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Cell Biology Weekly Quiz 2

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Questions and Answers

If you have a question about the format of Midterm 2, you should contact...

Mindy (correct)
Your TA
Katy
The Dean of the Faculty of Science

How many lab quizzes are scheduled for BIOL 2020?

4
5 (correct)
11
12

Which of the following chemical features are found in a triglyceride?

R-group and Pentose
Phosphate group and Nitrogenous base
Glycerol backbone and Three fatty acids (correct)
Polar head group and Amino group

Which chemical features are found in a nucleotide?

Five-carbon sugar, Nitrogenous base and Phosphate (C) Signup and view all the answers

Why is carbon the fundamental atom found in large biological molecules?

All of the above (C) Signup and view all the answers

The bond between two water molecules is a...

Hydrogen bond (A) Signup and view all the answers

Christian Anfinsen denatured ribonuclease and demonstrated that the instructions for amino acid folding were encoded in the amino acid sequence. What was misleading about this conclusion?

Most proteins require molecular chaperones for folding. (B) Signup and view all the answers

You observe that a biomolecule contains hydrocarbon rings. This is most likely a(n)...

Steroid (D) Signup and view all the answers

Which statement is true?

Proteins are composed of amino acid monomers assembled via condensation reactions and are stabilized by peptide bonds. (D) Signup and view all the answers

Triacylglycerols contain three fatty acids attached to a glycerol. Phospholipids contain just two fatty acids. Both types of lipids are amphipathic.

False (B) Signup and view all the answers

Phospholipids are considered to be amphipathic because they contain both positive and negatively charged domains.