How are adjacent nucleotides on a strand of DNA connected to each other?
a. by a hydrophobic interaction
b. by a phosphodiester bond
c. by a peptide bond
d. by a hydrogen bond
Answer: b. by a phosphodiester bond
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Which would be TRUE if a metabolic poison were to completely inhibit the function of mitochondrial ATP synthase?
A. The pH difference across the inner mitochondrial membrane would decrease. B. The pH difference across the inner mitochondrial membrane would increase. C. ATP synthesis would increase. D. Oxygen consumption would decrease. E. The accumulation of NADH would increase.
Which tissue type is a sheet-like tissue with
one surface always facing a body cavity or an external environment?
a. dense connective b. muscular c. epithelial d. nervous e. loose connective
Most true fungi send out cellular filaments
called a. mycelia. b. hyphae. c. mycorrhizae. d. stolons. e. rhizoids.
________ is an example of an element
A) Water B) Carbon C) Glucose D) Salt