Which of the following would result in an increase in torque?
A. moving the site of muscle attachment
further away from the joint
B. moving the site of muscle attachment
closer to the joint
C. increasing the speed of muscle contraction
D. decreasing the size of the muscle
E. None of the answer options would result in
an increase in torque.
A
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Twelve PGAL molecules form when six CO2 are attached to six RuBP molecules. Two of these PGAL molecules are needed to form a 6-carbon sugar. What is the fate of the ten remaining PGAL molecules?
a. They are degraded. b. They are converted back to carbon dioxide. c. They are stored as extra PGAL molecules. d. They are used during photorespiration. e. They are converted to RuBP molecules.
Which of the following microscopes provides an image that is upside-down and facing left when viewed through the eye piece?
a. dissecting b. light c. scanning electron d. transmission electron
Which is NOT a function of capsules or slime layers?
a. development and maintenance of biofilms b. evasion of destruction by immune cells c. attachment to solid surfaces d. protection from osmotic lysis
Which of the following statements is NOT correct regarding nonrenewable fuel resources?
A. Burning these nonrenewable fuels contributes to global warming. B. Burning these nonrenewable fuels contributes to acid rain. C. Extracting and transporting these fuels has negative ecological impacts. D. Oil harms species when it leaks from pipelines, ships, or wells. E. Nonrenewable energy sources do not produce greenhouse gases.