The nuclear envelope and endoplasmic reticulum are components of the

a. endomembrane system.
b. cytoskeleton.
c. mitochondrion
d. nucleolus.


Answer: a. endomembrane system.

Biology & Microbiology

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Our current view of membrane structure is based on the fluid mosaic model, proposed by ____ in

1972.

a. H. Davson and J. Danielli b. I. Langmuir c. C. Overton d. S. Singer and G. Nicolson e. E. Gorter and F. Grendel

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Pasteurization

A. is the use of heat to sterilize food products. B. is the use of heat to reduce numbers of pathogenic/spoilage bacteria in a food item to a safe level. C. is a process that uses intense cold to kill microorganisms on foods. D. is a process that uses short bursts of radiation to kill microorganisms on foods.

Biology & Microbiology

Microorganisms placed in high concentrations of salts and sugars undergo lysis

Indicate whether the statement is true or false

Biology & Microbiology

The Drosophila homeotic genes typically contain the homeobox. The homeobox is a sequence of 180 nucleotides. The number of amino acids coded for by this sequence is

A. 180. B. 90. C. 120 D. 60. E. 30.

Biology & Microbiology