When the body's blood glucose level rises above normal, what hormone is produced?
A. Glucagon
B. Epinephrine
C. Insulin
D. Prolactin
E. Norepinephrine
Answer: C
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The Rec8 protein holds sister chromatids together during meiosis. If an individual has a mutation that prevents degradation of Rec8, this would most likely prevent
A. normal segregation during meiosis I. B. normal segregation during meiosis II. C. synapsis of homologous chromosomes. D. crossing over during prophase I. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about meiosis? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is the cancer of epithelial cells?
A. sarcoma B. lymphoma C. leukemia D. carcinoma E. myoloma
As mature adults, male squid have a modified tentacle that carries their sperm. Sperm are
produced in testes and transferred to this modified appendage prior to mating. During courtship and mating, the male will insert this tentacle into a structure know as the mantle cavity of a female, where the eggs are waiting. Fertilization occurs within this body cavity. Which of the following is true about this scenario?
a. Internal fertilization occurs. b. External fertilization occurs. c. These animals have an amniotic egg. d. both (a) and (c)
The circulatory system of a bird is indicated by
a. A. b. B. c. C. d. both A and B. e. none of these.