleotide?
A) deoxyribose B) thymine C) ribose D) uracil E) glucose
Answer: C
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The first hormone to be made by recombinant bacteria was ____
A. Insulin B. Glucagon C. Somatostatin D. Testosterone
Obesity rates have been steadily rising since 1985. Discuss how this rising obesity rate may require an increase in the availability of health care services over the next decades
What will be an ideal response?
The placental blood vessels
A) manufacture hormones that slow the growth of the embryo, preventing it from outgrowing the uterus. B) allow for the exchange of wastes and nutrients but keep the maternal and fetal circulations separate. C) draw oxygen from the fetal blood and pass it to the mother. D) mix maternal blood and fetal blood. E) prevent all microbes and toxins from crossing from mother to child.
Which is a transgenic organism?
A) a fern grown from a single fern root cell B) a rat that has had rabbit hemoglobin genes added to its genome C) a cow that has been fed pig growth hormone in its food D) a human given a corrected human blood-clotting gene