Denaturation disrupts the secondary and tertiary structure of proteins. However, denaturation is not strong enough to disrupt what interaction that is relevant to protein structure? 

A. van der Waals attraction
B. hydrophobic exclusion
C. hydrogen bonds
D. peptide bonds
E. ionic bonds


Answer: D

Biology & Microbiology

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If an organism has three pairs of chromosomes,

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a. 2 b. 4 c. 8 d. 16 e. 32

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This cellular structure lacks a membrane:

endoplasmic reticulum chloroplast nucleus nucleoid Golgi body

Biology & Microbiology

The random motion of water molecules causes a net movement of substances from a region of high concentration to a region of low concentration:

A. phagocytosis B. filtration C. osmosis D. diffusion E. pinocytosis

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