What are clathrates?
a. stable, recurring tropical weather patterns
b. subterranean reserves of petroleum and natural gas
c. deep-ocean deposits of frozen methane and ice
d. carbon-dioxide rich layers of ice in Antarctic ice cores
c. deep-ocean deposits of frozen methane and ice
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Nonvascular plants lack _____
a. spores b. gametes c. zygotes d. seeds e. chloroplasts
In the GAL gene system, which protein binds to the activation domain of the activator protein, ultimately blocking transcription in the absence of galactose?
What will be an ideal response?
An unbranched polymer composed of simple sugars is a(n)
A) protein. B) triglyceride. C) starch. D) glycoprotein. E) amino acid.
Canning works to preserve foods through
A) creation of an anaerobic environment. B) creation of an anaerobic environment and exposure to high heat. C) exposure to high heat. D) mutation of bacterial DNA. E) increasing pH.