Practice Questions

TLS Online TPP Program

#Question id: 30087

Which of the following describes the key difference between simple transposition and replicative transposition?

#Unit 2. Cellular Organization

In simple transposition, transposase catalyzes the removal and reintegration of the transposon, while transposase is not involved in replicative transposition.
In simple transposition, a double stranded piece of DNA is moved from one site to another, while in replicative transposition a single strand is moved, leaving a single strand behind.
Simple transposition requires DNA synthesis while replicative transposition does not.
Replicative transposition requires DNA synthesis while simple transposition does not.

More Questions

#Question id: 19720

#Unit 3. Fundamental Processes

#Question id: 28826

#Unit 2. Cellular Organization

Which of the following protein is closely related to the ubiquitous Ca2+-binding protein calmodulin ?

#Question id: 12828

#General Aptitude

#Question id: 2240

#Unit 2. Cellular Organization

In which of the following cases is energy NOT needed for transmembrane transport?

a. Lysine moves into the cell against its concentration gradient via the Na+/lysine symporter.

b. Potassium ions (K+) move out of the cell down the K+ concentration gradient via potassium channels.

c. Glucose moves into the cell down its concentration gradient via a glucose uniporter.

d. Sodium ions (Na+) move out of the cell down the Na+ concentration gradient via sodium channels.

Which of the following are correct?

#Question id: 27977

#Unit 1. Molecules and their Interaction Relevant to Biology