In eukaryotic cells, which can occur during the stages
of mitosis?
a. the duplication of chromatids
b. the replication of DNA
c. synapsis and crossing over
d. fragmentation and disappearance of nuclear
envelope
e. all of these
Answer: d
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While flipping through an agriculture products catalog, you come across the following advertisment, "The Centralized Ripening System—makes large scale hormone distribution even easier!". What hormone does this product distribute?
A. auxin B. abscisic acid C. cytokinin D. ethylene E. gibberellin 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 fruit ripening? 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?
Bones store ____, which is important for nerve cell function and muscle contraction
a. calcium b. phosphorous c. potassium d. sodium e. magnesium
All of the following are the end products of glycolysis except
pyruvate. ATP. NADH. NAD+. energy.
Which of the following statements is NOT true concerning enzymatic activity?
a. Each enzyme has a preferred pH at which the enzyme reaction rate is highest. b. Above a certain temperature, an enzyme will become denatured. c. As the temperature increases, most enzymatic reactions will still proceed at the same rate. d. Enzymatic reactions proceed quite rapidly. e. Enzyme activity increases as substrate concentration increases until the maximum rate is achieved.