Which of the following proteins has a roughly spherical structure? A) Antibodies

Question

Which of the following proteins has a roughly spherical structure? A) Antibodies B) Hemoglobin C) Integral protein D) Collagen What type of stabilizing interaction could there be between the side chains of serine and threonine? A) Disulfide bonds B) Hydrogen bonds C) Hydrophobic interactions D) Salt bridges The model that explains that the substrate fits exactly into the active site of an enzyme is called: A) induced fit B) substrate selectivity C) lock and key D) coenzyme Which list contains only essential amino acids? A) Pro, Met, Val, Leu B) Thr, Glu, His, Lys C) His, Lys, Trp, lle D) Ala, Val, Phe, Met

Explanation / Answer

1) c- Integral protein

2) b- Hydrogen bonds

3) c- lock and key

4) c- His, Lys, Trp, Ile

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