Which of the following is the closest living
nonvascular relative to vascular plants?
a. hornworts
b. liverworts
c. mosses
d. ferns
e. red algae
A
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Members of the genus Micrococcus usually exist as ________.
A. irregular clusters B. pairs C. tetrads D. All of the choices are correct.
Which of the following statements is false?
a. Sensory receptors are able to detect specific stimuli only. b. Sensation is an awareness of a change in external or internal conditions. c. A stimulus will generate impulses that are different depending on where the signals are sent in the brain. d. Information about a stimulus is coded in the quantity and frequency of action potentials sent to the brain. e. Specific regions of the brain translate the information about the signal and convert it into a sensation.
Glucose is converted into glucose 6-phosphate by hexokinase. Glucose 6-phosphate then serves as the substrate for the enzyme phosphoglucose isomerase, which converts this reactant into fructose 6-phosphate. Fructose 6-phosphate serves as the substrate for phosphofructokinase, which converts fructose 6-phosphate into fructose 1,6-bisphosphate. Based on the information provided, this is an example of what?
A. Feedback inhibition B. A metabolic pathway C. Allosteric regulation D. Enzyme inhibition
The final electron acceptor associated with photosystem I is _____
A) oxygen B) water C) NADP D) NADPH