TLS Online TPP Program

#Question id: 5261


Which of these statements about prokaryotes is correct?

#8. Inheritance Biology
  1. Bacterial cells conjugate to mutually exchange genetic material.

  2. Their genetic material is confined within a nuclear envelope.

  3. They divide by binary fission, without mitosis or meiosis.

  4. Genetic variation in bacteria is not known to occur, nor should it occur, because of their asexual mode of reproduction.

More Questions
TLS Online TPP Program

#Question id: 3873

#3. Fundamental Processes

The excision (splicing) of many group I introns requires, in addition to the primary transcript RNA:

TLS Online TPP Program

#Question id: 10171

#6. System Physiology – Plant

Quantum flux, or photon flux density (PFD), is the number of incident quanta (singular quantum) striking the leaf, expressed in

TLS Online TPP Program

#Question id: 11002

#7. System Physiology – Animal

A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?

TLS Online TPP Program

#Question id: 16118

#7. System Physiology – Animal

Following statements are regarding to the heat production by the activation of sympathetic nervous system.
A. Activation is stimulation of β receptors in brown fat, which increases metabolic rate and heat production.
B. Activation is stimulation of α2 receptors in brown fat, which increases metabolic rate and heat production.
C. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasoconstriction. Vasoconstriction reduces blood flow to the surface of the skin.
D. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasodilation. Vasodilation reduces blood flow to the surface of the skin.
Which of the following combination is correct?

TLS Online TPP Program

#Question id: 24159

#Aptitude

There are no effective boundaries when it comes to pollutants. Studies have shown that toxic insecticides that have been banned in many countries are riding the wind from countries where they remain legal. Compounds such as DDT and toxaphene have been found in remote places like the Yukon and other Arctic regions.

This paragraph best supports the statement that