The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of
Lignified thick walls
Cohesion and adhesion
Weak gravitational pull
Transpiration pull
B.
Cohesion and adhesion
Lactose is composed of
Glucose + Glucose
Glucose + Galactose
Glucose + Fructose
Fructose + Galactose
Consider the following statements with two blanks X and Y and select the option which correctly fills up these blanks.
In the centre of the intervertebral disc, a soft area is present called ….X….....
Which is supposed to be remnant of …. Y....
X-Nucleus pulposus , Y-Nerve cord
X-Centrum, Y-Noto cord
X-Nucleus pulposus, Y-Noto cord
X-Centrum, Y-Nerve cord
Which of the following represent uridylic acid?
Uracil + Ribose
Uridine + Phosphoric acid
Uracil + Phosphoric acid
Uridine + Ribose + Phosphoric acid
Nucleotides are formed by
purine, sugar and phosphate
purine, pyrimidine and phosphate
purine, pyrimidine sugar and phosphate
pyrimidine, sugar and phosphate
Match the enzyme in column I with its function in column II and choose the correct option.
Column I | Column II |
A. Beta-Galactosidase | 1. Joining of DNA fragments |
B. Permease | 2. Peptide Bond Formation |
C. Ligase | 3. Hydrolysis of Lactose |
D. Ribozyme | 4. Increases permeability to Beta-galactosidase |
A-2, B-1, C-4, D-3
A-3, B-2, C-1, D-4
A-2, B-4, C-1, D-3
A-1, B-2, C-4, D-3
Which one of the following structural formula of two organic compounds is correctly identified along with its related function?
B-uracil – a component of DNA
A-triglyceride – major source of energy
A-lecithin – a component of cell membrane
B-adenine – a nucleotide that makes up nucleic
Which one out of (a) to (d) given below correctly represents the structural formula of the basic amino acid?