A reduction in up to 40% of the species on the planet may be caused by what factor?
a. habitat loss
b. invasive species
c. climate change
d. disruption in the carbon cycle
c. climate change
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A food spoilage process called ________ results in the release of foul-smelling amine compounds.
Fill in the blank(s) with the appropriate word(s).
Ribose differs from deoxyribose by having:a
two attached nitrogenous bases. b. one less oxygen. c. an extra hydroxyl group. d. an extra carbon in the ring. e. one less carbon in the ring.
A VNTR is:
a) used in biotechnology when creating a clone. b) produced when a mutation occurs in a sperm-producing or egg-producing cell. c) produced when a mutation occurs in a non-sex cell. d) a highly variable section of an individual's DNA. e) a gene that codes for a biochemical trait, rather than a structural trait.
Scorpions
a. Feed during the day b. Are most common in the temperate areas of the world c. Are docile animals that, in spite of their reputation, cannot harm humans d. Are sensitive to surface waves produced by movement on the ground e. All of the choices are correct