What is the source of energy that provides the boost for electrons during photosynthesis?
A) light
B) NADPH
C) cellular respiration
D) ATP
Answer: A
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In autumn, leaves fall from deciduous trees as the trees go into a type of hibernation. What is the environmental trigger for these changes?
A) the presence of the harvest moon B) a decrease in temperature C) the high temperatures of summer D) a decrease in the amount of sunlight
Cell division in unicellular organisms results in ____ individuals.
a. 4 b. 1 c. 8 d. 2
In which stage of mitosis do the identical sets of chromosomes uncool and resume their chromatic form
A) metaphase B) anaphase C) telophase D) prophasev
The thing that distinguishes one element, such as chlorine, from another, such as neon, is the number of:
A) protons in the nucleus. B) protons and neutrons in the nucleus. C) electrons. D) protons, neutrons, and electrons. E) neutrons in the nucleus.