Four of the five answers listed below are related to phloem. Select the exception
a. companion cells
b. sieve tubes
c. translocation
d. sucrose
e. conducting tubes that are dead
e
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In Cell 3,
Consider the following plant cells floating in an open beaker containing 0.2M sucrose. By definition, an open beaker has a pressure potential 0 MPa. Assume that the cells have come to equilibrium with the solution in the beaker.
A. ?p = 0.0 MPa and ?w = -0.5 MPa.
B. ?p = 0.0 MPa and ?w = 0.0 MPa.
C. ?p = +0.5 MPa and ?w = -0.5 MPa.
D. ?p = -0.5 MPa and ?w = -0.5 MPa.
E. ?p = 0.0 MPa and ?w = +0.5 MPa.
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
What key words does the question contain and what do they mean?
Gather Content
What do you already know about water potential? How does it relate to the question?
Consider Possibilities
What other information is related to the question? Which information is most useful?
Choose Answer
Given what you now know, what information and/or problem solving approach 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 of the following prokaryotic nutritional
groups use organic substances for carbon and photons for energy? a. photoautotrophs b. chemoautotrophs c. photoheterotrophs d. chemoheterotrophs e. none of these
A pathologic state begins with contact with a microbe.
Answer the following statement true (T) or false (F)
Which of the following occurs during forced expiration?
a. The alveoli inflate. b. The ribs move upward. c. The internal intercostal muscles contract. d. The floor of the thoracic cavity moves downward. e. The pressure increases in the thoracic cavity.