The Calvin-Benson cycle starts when ____
a. light is available c. electrons leave a photosystem II
b. carbon dioxide is attached to RuBP
B
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A lab technician is preparing to dispose of a rat and a frog that were euthanized earlier in the day for a scientific study. Although the two animals died at the same time, the rat has rigor mortis while the frog does not yet show any signs of it. What is the best explanation for this time difference in the onset of rigor mortis?
A. The rat has higher concentrations of myoglobin in its muscles than the frog. B. All the frog's muscles are fast-twitch muscles. C. The rat's muscles have a greater density of myofilaments than the frog's muscles. D. The frog has lower concentrations of glycogen in its muscles than the rat. E. The rat is able to synthesize more ATP than the frog. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about rigor mortis? What other information is related to the question? Choose Answer · Given what you now know, what information 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?
The final step in the clotting pathway is ____
a. activation of thrombin b. platelet plug formation c. vessel spasm d. conversion of fibrinogen to fibrin e. activation of factor X
The light microscope was used to observe the cellular structure of cork by _______, who named the chambers "cells."
a. Schleiden and Schwann b. Hooke c. Virkow d. Pasteur
The study of the interactions among organisms and between organisms and the environment is called ________
Fill in the blank(s) with correct word