Practice Questions

TLS Online TPP Program

#Question id: 3814

The mechanism of DNA replication is studied in an E. coli replication fork.

Which is a property of RNA primers in an E. coli replication fork?

#Unit 3. Fundamental Processes

RNA primers are synthesized using a DNA template and NDPs.
Each RNA primer is joined to an Okazaki piece through a non-covalent bond.
Each RNA primer is both polymerized and degraded in the 5′→ 3′ direction.
RNA primers are synthesized and proof-read by the primase enzyme.

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TLS Online TPP Program

#Question id: 19366

#Unit 13. Methods in Biology

Which of the following is site specific recombination?

TLS Online TPP Program

#Question id: 27975

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following set of condition During Q cycle, will favours the formation of ROS generation

(a) mitochondria are not making ATP and therefore have a large proton-motive force and a high ratio of QH2/Q

(b) mitochondria are making ATP and therefore have a large proton-motive force and a high ratio of Q/QH2

(c) there is a high NAD/NADH ratio in the matrix

(d) there is a high NADH/NAD ratio in the matrix

TLS Online TPP Program

#Question id: 18008

#Unit 7. System Physiology – Animal

The perception of a stressor triggers this area of the brain to initiate the stress response.

TLS Online TPP Program

#Question id: 12451

#Unit 10. Ecological Principles

What type of population would be associated with a population pyramid that had an extremely broad base?

TLS Online TPP Program

#Question id: 7147

#Unit 5. Developmental Biology

How does lateral inhibition work to specify individual neurons in the neural epithelium of invertebrates and vertebrates?