Suppose it is true that potato plants use uncoupling proteins (UCPs) in a way that is similar to how mammals use them. What would a researcher expect to observe in these plants?
a. increased amounts of ATP production
b. decreased mitochondrial catabolism
c. increased internal tissue temperature
d. decreased sugar metabolism
Ans: c. increased internal tissue temperature
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What is the name of the large opening in the skull that allows the spinal cord to pass through?
A. cranial magnum B. occipital foramen C. parietal opening D. foramen magnum
If a cell is dividing by binary fission then you know that:a
mitosis has taken place without cytokinesis. b. homologous chromosomes have already paired. c. the cyclin-Cdk complex is no longer phosphorylating enzymes. d. the cell cycle is out of control. e. the cell is prokaryotic
Which statements about centrioles is false?
a. They are found in the centrosome. b. They are duplicated before cell division. c. They have a 9 + 2 arrangement of microtubules. d. They are thought to play a role in microtubule assembly. e. They are present in most animal cells but not most plant cells.
Most of the bacteria that live in and on your body are:
a. chemoautotrophs. b. photoautotrophs. c. chemoorganotrophs.