Embibe Experts Solutions for Exercise 1: CBSE-2019

Author:Embibe Experts

Embibe Experts Biology Solutions for Exercise - Embibe Experts Solutions for Exercise 1: CBSE-2019

Attempt the free practice questions from Exercise 1: CBSE-2019 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Exercise 1: CBSE-2019 with Hints & Solutions

HARD
12th CBSE
IMPORTANT

State the ‘Central dogma’ as proposed by Francis Crick. Are there any exceptions to it? Support your answer with a reason and an example.

HARD
12th CBSE
IMPORTANT

Explain how the biochemical characterisation (nature) of ‘Transforming Principle’ was determined, which was not defined from Griffith’s experiments.

MEDIUM
12th CBSE
IMPORTANT

Explain the mechanism of translation that occurs in the ribosomes in a prokaryote.

HARD
12th CBSE
IMPORTANT

Meselson and Stahl carried out centrifugation in CsCl2 density gradient to separate:

MEDIUM
12th CBSE
IMPORTANT

Given below is one of the strands of a DNA segment.

3' TACGTACGTACGTACG 5'

Write its complementary strand.

MEDIUM
12th CBSE
IMPORTANT

Given below is one of the strands of a DNA segment.

3' TACGTACGTACGTACG 5'

Write a possible RNA strand that can be transcribed from the above DNA molecule formed.

HARD
12th CBSE
IMPORTANT

Question Image

Write a possible RNA strand that can be transcribed from the above DNA molecule formed.

MEDIUM
12th CBSE
IMPORTANT

Describe the experiment carries out by Hershey and Chase. Write the conclusion they arrived at.