All types of matter and energy are included in the study of the natural world
a. true
b. false
Answer: a. true
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All of the following are common functional groups found in biological molecules except
A) phosphate groups. B) carbonyl groups. C) amino groups. D) sulfhydryl groups. E) butyl groups.
Marijuana is considered a(n)
a. stimulant. b. depressant. c. hallucinogen d. analgesic e. neurotransmitter.
The transfer of heat from the plant to the surrounding environment is influenced by the existence of the ________ layer
Fill in the blank(s) with correct word
The mitochondrial cristae are an adaptation that
A) helps mitochondria divide during times of greatest cellular respiration. B) increases the space for more copies of the electron transport chain and ATP synthase complexes. C) allows other ions (like Na+) to build up when H+ ions are not available. D) carefully encloses the DNA housed within the mitochondrial matrix. E) permits the expansion of mitochondria as oxygen accumulates in the mitochondrial matrix