The ancestors of land plants were probably ________ that lived in ________
A) green algae similar to charophytes; the open ocean
B) green algae similar to charophytes; coastal marshes or lake fringes
C) cyanobacteria; coastal marshes or lake fringes
D) cyanobacteria; moist soil crust communities
Answer: B
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The DNA sequence capable of pairing with 5' CGATTAGT 3' is:
A. 5' CGATTAGT 3'. B. 5' GCTAATCA 3'. C. 3' CGATTAGT 5'. D. 3' GCTAATCA 5'. 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 know about base pairing? 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?
Some microbes secrete small molecules that induce other microbes to settle nearby. When a certain number of individuals have assembled, the chemical signal is strong enough to induce the aggregation to respond collectively to stimuli. This process is called
A. bioremediation B. mutualism C. conjugation D. quorum sensing E. mass-settling
How many levels of consumption are depicted
in the figure? a. 1 b. 2 c. 3 d. 4 e. 5
Why are ATPases associated with active transport proteins?
a. They allow for the production of ATP that is needed during active transport. b. They help pump phosphate ions across the membrane to maintain the electrochemical gradient. c. They provide transport proteins with the energy needed to pump molecules against their concentration gradients. d. They are important only in symport proteins, because two are required. e. All of the above