People who have a single X chromosome are female, while those with XXY sex chromosomes are males. In order to be a female, a human
a female, a human
a)must have two X chromosomes.
b)cannot have a Y chromosome.
c)must have only one X chromosome.
d)must have only one Y chromosome.
e)cannot have an X chromosome.
b)cannot have a Y chromosome.
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Competition can occur for which of the following?
A. Food. B. Space. C. Mating. D. All of these answers are true.
What is the smallest number of ultracentrifugation steps needed to separate nuclei from ribosomes in a cellular lysate?
a. Two b. One c. Four d. Seven
Which of the following classification categories for humans is not correct?
What will be an ideal response?
Butter, which is made from milk fat, tends to be harder at room temperature than most margarines. If you wanted to make a butter that is softer at room temperature, you should consider:
A) adding more than three fatty acid chains to the triglycerides. B) saturating the fatty acid chains. C) making the fatty acid chains longer. D) making fatty acid chains with fewer kinks. E) creating more double bonds in the fatty acid chains.