Where would you expect to find methanogens?
A) Near a volcano
B) In the surf along the beach
C) On the surface of plants
D) In the digestive tract of cows
D
You might also like to view...
How do CAM plants minimize photorespiration?
A. Stomata are only opened at night, storing carbon dioxide in the stromata. During the day the carbon dioxide is released for photosynthesis. B. Stomata are only opened at night, storing carbon dioxide in malate. During the day the carbon dioxide is released for photosynthesis. C. The light reactions and the Calvin cycle occur in different cells, so oxygen does not come into contact with rubisco. D. Stomata are only opened at night, storing oxygen in malate. During the day the oxygen is released for photosynthesis. E. The light reactions and the Calvin cycle occur in different cells, so carbon dioxide does not come into contact with rubisco.
One part of Darwin's theory is that individuals
with certain traits have an increased competitive edge. The source of these traits is a. adaptation to stress. b. development over a lifetime. c. inheritance. d. mutation after birth. e. all of these.
Which of the following statements is false?
a. Synaptic potentials may vary in magnitude. b. Synaptic integration sums arriving signals over space and time. c. An excitatory postsynaptic potential is hyperpolarizing, whereas an inhibitory postsynaptic potential is depolarizing. d. Synaptic integration means that signals arriving at a neuron can be reinforced or dampened. e. Synaptic integration means that signals arriving at a neuron can be sent on or suppressed.
Which of the following lists the proper sequence of events that occurs when a flowering plant reproduces?
a. fertilization, meiosis, nuclear fusion, endosperm formation b. growth of the pollen tube, pollination, germination, fertilization c. meiosis, mitosis, nuclear fusion, pollination d. meiosis, fertilization, growth of the pollen tube, germination e. meiosis, pollination, fertilization, embryo formation