Sulfolobus are archaea that are commonly found in geothermal environments, with an optimum growth temperature of about 80°C. What feature allows archaea to thrive at such temperatures?
A. Archaea are highly adaptable to changing environmental temperatures.
B. Archaea have two cell walls which helps prevent heat absorption.
C. Archaeal membranes contain special lipids.
D. Archaea use the heat from their environment to produce ATP.
C. Archaeal membranes contain special lipids.
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Stomatal pores function to allow which of the following?
A. loss of water vapor from leaves B. entry of CO2 into leaves C. prevention of water loss from leaves D. escape of O2 from leaves E. All of the choices are correct
During which of the following steps of the TCA cycle does substrate-level phosphorylation take place?
A) TCA-2 B) TCA-3 C) TCA-4 D) TCA-5 E) TCA-6
The larger the initial size of a population, the faster it can reach K
a. true b. false
Which of the following will prevent the further buildup of greenhouse gases?
a. Choose furniture made from exotic hardwoods. b. Use your automobile less, and ride a bicycle more. c. Produce more waste that goes to landfills. d. Buy an air conditioner that uses chlorofluorocarbons.
e. Buy an automobile with poor fuel-efficient.