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Understanding Chromosomes in Living Organisms

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Questions and Answers

What is the primary function of chromosomes?

To provide structural support to the cell
To store and transmit genetic information (correct)
To regulate cellular metabolism
To produce enzymes for cellular processes

Where are chromosomes located within a eukaryotic cell?

In the nucleus (correct)
In the cell membrane
In the cytoplasm
In the mitochondria

What is the primary component of chromosomes?

Lipids
Proteins and DNA (correct)
RNA
Carbohydrates

What is the purpose of compacting DNA into chromosomes?

To fit the long DNA molecules into the nucleus (A) Signup and view all the answers

What is the name of the protein around which DNA wraps to form a chromosome?

Histones (C) Signup and view all the answers

How many chromosomes do humans have in total?

46 (B) Signup and view all the answers

What is the name given to the complex formed by eight histones together?

Nucleosome (B) Signup and view all the answers

What is the main purpose of chromosomes?

All of the above (D) Signup and view all the answers

Which of the following is NOT one of the four types of chromosomes based on the location of the centromere?

Isochromosome (C) Signup and view all the answers

What is the shape of a metacentric chromosome?

V-shaped (D) Signup and view all the answers

Which of the following human chromosome pairs are considered acrocentric?

14, 15, and 21 (D) Signup and view all the answers

What is the purpose of a karyotype?

To identify genetic abnormalities in an individual's chromosomes (D) Signup and view all the answers

What is the difference between the p arm and the q arm of a chromosome?

The p arm is shorter than the q arm (D) Signup and view all the answers

What is the function of the centromere in a chromosome?

Both a and b (C) Signup and view all the answers

Which of the following statements about telocentric chromosomes is true?

They are not found in humans (B) Signup and view all the answers

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