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Chromosomes, DNA & Genes Overview

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Questions and Answers

What is the function of the cell nucleus most similar to?

The control center of a factory (correct)

A recycling center for waste

A storage room for all cell materials

A delivery system of proteins

Which of the following is the correct order of organization within a cell, from largest to smallest?

DNA, Chromosome, Nucleus, Cell

Chromosome, DNA, Nucleus, Cell

Cell, Chromosome, Nucleus, DNA

Cell, Nucleus, Chromosome, DNA (correct)

When do chromosomes exhibit their typical 'X' shape?

Only when cells are dormant

Right before cell division occurs (correct)

During DNA replication

During regular cell functions such as energy production

If DNA is like a cookbook, a gene could be compared to a:

Single recipe within the cookbook (A) Signup and view all the answers

What is the primary function of a gene?

To provide codes for making specific proteins (B) Signup and view all the answers

How many cells are approximately in the human body, according to the fun fact?

37.2 trillion (B) Signup and view all the answers

Which of the following best describes the relationship between DNA and chromosomes?

A chromosome contains a single DNA molecule. (C) Signup and view all the answers

What is the function of a cell?

To carry out all the basic functions of life (C) Signup and view all the answers

Study Notes

Chromosomes, DNA & Genes

A cell is the smallest living unit that performs all life functions.
Cells contain a tiny, living factory that processes nutrients, produces energy, and reproduces.
The human body has approximately 37.2 trillion cells.
The nucleus is the control center of a cell, storing genetic information.
Chromosomes are structures within the nucleus.
Chromosomes consist of a single DNA molecule.
DNA's shape resembles a cross when cells divide.
DNA is like a set of instructions for living organisms.
Genes are sections of DNA that tell cells how to build proteins.
Genes are like recipes in a cookbook.
Each recipe (gene) creates a unique dish (protein).
The organization of a gene can be traced from the nucleus, to chromosomes, then to DNA.
A human body cell contains 46 chromosomes (23 pairs).
Each pair of chromosomes contains the same types of genes.
The 23rd pair determines sex.
Females have two X chromosomes (XX).
Males have one X and one Y chromosome (XY).

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Description

Explore the fundamental concepts of chromosomes, DNA, and genes in this quiz. Learn about the role of the cell, the structure of DNA, and how genes function as instructions for building proteins. Test your understanding of these vital biological components!