Which of the following would increase the rate of oxygen diffusion from the air into the body cells of a flatworm?
A. increasing the surface area of the body
B. increasing the partial pressure of oxygen
inside of the cells
C. increasing the thickness of the body wall
D. increasing the surface area of the body
and the partial pressure of oxygen inside the
cells
E. All of the answer options are correct.
A
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Odor molecule receptors are located on the _____________ extending from olfactory receptor cells in the human nose.
A. axon B. soma C. cilia D. synapse E. oligodendrocyte
Which of the below is not one of the six dimensions of health?
a. emotional b. spiritual c. environmental d. stress
CRISPR systems have been used in cancer treatments to
A. deliver radiation to individual cells within large, dense tumors. B. inactivate faulty genes that are responsible for the cell cycle, causing them to slow down or stop cell division. C. activate genes that are responsible for the cell cycle, causing them to speed up cell division to replace cells lost to other cancer treatments. D. deliver packets of chemicals to tumors via genetically engineered red blood cells.
Negative staining with India ink can be used to reveal the presence of capsules that surround bacterial cells.
Answer the following statement true (T) or false (F)