Practice Questions

TLS Online TPP Program

#Question id: 4219

Which of the following statements correctly describes Archibald Garrod's hypothesis for how "inborn errors of metabolism" such as alkaptonuria occur?

#Unit 3. Fundamental Processes

Metabolic enzymes require vitamin cofactors, and affected individuals have significant nutritional deficiencies.
Enzymes are made of DNA, and affected individuals lack DNA polymerase.
Certain metabolic reactions are carried out by ribozymes, and affected individuals lack key splicing factors.
Genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes.

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TLS Online TPP Program

#Question id: 385

#Unit 1. Molecules and their Interaction Relevant to Biology

In which reaction below does water not participate as a reactant (rather than as a product)?

TLS Online TPP Program

#Question id: 9250

#Unit 9. Diversity of Life Forms

Of the following statements about protected areas that have been established to preserve biodiversity, which one is not correct?

TLS Online TPP Program

#Question id: 19380

#Unit 12. Applied Biology

Glyphosate results primarily from starving the cells of aromatic amino acids, which leads to

TLS Online TPP Program

#Question id: 10305

#Unit 6. System Physiology – Plant

Pyruvate dehydrogenase complex Consists of three Distinct enzymes and it requires Coenzymes, these are;

TLS Online TPP Program

#Question id: 11598

#Unit 6. System Physiology – Plant

How the GA3 is differ from GA1______