Which enzyme is made up of both RNA and protein?

A) RNA polymerase
B) nucleosome
C) ribosome


Ans: A) RNA polymerase

Biology & Microbiology

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Pollen contains that produce .

A. gametophytes; sperm B. sporophytes; sperm C. gametophytes; spores D. sperm; spores E. sporophytes; spores

Biology & Microbiology

If chromosomal DNA from a host is the only type of DNA carried by a transducing particle, what can be concluded regarding transduction in this case? 

A. Transduction in this case is neither generalized nor specialized. B. Transduction in this case could be generalized or specialized depending on the phage involved. C. Transduction in this case is generalized rather than specialized. D. Transduction in this case is specialized rather than generalized.

Biology & Microbiology

What is the difference between the two atoms in the accompanying figure?

a. Their electrical charge b. The number of electrons c. The number of protons d. The number of neutrons e. The number of valence shells

Biology & Microbiology

Which of the following diseases could be prevented with proper sewage disposal and water purification?

A) Lyme disease B) Leptospirosis C) Vibrio parahaemolyticus gastroenteritis D) Vibrio vulnificus gastroenteritis E) Cholera

Biology & Microbiology