Bacteria synthesize CDP-diacylglycerol in order to build ________, a major cell membrane phospholipid component.
A. lipopolysaccharide
B. phosphatidylethanolamine
C. lipid rafts
D. peptidoglycan
Answer: B
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The enhancement of phagocytosis due to deposition of antibody on the surface of a pathogen or antigen is called
A) complementation. B) opsonization. C) inflammation. D) antibody class switching.
Which of the following is the last structure that
a sperm travels through as it leaves the body? a. ureter b. urethra c. vas deferens d. ejaculatory duct e. epididymis
Suppose a particular protein is produced in excess of the cell's needs. What kind of mechanism will intervene to stop
production? a. growth b. anabolic c. metabolic d. respiratory e. homeostatic
Because the bones thought to belong to the Romanov family were highly decayed, what type of analysis was used by scientists to determine the gender of each deceased individual?
A) pelvic bone analysis only B) DNA analysis of material that is specific to the Y chromosome C) DNA analysis of material that is specific to the X chromosome D) both pelvic bone analysis and DNA analysis