Carbon dioxide and water can combine to form glucose, water and oxygen. What is required for that process to occur?
A. Nothing, this is a spontaneous reaction
B. Energy from the process of cellular respiration
C. Light energy from the sun
D. Mitochondria
C. Light energy from the sun
This describes the process of photosynthesis, which is an endergonic reaction requiring light energy.
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If you were to observe the activity of methylated DNA, you would expect it to _____
A) be replicating nearly continuously B) be unwinding in preparation for protein synthesis C) have turned off or slowed down the process of transcription D) be very actively transcribed and translated E) induce protein synthesis by not allowing repressors to bind to it
Fishing gear that modifies the environment can lead to
a. increased complexity of the trophic food web. b. loss of necessary habitat for target and non-target species. c. improvement in habitat productivity. d. increased species diversity in the habitat. e. Fishing gear has been improved to prevent habitat problems.
What kind of bond results from an unequal sharing of electrons?
A) nonpolar covalent bond B) polar covalent bond C) ionic bond D) H bond
What is methanogen?
A. An organism adapted to life in a highly salty environment B. An organism that produces a highly salted substance C. An organism adapted to life in a methane gas environment D. An organism that produces methane gas as a metabolic by-product E. An organism that produces methane and carbon dioxide as a metabolic by-product