Choose the incorrect statements from the following.
A To cut DNA with restriction enzyme it needs to be in the pure form, free from RNA, protein, polysaccharides and lipids.
B. RNA can be removed by protease enzyme.
C. DNA separated as the suspension can be removed by spooling.
D. DNA can be precipited by adding warm ethanol.
The correct answer is-
Important Questions on Molecular Basis of Inheritance
Observe the figure and answer the questions:
Identify the parts A and B.
Identify P and Q in the following figure?
Observe the figure and answer the questions:
What is the function of 'A'?
Mitochondria and chloroplast are:
(i) Semi - autonomous organelles
(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery
Which one of the following option is correct?
| Column I | Column II | ||
| (a) | Centriole | (p) | Infoldings in mitochondria |
| (b) | Chlorophyll | (q) | Thylakoids |
| (c) | Cristae | (r) | Nucleic acids |
| (d) | Ribozymes | (s) | Basal body cilia or flagella |
| Column I | Column II | ||
| A | Thylakoids | (i) | Disc-shaped sacs in Golgi apparatus |
| B | Cristae | (ii) | Condensed structure of DNA |
| C | Cisternae | (iii) | Flat membranous sacs in stroma |
| D | Chromatin | (iv) | Infoldings in mitochondria |
a. rRNA is the most abundant RNA.
b. Ribosomes are composed of approximately 80% rRNA and 20% ribosomal proteins.
c. rRNA is a type of coding RNA.
