You identify a molecule in a pizza that is a polymer; has oxygen, hydrogen, and sulfur atoms; and is hydrophilic. What kind of molecule is it?
A) protein
B) carbohydrate
C) nucleic acid
D) lipid
Answer: A
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Genetically modified crops have been banned in the United States
a. True b. False
Why do women have a higher frequency of bladder infections than men? a. A woman's urethra is shorter than a man's which increases the likelihood of bacterial growth
b. Semen cleans a man's urethra to prevent bacterial infections. c. A woman's urethra is longer than a man's which increases the likelihood of bacterial growth. d. It is pure luck. e. Men have natural antibodies which will decrease the possibility of a bladder infection.
What process occurs because of genetic variation that is already present in a population?
What will be an ideal response?
Which of the following is characteristic of prokaryotic genomes but not eukaryotic genomes?
A) histones B) circular chromosomes C) linear chromosomes D) enclosed in a nuclear membrane E) typically consist of a few to several chromosomes