What is the length of the DNA contained in the nucleus of a typical human cell?
a. about 2 km
b. about 100 m
c. about 2 m
d. about 10 mm
Ans: c. about 2 m
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What would happen to an egg that had a non-functional chorion?
A. The embryo would suffocate or dehydrate. B. The embryo would starve in the egg. C. The embryo would die due to high levels of toxic metabolic wastes. D. The embryo would develop normally. 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 the amniotic egg? 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?
The taxonomic category that includes all bipedal primates is the ______________. Fill in the blank(s) with the appropriate word(s)
Sea stars are genetically different from each other and from their parents. These genetic differences are the result of
A) asexual reproduction. B) sexual reproduction. C) cloning. D) mitosis.
In which way are you MOST likely to become infected by the parasite Cyclospora cayetanensis?
a. contaminated fruits or vegetables b. contaminated milk c. infected animal bite d. sexual intercourse with an infected partner