Which of the following is not present during the Calvin cycle?
A. CO2
B. ATP
C. NADPH
D. O2
E. All are present during the Calvin cycle.
Answer: D
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Match the following bacterial structures with the proper function
A) Flagellum 1) long, thin appendage used for motility B) Pilus 2) hollow appendage used to transfer DNA between bacterial cells C) Fimbriae 3) hairlike extensions that allow adhesion to surfaces.
Starling's law of the heart states that the heart pumps:a
more forcefully when more blood is delivered to it. b. more rapidly when less blood is delivered to it. c. less forcefully when oxygen-rich blood is delivered to it. d. slower when more blood is delivered to it.
e. slower when norepinephrine is secreted.The distinguishing characteristic used to classify the algae into four kingdoms is
A. whether they are single celled or multicellular. B. their cell wall components. C. their storage products. D. their habitat. E. presence or absence of chlorophyll a.
Eukaryotes have ____ ribosomes.
A. 60s and 80s B. 70s and 60s C. 80s and 70s D. 90s and 80s