Early in mitosis chromatin condenses into the compact, rodlike structures known as chromosomes
Which of the following processes takes place more easily as a result?
a. disappearance of the nuclear envelope
b. replication of DNA
c. orderly distribution of DNA into the two new nuclei
d. formation of the mitotic spindle
e. disintegration of nucleoli
C
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What molecule(s) link the light reactions (stage 1 of photosynthesis) to the Calvin cycle (stage 2 of photosynthesis)?
A. The electron shuttles (ATP and NADPH) B. The water C. The sugars D. The oxygen and carbon dioxide molecules
A heterotrophic organism that consumes primary producers or those that consume primary producers is called a(n) ____
Fill in the blank with the appropriate word.
All of the following are factors in enzyme-catalyzed
reactions that work alone or in combination to lower the activation energy EXCEPT a. helping substrates get together. b. orienting substrates in positions favoring reaction. c. using ATP as an energy source. d. shutting out water molecules. e. inducing a fit between enzyme and substrate.
NPP is the difference between plant photosynthesis and respiration. Therefore, NPP quantifies the net absorption of what element(s) by living plants?
A. carbon B. phosphorus C. nitrogen D. oxygen E. nitrogen, phosphorus, and potassium 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 productivity? 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?