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Which of the following is NOT used to assemble amino acids during translation?

When pathologist analyzes a tissue sample, she discovers that it is there is an strange compound is present in it.  When analyzing it, she finds that it is made up of Carbon, Hydrogen, Oxygen, Nitrogen, and Sulfur.  It is most likely a ______________.

The basic structural unit of all living organisms is known as a _______.

Negative Feedback mechanisms are composed of __________, _________, and ___________.

Typically the number of electrons is ___________  the number of protons in a neutral atom.

Match the type of ion channel with how it works.

Lipids are hydrophobic because they are made up of molecules that are held together by ________________ bonds.

All of the following are correct nitrogen base pairs in DNA, except ______.

What type of exercise has been shown to be as beneficial for blood pressure as traditional dynamic resistance exercise and aerobic exercise? 

Ribosomes are made up of protein AND _______.