The absorption of fats differs from that of carbohydrates in that _____.
a. the processing of fats does not require any digestive enzymes, whereas the processing of carbohydrates does
b. most absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood
c. fat absorption primarily occurs in the stomach, whereas carbohydrates are absorbed from the small intestine
d. carbohydrates need to be emulsified before they can be digested, whereas fats do not
Ans: b. most absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood
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A student set up an experiment to test if plants give off water vapor. Fifty pea plants, growing in pots, were covered with individual glass containers and left overnight. The next morning, the inside of each lid was covered in droplets of water. The lab student concluded that plants generally give off water vapor. What critique would you make of the experimental design?
A. There was no control so the water could have come from other sources such as air in the jar or the soil. B. There was not a large enough sample of pea plants used to get adequate data. C. The student did not have a clearly stated hypothesis before beginning the experiment. D. The experiment was not precise, meaning it was not reproducible. Clarify Question 1. What is the key concept addressed by the question? 2. What type of thinking is required? 3. What key words does the question contain and what do they mean? Gather Content 1. What do you know about experimental design? How does it relate to the question? Consider Possibilities 1. What other information is related to the question? Which information is most useful? 2. What other information is related to the question? Which information is most useful? Choose Answer 1. Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process 1. 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?
A and B are linked genes. In a study of 100 offspring, 94 had parental genotypes for A and B, while 6 were recombinants. A and B are ________ map units apart.
A) 4 B) 6 C) 9.4 D) 94
Several types of untreated sexually transmitted diseases can lead to scarring in the oviducts of the female. This can potentially cause infertility if the scarring prevents the sperm from reaching the egg that has been released
What options might a woman in this situation have if she wanted to conceive?
The seminal vesicles, prostate gland, and bulbourethral glands produce materials that
A. activate sperm. B. make semen. C. provide nourishment for sperm. D. All of the above are correct.