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Mastering Biology Assignment -2 Questions and Answers Fully Solved
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Mastering Biology Assignment -2
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Mastering Biology Assignment #2Which of these is NOT a lipid?
A. phospholipid
B. steroids
C. wax
D. RNA
E. cholesterol – answer D. RNA
Which of these is rich in unsaturated fats?
A. beef fat
B. lard
C. olive oil
D. a fat that is solid at room temperature
E. butter – answer C. olive oil
A function of cholesterol that does not harm health is its role ____ - answer as a
component of animal cell membranes
Proteins are polymers of _____ - answeramino acids
What type of bond joins the monomers in a protein's primary structure? - answerpeptide
The secondary structure of a protein results from _____. - answerhydrogen bonds
Tertiary structure is NOT directly dependent on _____. - answerpeptide bonds
The bonding of two amino acid molecules to form a larger molecule requires -
answerthe release of a water molecule
There are 20 different amino acids. What makes one amino acid different from another?
- answerdifferent side chains (R groups) attached to an alpha (α) carbon
Which type of interaction stabilizes the alpha (α) helix and the beta (β) pleated sheet
structures of proteins? - answerhydrogen bonds
The structure depicted in the figure shows the - answerα helix secondary structure of a
polypeptide.
Which of the following descriptions best fits the class of molecules known as
nucleotides?
A. a phosphate group and an adenine or uracil
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