The _____________ bacterial group contains organisms that normally inhabit the intestinal tracts of humans (depending on diet), and can additionally break down cellulose
A. Bacteroidetes
B. Firmicutes
C. Heliobacteria
D. Gram-positive
E. Proteobacteria
A
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Where in a eukaryotic cell does oxidative phosphorylation occur?
a. Outer membrane of the mitochondria b. Inner membrane of the mitochondria c. Inner part of the cell membrane d. Throughout the cytoplasm
Which is the correct sequence involved in the regulation of organ systems?
a. stimulus, receptor, integrator, response, effector b. stimulus, response, integrator, receptor, effector c. stimulus, receptor, integrator, effector, response d. stimulus, integrator, receptor, effector, response e. stimulus, effector, integrator, receptor, response
Ion channels are found in the plasma membranes of neurons and muscle cells
__________________ Indicate whether the statement is true or false.
Suppose that the first part of a new polypeptide chain being produced in a eukaryotic cell has a signal peptide. Where would this polypeptide be located within the cell as it is maturing?
a. first in the rough ER, and then in the Golgi apparatus b. first in the cytoplasm, and then in the rough ER c. in the cytoplasm only d. in the Golgi apparatus only