Carbon is released into the atmosphere by _____
a. photosynthesis
b. aerobic respiration
c. burning fossil fuels
d. aerobic respiration and burning fossil fuels
D
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_______ inject their genetic material into a cell, leaving their capsid in the extracellular space.
a. RNA viruses b. DNA viruses c. Virions d. Bacteriophages
A transfer of genes between non-homologous chromosomes is known as
A. crossing over. B. aneuploidy. C. trisomy. D. translocation. E. duplication.
A woman with severe acne wishes to go on Accutane even though she is pregnant. Based on this drug's critical period, when would be a reasonably safe time for her to do so?
A) When she first becomes pregnant B) After her first month of pregnancy C) After her second month of pregnancy D) After her fourth month of pregnancy
Phospholipids have both a hydrophilic and a hydrophobic region
a. true b. false