Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 7937
TLS Online TPP Program

#Question id: 11155

Nucleic acid sequences that undergo few changes over the course of evolutionary time are said to be conserved. Conserved sequences of nucleic acids

#Unit 9. Diversity of Life Forms
  1. are found in the most crucial portions of proteins.
  2. include all mitochondrial DNA.
  3. are abundant in ribosomes.
  4. are proportionately more common in eukaryotic introns than in eukaryotic exons.
More Questions
TLS Online TPP Program

#Question id: 13106

#Unit 13. Methods in Biology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 
 
Why is it that some people only have one band?
TLS Online TPP Program

#Question id: 3434

#Unit 11. Evolution and Behavior

type of learning that can occur only during a brief period of early life and results in a behavior that is difficult to modify through later experiences is called
TLS Online TPP Program

#Question id: 29477

#Unit 6. System Physiology – Plant

Gibberellins biosynthesis completes in almost three organelles, in which organelles  formation of geranylgeranyl diphosphate or GGPP takes place 
TLS Online TPP Program

#Question id: 2162

#Unit 2. Cellular Organization

Uniport transport
TLS Online TPP Program

#Question id: 3479

#Unit 11. Evolution and Behavior

Which of the following could be classified as habituation?

A) You enter a room and hear a fan motor. After a period of time, you are no longer aware of the motorʹs noise.

B) You hear a horn while driving your car. You step on the brakes but notice the sound came from a side street. You resume your previous speed.

C) One morning you awake to a beep-beep-beep from a garbage truck working on a new early morning schedule. The next week the garbage truck arrives at the same time and makes the same noise, but does not wake you up.