Most hospitals in the United States routinely test all newborns for this autosomal recessive disorder
where an enzyme in amino acid metabolism is not produced, leading to a buildup of compounds that
damage brain tissue and can lead to mental retardation unless a restricted diet is followed.
a. Duchenne muscular dystrophy
b. phenylketonuria
c. achondroplasia
d. sickle-cell anemia
e. cystic fibrosis
B
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The polysaccharides agarose and carrageenan are isolated from red algae for commercial use. These polysaccharides are found in cell walls. What plant polysaccharide are they analogous to?
A. Amylose B. Collagen C. Cellulose D. elastin E. Mannose Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about agarose and carrageenan? How does this help you decide which statements are true? · What other information do you need to determine the answer? 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?
Habituation can best be described as a form of _____
a. fixed action b. learned behavior c. stereotyping d. instinctual response e. observational learning
Dr. Sidney is treating a client with Type A personality by teaching him behavioral strategies for changing at least one characteristic per week until all the Type A traits disappear.. Dr. Sidney is practicing _____.
A. unethically B. the target-behavior approach C. the shotgun approach D. short-term therapy
Which of the following accounts for the negative control of operons?
A. Promoters B. Repressors C. Structural genes D. Operators E. Deactivators