Diphtheria toxin inactivates elongation factor 2 by catalyzing the attachment of adenosine diphosphate ribose from NAD+
Indicate whether the statement is true or false.
Answer: TRUE
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Which of the following is transmission of disease from mother to fetus?
A. Direct B. Fomites C. Droplets D. Vertical E. Vector
Cardiac muscle's sole function is to
a. help move blood to supply itself with oxygen and nutrients. b. pump blood. c. control blood pressure. d. control heart rate. e. oxygenate the blood.
The small fat droplets surrounded by bile salts are known as ____
a. chylomicrons b. lipase c. triglycerides d. fatty acids e. micelles
Membrane proteins are not very soluble in water because they possess long stretches of nonpolar amino acids that are
A. hydrophilic. B. are transmembranal. C. hydrophobic. D. too long to interact with the water molecules. E. used as transport channels.