DNA and inheritance

These building blocks consist of a sugar, phosphate, and nitrogen base.

• Ribose

• Nucleotide

• Gene

A section of DNA that codes for a specific protein

• Amino acids

• gene

• tRNA

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Why is DNA important?

• It gives each cell instructions on how to make proteins.

• It is what the cell membrane is made of.

• It helps the cell use water.

• It is food for the cell.

DNA acts like a(n )__________________ for our traits.

• instruction manual

• nucleus

• cell

• gene

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

The drawing shows the structure of what molecule?

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

The shape of a DNA molecule is said to be a _____

what provides the instructions to make proteins?

Which of the following letters does NOT exist in DNA code?

• T

• A

• C

• W