The alpha helix is an example of which level of protein structure?

a. Primary
b. Quaternary
c. Secondary
d. Tertiary


Ans: c. Secondary

Biology & Microbiology

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A heart attack occurs when cardiac cells receive an inadequate supply of ____

a. glucose b. calcium c. sodium d. oxygen e. potassium

Biology & Microbiology

________ is a condition in which there is an excessive stress on a tendon, causing inflammation

Fill in the blank(s) with correct word

Biology & Microbiology

All sensory receptors are able to initiate nerve impulses by opening or closing

A. exteroceptors. B. stimulus-gated channels. C. voltage-gated channels. D. interoceptors.

Biology & Microbiology

A young woman is brought to the ER who is running a high fever and is confused about where she is. She also has an extensive red rash. She begins vomiting, and her blood pressure drops. The ER staff determine she is menstruating. What is the likely

diagnosis? What will be an ideal response?

Biology & Microbiology