Home
Class 12
BIOLOGY
A constriction on the chromosome is...

A constriction on the chromosome is

A

Centromere

B

Centresome

C

Centriole

D

Chromomere.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF THE CELL

    DINESH PUBLICATION|Exercise Check your Grasp|16 Videos
  • STRUCTURAL ORGANISATION IN ANIMALS

    DINESH PUBLICATION|Exercise Check your grasp|10 Videos
  • THE CELL : THE BASIC UNIT OF LIFE

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|11 Videos

Similar Questions

Explore conceptually related problems

The centromere or primary constriction of the cromosome contains ring of protein that are intimately associated with a spindle fibre. These ring are called

Secondary constriction in chromosome is referred to as

Assertion :- Secondary constriction is called as NOR. Reason:- Nucleolus is associated with secondary constriction of chromosome.

Assertion :- Every chromosome essentially has a primary constriction or the centromere. Reason:- On sides of centromere disc shaped structure called kinetochore are present.

Read the following four statements (i -iv) (i) Every chromosome essentially has a primary constriction or the centromere. (ii) During different stages of cell division, cells show structured chromosomes in place of the nucleus . (iii) Nuclear pores are the passages through which movement of RNA and Protein takes place in one direction between the nucleus and cytoplasm. (iv) Chromatin contains DNA, some basic proteins called histone adn RNA only . How many of the above statement are

Read the assertion and reason carefully to mark the correct option in question. Assertion: Every chromosome essentially has a kinetochore on the sides of which centromeres are present. Reason: Based on the position of centromere or primary constriction chromosomes can be classified into five types.

in which of the following disease, does constriction of smooth muscle in the Wall of bronchioles occur?

L-shaped chromosomes are called " " Or When the chromosome has a centromere nearer to one end of the chromosome resulting into one shorter and one longer arm, the chromosome is termed as

When the chromosome has a centromere nearer to one end of the chromosome resulting into one shorter and one longer arm, the chromosome is termed as