Which of the following possesses gills?
A. sea cucumber
B. guppy
C. sea star
D. snail
E. All of the choices are correct.
Answer: E
Biology & Microbiology
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Which of the following is not an essential component of the bacterial initiation stage of translation?
A. mRNA B. IF-2 C. ATP D. N-formylmethionyl-tRNAfMet
Biology & Microbiology
The vestibular apparatus ____
a. controls depth perception b. consists of one fluid filled semi-circular canals c. contains mechanoreceptors that detect fluid shifts d. contains no sensory receptors e. contains olfactory receptors that detect odorous chemicals
Biology & Microbiology
Which one of the following is the most primitive vascular plant?
A. fern B. angiosperm C. gymnosperm D. moss
Biology & Microbiology
Discuss the concept of herd immunity and its importance in creating and maintaining a healthy population
What will be an ideal response?
Biology & Microbiology