If ATP breakdown (hydrolysis) is inhibited, which of the following types of movement across cell membranes is also inhibited?
A) Movement of oxygen into a cell
B) Movement of water through aquaporins
C) Passage of a solute against its concentration gradient
D) Facilitated diffusion of a permeable substance
Answer: C) Passage of a solute against its concentration gradient
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Frameshift mutations may involve
a. substitution of nucleotides. b. substitution of codons. c. substitution of amino acids. d. addition or deletion of one or more base pairs. e. none of these
The letter “E” in the above figure represents the
__________ fin. a. anal b. pelvic c. pectoral d. caudal e. dorsal
During this stage of mitosis, the chromosomes become attached to the spindle at their kinetochores.
A. anaphase B. metaphase C. telophase D. prophase E. prometaphase
Compare and contrast the yeasts and molds with regard to: a) microscopic cellular morphology, b) macroscopic colony morphology, and c) reproduction.
What will be an ideal response?