Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 3749
TLS Online TPP Program

#Question id: 3962

Which of the following is a difference between inducible versus repressible operons?

#Unit 3. Fundamental Processes

  1. In an inducible operon, the ligand binds to the regulator protein.

  2. In a repressible operon, the ligand-regulator complex binds to the operator.

  3. In a repressible operon, all the structural gene products have related functions.

  4. In an inducible operon, RNA polymerase binds to the promoter.

More Questions
TLS Online TPP Program

#Question id: 2878

#Unit 2. Cellular Organization

Match the following types of Transposable elements with their respective types and examples found in various organisms.

Transposon

Type

Example

1. F and G element

a. DNA-mediated

 i. Drosophila

2. Ty elements

b. RNA-mediated

 ii. Humans

3. Alu sequences

c. Poly-A retrotransposons

 iii. Yeast

4. P-elements

d. Virus-like retrotransposons

 iv. Mammals

TLS Online TPP Program

#Question id: 24483

#Unit 3. Fundamental Processes

Which of the following is incorrect about RNA Polymerase I 
TLS Online TPP Program

#Question id: 2056

#Unit 4. Cell Communication and Cell Signaling

A mother has an Rh- and the father an Rh+ blood type. The first baby born to the parents was Rh+ . However, the parents elect for the mother not to receive Rhogam. future babies of this couple at risk for
TLS Online TPP Program

#Question id: 27210

#Unit 1. Molecules and their Interaction Relevant to Biology

Charge on one mol of electron is approximately equal to
TLS Online TPP Program

#Question id: 3467

#Unit 11. Evolution and Behavior

 Which one of the following statements is INCORRECT?