During translation in prokaryotes, formation of the initiation complex requires all of the following except  

A.  a small ribosomal subunit.
B.  mRNA.
C.  tRNA charged with N-formylmethionine.
D.  RNA polymerase.
E.  initiation factors.


D.  RNA polymerase.

Biology & Microbiology

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Which connective tissue contains fibroblasts?

a. loose connective tissue b. fibrous connective tissue c. cartilage d. bone e. loose connective tissue and fibrous connective tissue

Biology & Microbiology

Which of the following is not associated with pneumonia?

A. An inhaled allergen B. Bacteria C. Virus D. Fungi E. Shortness of breath

Biology & Microbiology

Lymphocytes that become part of cell-mediated immunity arm of the adaptive immune response develop in the:

A) intestine. B) bone marrow. C) spleen. D) lymph nodes. E) thymus.

Biology & Microbiology

Which of the following is FALSE:

-Many people with total blindness experience life-long sleeping problems because their retinas are unable to detect light. -These people have a kind of permanent jet lag and periodic insomnia because their circadian rhythms follow their innate cycle rather than a 24-hour one. -Daily supplements of melatonin may improve night-time sleep for such patients. -Blind people cannot sense light and are therefore unable to modify their sleep/wake cycle.

Biology & Microbiology