Identify the primary functions of the muscles that form the rotator cuff.


Ans: Holds the head of the humerus in the glenoid cavity
Allows for rotation of the arm

Biology & Microbiology

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From the information provided in the figure above, how would you classify the feeding strategy of organism C?

A) suspension feeding B) predation C) parasitism D) suspension feeding and predation E) predation and parasitism

Biology & Microbiology

Which structure "unzips" the double helix of DNA during transcription?

A. an anticodon B. mRNA C. IRNA D. RNA polymerase

Biology & Microbiology

What are considered to be the two most important factors that have been involved in past mass extinctions?

a. disease and parasites b. fire and weather events c. glaciers and earthquakes d. environmental and biological factors e. plate tectonics and climatic factors

Biology & Microbiology

Green and yellow wavelengths of light are useless to most plants.

a. true b. false

Biology & Microbiology