The inner cell mass
A) helps form the amnion.
B) becomes the fetus.
C) gives rise to the embryo.
D) is derived from the male genome only.
C) gives rise to the embryo.
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Which of the following is true of innate behaviors? Innate behaviors _____
A) are only weakly influenced by genes B) occur in invertebrates and some vertebrates but not mammals C) are limited to invertebrate animals D) are expressed in most individuals in a population
Overexpression of ________ lead to the development of cancer in mice, and variations in their structure or amounts have been documented in various types of cancer cells.
Fill in the blank(s) with the appropriate word(s).
Removal of which of the following lymphoid organs would be most detrimental to immune function in an infant?
What will be an ideal response?
How do prions differ from viruses?
a) Unlike viruses, prions are infectious proteins. b) Unlike viruses, prions do not include any nucleic acids. c) Unlike a virus, a prion is a single molecule. d) all of the above