In the technique of artificial twinning,
a. two embryos are fused.
b. an embryo is teased apart.
c. two sperm are used to fertilize a single egg.
d. two eggs and two sperm are used to form
two embryos.
e. an embryo’s nucleus is removed and
replaced with an adult embryo
B
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If there are 32 sister chromatids in a normal somatic cell, how many chromosomes are there?
A. 8 B. 16 C. 32 D. 64 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 sister chromatids? 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?
Magnification
a. is the amount that an object's image is enlarged. b. is the extent to which detail in an image is preserved during the magnifying process. c. is the degree to which image details stand out against their background. d. focuses light rays emanating from an object to produce an image.
Of the following parts of the GI tract, the greatest amount of nutrient absorption takes place in the
a. stomach. b. small intestine. c. colon. d. pancreas. e. esophagus.
Although the epidermis lacks chloroplasts, it plays an essential role in photosynthesis. What features of the epidermis
contribute to the overall photosynthetic success of a plant? What will be an ideal response?