Where do fern antheridia develop?
a) on the tip of the sporophyte
b) on the tip of the gametophyte
c) on the underside of the sporophyte
d) on the tip of the haploid protonema
e) on the underside of the gametophyte
Ans: e) on the underside of the gametophyte
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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?
During DNA replication, the enzyme ________ catalyzes the elongation of new DNA strands.
A. ATP synthase B. helicase C. DNA polymerase D. DNA ligase
Discuss the distinction between gram-negative and gram-positive bacteria. In the laboratory, how is
this determined? What are differences between these two groups of bacteria? What will be an ideal response?
Briefly define the term genetic equilibrium
What will be an ideal response?