UV light has ______ wavelengths than visible light waves, and its peak energy is at a wavelength of ______.

longer; 254nm
shorter; 254nm
longer; 100nm
shorter; 100nm


shorter; 254nm

Biology & Microbiology

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The most commonly used unit for measuring cell size is a ____

a. decimeter (dm) b. centimeter (cm) c. millimeter (mm) d. micrometer (mm) e. nanometer (nm)

Biology & Microbiology

The difference between people who handle stress

well and those who become deeply depressed is based on all BUT a. polygenic inheritance. b. genes and the environment. c. a transporter protein that moves serotonin into brain cells. d. a gene product that counters anxiety. e. a gene mutation.

Biology & Microbiology

Evergreen trees are found in

a. the Southeastern U.S. b. temperate lowlands in the U.S. c. the taiga. d. the boreal forests. e. all of these.

Biology & Microbiology

Each gamete carries one factor, now called an allele, for each inherited trait.

Answer the following statement true (T) or false (F)

Biology & Microbiology