Tuberculosis remains a serious worldwide health problem due to all of the following except  

A.  multi-drug resistance.
B.  social factors such as crowding and incarceration.
C.  the prevalence of HIV infections.
D.  ease of transmission.
E.  absence of MDR strains.


E.  absence of MDR strains.

Biology & Microbiology

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Which of the following best describes the anatomy of a coenocytic organism?

A. The body is made of a large cell with many nuclei. B. The body cells are organized into welldefined tissue layers. C. The body cells are organized into branching filaments. D. The body is made up of several different types of highly specialized cells. E. The body is a hollow ball of flagellated cells.

Biology & Microbiology

Define the purpose of inserting a gene into a plasmid cloning vector

What will be an ideal response?

Biology & Microbiology

The oxygen released in photosynthesis comes from

a. carbon dioxide. b. glucose. c. ribulose bisphosphate. d. water. e. atmospheric oxygen.

Biology & Microbiology

As the concentration of an enzyme increases for a given substrate, 

A. the reaction rate increases similarly. B. the turnover number decreases at the same rate that the enzyme concentration increases. C. the rate of the reaction decreases to a point. D. there is no change in the reaction.

Biology & Microbiology