Which one of the cell organelles is known rough and smooth?
a. mitochondria
b. nucleus ,
c. plasma membrane
d. lysosomes
e. endoplasmic reticulum (ER)
Ans: e. endoplasmic reticulum (ER)
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A toxoid is an attenuated form of a toxin that retains both its antigenicity and toxicity
Indicate whether the statement is true or false.
Select the statement that most accurately describes the action of antimicrobial drugs today.
A. The development of antiviral drug resistance has not been observed, as compared to the high rate of antibiotic resistance seen today. B. Effective antiviral drugs have a long history of development and use. C. Antiviral drug treatment is more effective than vaccination against a viral disease. D. Antiviral drugs often result in toxic side effects due to their inhibition of host cell activity.
The efferent arterioles give rise to the ____
a. renal artery b. renal vein c. afferent arteriole d. ureter e. peritubular capillaries
Triglycerides contain three fatty acids and
A. one glycerol. B. two glycerols. C. three glycerols. D. four glycerols.