Why might some women bodybuilders who are taking illegal steroids (testosterone-like compounds) be in greater danger of going bald than other women?
What will be an ideal response?
Pattern baldness is sex-influenced, meaning that the presence of testosterone influences the expression of the trait.
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Genes on different chromosomes ___________________ during meiosis. Genes that are very close together on the same chromosome are _________
A. do not assort independently; linked B. assort independently; linked C. do not assort independently; unrelated D. assort independently; unrelated
Which of the following is an example of cooperativity?
A) the binding of an end product of a metabolic pathway to the first enzyme that acts in the pathway B) one enzyme in a metabolic pathway passing its product to act as a substrate for the next enzyme in the pathway C) a molecule binding at one unit of a tetramer, allowing faster binding at each of the other three D) binding of an ATP molecule along with one of the substrate molecules in an active site
Which of the following is not a way in which humans depart from apes?
A. S-shaped spine B. walking on two legs C. spinal cord exits at the bottom of the skull D. None of the choices are correct.
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Figure 36.6
Use the figure above to answer the following question.
The anatomical structure identified with the letter "D" in the accompanying figure is the ____.
A. myocardium B. pulmonary veins C. inferior vena cava D. right atrium E. heart apex