Altruistic behavior is
a. selfish.
b. sexually directed behavior.
c. self-sacrificing behavior.
d. aggressive behavior.
e. nonreactive, such as freezing at the sign of
danger.
C
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Rosalind Franklin used which technique to determine
many of the physical characteristics of DNA? a. transformation b. transmission electron microscopy c. density-gradient centrifugation d. X-ray diffraction e. all of these
The ____________________ covers and protects the outer surfaces of primary plant parts.
Fill in the blank(s) with the appropriate word(s).
An insertional mutation caused by viral genome integration may result in "slow" transformation of the host cell if
a) The protein product of the affected host gene is not directly part of an oncogenic pathway b) The protein product of the affected host gene IS a strong oncogene c) The host genome already has a normal "cellular" version of the "viral" oncogene present d) The infected host cell is already fully differentiated so it won't divide further
Which blood vessels carry blood away from the heart?
What will be an ideal response?