Practice Questions

TLS Online TPP Program

#Question id: 4258

A single base substitution mutation is likely to have a less deleterious effect when the base change exhibits which of the following results?

#Unit 3. Fundamental Processes

a stop codon
a codon that specifies the same amino acid as the original codon
an amino acid substitution that alters the tertiary structure of the protein
an amino acid substitution at the active site of an enzyme

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TLS Online TPP Program

#Question id: 23729

#Unit 8. Inheritance Biology

Meristic characteristics___

TLS Online TPP Program

#Question id: 12335

#Unit 10. Ecological Principles

How does the foraging of animals on tree seeds affect the distribution and abundance of the trees? This question

TLS Online TPP Program

#Question id: 531

#Unit 1. Molecules and their Interaction Relevant to Biology

Glucose labeled with ¹⁴C in C-1 and C-6 gives rise in glycolysis to pyruvate labeled in:

TLS Online TPP Program

#Question id: 3608

#Unit 8. Inheritance Biology

Mendel crossed plants with the seed characters round and yellow with plants having the contrasting seed characters wrinkled and green. Round is dominant

to wrinkled, and yellow is dominant to green. The F1 progeny were all round and yellow. What will be genotype ratio in F2 generation?

TLS Online TPP Program

#Question id: 16123

#Unit 7. System Physiology – Animal

How fever can be reduced by aspirin?