Which of the following quantities would be different on the moon than on the earth?
A. acceleration due to gravity
B. mass
C. both mass and acceleration
D. neither mass nor acceleration
A. acceleration due to gravity
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Receptor-mediated endocytosis
A) is a type of secretion. B) imports target molecules after they bind to membrane proteins. C) does not require energy from the cell. D) can only move a substance down its concentration gradient. E) imports extracellular fluid, including all of its dissolved molecules.
In the following enhanced CT scan of the abdomen, the arrow points to the:
A) spleen. B) liver. C) stomach. D) left kidney. E) inferior lobe of the left lung.
Amy is a premed student with a summer job as an animal research technician. One of her duties is to withdraw blood by syringe from the anterior vena cava of pigs, to be analyzed for various hormones. During her training she noticed that most blood samples were very dark in color, but occasionally a sample was bright red. Propose an explanation.
What will be an ideal response?
Which of the following types of muscles contain intercalated discs and branching fibers?
A) skeletal B) smooth C) cardiac D) all of the above