7. Which of the following techniques cannot be used to quantify affinity between an enzyme and its peptide substrate? a. X-ray crystallography b. Isothermal calorimetry c. Surface plasmon resonance d. […]
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Why Skin Cells and Muscle Cells Share DNA But Differ
6. In our body skin cells and muscle cells share the same DNA. Which of the following is true a. Although they share the same DNA, both have a different […]
Founder Effect Familial Hypercholesterolemia
5. Despite the large number of unique mutations described in the LDL-R gene that cause familial hypercholesterolemia, certain mutations are found in high frequency in specific populations, e.g., the 9.5 […]
Natural Selection Adaptation Evolution
4. How does an adaptation, such as better running speed, evolve with natural selection? a. Natural selection directionally produces better adaptation over time, gradually leading to better running speed. b. […]
Number of Alleles Possible for a Gene
3. The number of alleles possible for a gene is: a. 2 b. Infinite c. 4 d. 1 The correct answer is b. Infinite. A gene can have an infinite […]
Bacterial mRNA Transcription Start Site
2. Which of the following options regarding an mRNA formed by bacterial transcription is correct? a. The transcription start site occurs a few bases before the start codon. b. The […]
Dachshund Beagle Short Stature Inheritance
1. A dachshund is a type of dog with short stature. Beagles are normal-sized. The progeny of a dachshund/beagle mating are all short-statured. Half of the puppies that are produced […]
Carbonated Beverage pH Change
15. Some carbonated beverages are made by forcing carbon dioxide gas into a beverage solution. When a bottle of one kind of carbonated beverage is first opened, the beverage has […]
Second-Order Rate Kinetics
14. In a unidirectional reaction, the conversion of molecules X to Y follows second-order rate kinetics. If the concentration of X increases by 3 times, what will be the change […]
Glycine Peptide Molecular Formula
13. The molecular formula for amino acid, glycine is C2H5O2N. What would be the molecular formulae for a linear peptide made by linking ten glycine molecules by condensation synthesis? a. […]


