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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Adenine and thymine form _______ hydrogen bonds between them, while cytosine and guanine form _______ bonds
A. 2 , 3 B. 3 , 4 C. 3 , 2 D. 4 , 3
Biology & Microbiology
If an organism has three pairs of chromosomes,
how many possible combinations of homologous chromosomes could result from meiosis?
a. 2 b. 4 c. 8 d. 16 e. 32
Biology & Microbiology
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
Biology & Microbiology