DNA and Genes

The drawing shows the structure of what molecule?

• A DNA molecule
• A lipid molecule
• A carbohydrate molecule
• A protein molecule

Tags

NGSS.HS-LS1-1

Which of the following best describes the shape of a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

What are sections of DNA called?

• DNA

• Genes

• Chromosomes

• Nucleus

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

How many pairs of chromosomes do humans have?

• 21

• 22

• 23

• 24

The number of human chromosomes is

• 23

• 46

• 92

• 64

What is the definition of a genome?

• The entire genetic material of that organism.

• The DNA in the nucleus

• The genes of an organism

• The number of chromosomes of an organism

Where can genetic material be found in a cell?

• Only the nucleus

• Nucleus, mitochondria and choroplasts

• Only the mitochondria

• Only the cytoplasm

Why type of molecule is DNA?

• Monomer

• Polymer

• Fullurene

• Triangular

What is DNA stored on in the nucleus?

• Genes

• Chromosomes

• Pairs

• Atoms

What is a gene?

• Small section of DNA on a chromosome

• A protein

• All the DNA on a chromosome

• The complete set of genetic material of an organism