What does mutagenic means?

a. producing a change in the DNA of a cell
b. increased cell growth
c. new growth in number of cells
d. tumors are large and fleshy
e. cells are very differentiated


a. producing a change in the DNA of a cell

Biology & Microbiology

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Studies show that ______ is the optimal amount of stress that people need to positively promote their health and sense of well-being, which coincides with _____ theory.

a. intensity; cognitive consistency b. distress; biological instinct c. eustress; arousal d. eustress; Maslow’s

Biology & Microbiology

In the pine life cycle, fertilization often takes place ____ pollination

a. at the same time as b. a few days after c. a few weeks after d. a few days before e. months to a year after

Biology & Microbiology

DNA strands can be pulled apart by adding heat and "melting" the double-stranded DNA. The temperature required to melt a region of DNA changes based on the base-pair composition

Based on the structure of the A-T and C-G bonds in the accompanying figure, which bonds would require more energy (heat) to break them? How might this help you predict which regions of the DNA helix may be the most stable and harder to break apart?

Biology & Microbiology

The ability of DNA-binding proteins to initiate transcription can be hindered by the presence of ________ on the promoter regions of the DNA

Fill in the blank(s) with correct word

Biology & Microbiology