DNA Basics 2024-25

DNA BASICS -

Multiple Choice

What type of biomolecule is DNA?

• Nucleic acid
• Lipid
• Carbohydrate
• Protein

Reorder

Reorder the following from largest to smallest.

• NUCLEUS

• CHROMOSOME

• DNA

• GENE

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

How does DNA fit into chromosomes?

• DNA is stored in the mitochondria, not in chromosomes.
• DNA is a liquid that fills the chromosome structure.
• DNA fits by coiling around into a structured form.

• Chromosomes are made entirely of RNA, not DNA.

Multiple Choice

Who was the first person to discover DNA?

• Francis Crick
• James Watson
• Rosalind Franklin
• Friedrich Miescher

Multiple Choice

Who was the first person to view DNA in a microscope?

• Friedrich Miescher
• Rosalind Franklin
• Francis Crick
• James Watson

Multiple Choice

Who was the first person to discover the shape of DNA?

• Friedrich Miescher

• James Watson and Francis Crick
• Charles Darwin
• Rosalind Franklin

Multiple Choice

How are DNA and proteins related?

• DNA encodes the instructions for synthesizing proteins.

• Proteins are the primary source of genetic information.
• Proteins can replicate DNA during cell division.
• DNA is made up of proteins that determine traits.

Multiple Choice

Proteins create most traits.

• True

• False

Fill in the Blank

DNA is a long molecule made up of ________ individual units of monomers called __________.

,

Multiple Choice

Why are hydrogen bonds found in DNA?

• Hydrogen bonds create the sugar-phosphate backbone of DNA.
• Hydrogen bonds are responsible for DNA replication.
• Hydrogen bonds are involved in protein synthesis.
• Hydrogen bonds stabilize the base pairs in the DNA double helix.

Fill in the Blank

Adenine (A) always pairs with ________ (T)

Guanine (G) always pairs with ________ (C)

,

Multiple Choice

The sequence in our base pairs is our genetic code.

• True

• False