If you see a male calico cat, you can be fairly certain that his diploid cells have a sex chromosome combination of
____.
a. XYY
b. XY
c. XX
d. XXY
e. XO
ANSWER: d
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The molecule in the accompanying figure is ____, and has ____
a. unsaturated; a carbon-carbon double bond b. saturated; a carbon-carbon double bond c. unsaturated; no carbon-carbon double bonds d. saturated; no carbon-carbon double bonds e. saturated; a carbon-carbon triple bond
The single greatest reservoir(s) of carbon exist(s) in ____
a. the atmosphere b. land food webs c. the ocean d. rocks and sediments e. marine organisms
Genomic imprinting is caused by epigenetic changes to DNA Indicate whether the statement is true or false
The high surface tension of water that allows some insects to literally walk on water is because of:
A. polar covalent bonds B. high heat of vaporization C. cohesion D. heat storage E. adhesion