Practice Questions

TLS Online TPP Program

#Question id: 10276

In glycolysis, the enzyme glyceraldehyde 3-phosphate dehydrogenase catalyzes;

#Unit 6. System Physiology – Plant

oxidation of the aldehyde to a carboxylic acid, reducing NAD+ to NADH
reduction of the carboxylic acid to aldehyde, oxidised NADH to NAD+
the conversion of Glyceraldehyde 3-phosphate to 1,3-Bisphosphoglycerate by transfering phosphate group from ATP molecules
conversion of aldehyde group into carboxylic acid, this is first reaction of payoff phase called substrate-level phosphorylation

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TLS Online TPP Program

#Question id: 10990

#Unit 7. System Physiology – Animal

Sympathetic stimulation of the heart normally causes which of the following conditions?

TLS Online TPP Program

#Question id: 23191

#Unit 13. Methods in Biology

In stimulated emission depletion (STED) microscopy the focused excitation laser point is surrounded by a

TLS Online TPP Program

#Question id: 24574

#Unit 10. Ecological Principles

If number of birds in the population N0= 100 next year ecologists count 110 birds in the same population, consider a population of birds growing at a rate of 5% per year. After 5 years how many birds would there be?

TLS Online TPP Program

#Question id: 3698

#Unit 3. Fundamental Processes

In this diagram of the process of DNA replication at a replication fork, the strand labeled B is the:

TLS Online TPP Program

#Question id: 3521

#Unit 8. Inheritance Biology

Which of the following is incorrect about independent assortment?