The nuclear envelope and endoplasmic reticulum are components of the
a. endomembrane system.
b. cytoskeleton.
c. mitochondrion
d. nucleolus.
Answer: a. endomembrane system.
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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.
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
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.
Microorganisms placed in high concentrations of salts and sugars undergo lysis
Indicate whether the statement is true or false