The beginning of each gene in DNA is marked by the presence of a base sequence that RNA polymerase can attach to. This is called the ________
Fill in the blank(s) with correct word
promoter
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What is emulsification?
A) the digestion of food inside vacuoles B) the breaking up of fat molecules C) the secretion of digestive enzymes in the stomach D) the involuntary movement of a bolus through the alimentary canal
The highest incidence of histoplasmosis in the United States occurs in the
A. Rocky Mountains. B. Southwest. C. Northeast. D. East and Midwest. E. Southeast.
What method does a human white blood cell employ to engulf a bacterial cell?
a. osmosis b. exocytosis c. pinocytosis d. phagocytosis e. facilitated diffusion
In gram-positive Bacteria, the cell walls are composed mainly of thick ________ layers
A) protein B) poly-?-hydroxybutryic acid (PHB) C) lipopolysaccharides (LPS) D) peptidoglycan