All cells have DNA to carry genetic information, a plasma membrane which serves as a selective barrier, and

mitochondria for the generation of energy.



Indicate whether the statement is true or false.


ANSWER: False - eukaryotic cells

Biology & Microbiology

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The fluid mosaic model proposed by Singer and Nicolson in 1972 explained that

A. the cell membrane was composed of lipids and proteins. B. the cell membrane was composed of a phospholipid bilayer between two layers of globular proteins. C. the cell membrane was composed of a phospholipid bilayer with globular proteins actually inserted into the bilayer. D. the cell membrane was composed of a phospholipid bilayer but the polar ends of the phospholipid molecules were reversed.

Biology & Microbiology

The dried residues of fine droplets from mucus or saliva that harbor and transmit pathogen are ________.

A. droplet nuclei B. mechanical vectors C. biological vectors D. aerosols E. fomites

Biology & Microbiology

Four of the five answers listed below are nonreproductive

parts of a flower. Select the EXCEPTION.

a. calyx b. anther c. corolla d. petal e. sepal

Biology & Microbiology

The two most closely related groups of fungi are the:

A) basidiomycetes and ascomycetes. B) basidiomycetes and zygomycetes. C) ascomycetes and zygomycetes. D) zygomycetes and chytrids.

Biology & Microbiology