Skeletal muscles are connected to bones by cords of connective tissue called
a. muscle fibers.
b. sarcomeres.
c. tendons.
d. ligaments.
e. myofibrils.
C
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Stomata are opened when ____ guard cells and they become ____
a. active transport pumps H+ into; turgid b. active transport of H+ stops in; flaccid c. active transport pumps H+ out of; turgid d. active transport pumps H+ into; flaccid e. active transport of H+ stops in; turgid
The graph below can be used to understand the forces underlying the movement of fluid between the blood and the interstitial fluid. What is a true statement concerning these processes?
A. Normally, the net amount of fluid flow in region A is less than the net amount of fluid flow in region B.
B. Sodium ions contribute significantly to the movement of fluid in region B.
C. Fluid leaves the blood in region A and returns to the blood in region B.
D. In people suffering from severe liver disease or protein starvation, the fluid flow in region B is increased.
E. Edema results from reduction of fluid flow in region A.
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about the movement of materials in and out of the circulatory system? What other information is related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which group is the sister group to humans?
a. earthworm b. lizard c. tuna d. mouse e. duck
Sulfonamides are analogs of PABA and, as a result, they inhibit ________ synthesis.
A. folic acid B. DNA C. RNA D. protein E. phospholipid