Examine the digestive system structures in the figure above. Most of the digestion of fats occurs in structure(s) _____
A) 3 only
B) 4 only
C) 1 and 4
D) 3 and 4
E) 1, 3, and 4
Answer: B
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You find a wormlike animal while scuba diving and want to determine whether it is a nudibranch, a polychaete, or a flatworm. Finding which of the following traits would best help you classify the mystery animal?
A) bristle-like structures on tiny appendages B) a coelom C) the ability to swim D) bright coloration E) sexual reproduction
For this problem, you may want to create a Punnett Square on a separate piece of paper. Manuel has both cystic
fibrosis, a recessive disorder, and sickle cell anemia which is also a recessive disorder. Manuel’s partner, Lucretia, is normal for both conditions. What is the probability that Manuel and Lucretia will have a normal child without either of the conditions Manuel has?
a. 0% b. 25% c. 75% d. 100% e. It is not possible to solve this problem with the information provided.
Which of the following bacteria are the most prevalent in the human gut?
A. cyanbacteria B. staphylococci C. Borrelia D. Bactericides
Respond to the following statements with reference to the five vitamins listed below.
A. This vitamin functions in carbohydrate metabolism. B. A deficiency of this vitamin causes Beri beri. C. D. This vitamin is a component of the coenzyme NAD. E. This vitamin is a coenzyme involved in protein metabolism and immune function. F. A deficiency of this vitamin causes anemia and neurological disorders and is a coenzyme important in amino acid synthesis.