The shallow depression seen on the external surface of the heart between the left and right ventricles is called the ________.
A. coronary sulcus
B. coronary sinus
C. interventricular sulcus
D. left atrium
E. interventricular septum
Answer: C
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You're designing a new drug to treat allergies. You'd like for your therapy to be able to dissolve through the lipid bilayers of cell membranes; therefore, ________ molecules will make excellent drug choices.
A. ionic B. polar C. radioactive D. electrolyte E. non-polar
Lymphatic vessels are found in which of the following tissues?
A. Bone B. Bone marrow C. Cornea D. Small intestine E. Cartilage
Which of the following is an accurate characteristic of slow fibers?
A) Slow muscle tissue has a much less extensive network of capillaries than does typical fast muscle tissue. B) Resting slow muscle fibers contain oxygen reserves, bound to myoglobin. C) Slow muscle tissue has a lower oxygen supply than does fast muscle tissue. D) Slow muscle fibers contain fewer mitochondria than do fast muscle fibers. E) Slow muscle fibers contain myoglobin, a globular protein, which binds sodium.
The osmotic pressure exerted by a cell would decrease if the cell synthesized more proteins.
Answer the following statement true (T) or false (F)