Advertisements
Advertisements
Question
Give appropriate biological or technical terms for the following :
The complex consisting of a DNA strand and a core of histones
Advertisements
Solution
The complex consisting of a DNA strand and a core of histones is known as a nucleosome.
APPEARS IN
RELATED QUESTIONS
Given below is a diagram of a human blood smear.
Study the diagram and answer the questions that follow:

a) Name the components numbered ‘1’ to ‘4’
b) Mention two structural differences between the parts ‘1’ and ‘2’.
c) Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.
d) What is the average lifespan of the component numbered ‘1’ ?
e) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain
With which human organ system (or human systems) is the vena cava associated?
Which side of the heart (left or right) contains oxygenated blood?
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
Match the items given in Column A with the most appropriate ones in Column B and REWRITE the correct matching pairs :
Column A Column B
(i) Cranial nerves Testosterone
(ii) Leydig cells Natural reflex
(iii) Acetylcholine 12 pairs
(iv) Spinal nerves Prolactin
(v) Sneezing Neurotransmitter
- 18 pairs
- 31 pairs
- Conditioned reflex
Explain the structure and function of human blood.
In which organ of our body does blood get oxygenated?
How many litres of blood does an adult human body have?
Serum differs from blood in lacking ____________.
Assertion (A): RBCs help in the transport of respiratory gases.
Reason (R): The cytoplasm of RBCs contains the respiratory pigment Haemoglobin.
