Aquatic organisms are unable to tolerate low pH conditions mainly because acidic waters contain high concentrations of toxic

A) sodium.
B) chlorine.
C) aluminum.
D) carbon dioxide.


C

Biology & Microbiology

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In a chemical reaction, 1,3-bisphosphoglycerate + ADP yields 3-phosphoglycerate plus ATP.  What is the delta G for this reaction?  

A.  Greater than zero. B.  Less than zero. C.  Equal to zero. D.  Cannot be determined 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 free energy in enzymatic reactions? What other information is related to the question?   Choose Answer Do you have all the information needed to answer the question?   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?

Biology & Microbiology

The synthesis of ____ is triggered when cells bind systemin

a. gibberellin b. auxin c. jasmonate d. cytokinin e. brassinosteroids

Biology & Microbiology

What is the process by which most unicellular eukaryotic organisms expel wastes?

a. phagocytosis b. endocytosis c. exocytosis d. contractocytosis

Biology & Microbiology

In some seeds, ________ is used up in the formation of the cotyledons.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology