The function of DNA is:

• To store genetic information

• To provide energy for the cell

• To transport oxygen in the blood

• To break down nutrients

Tags

NGSS.HS-LS1-1

List the genetic levels of organization in order:

• Base, DNA, Gene, chromosome, nucleus.

• Gene, base, DNA, chromosome, nucleus.

• Chromosome, DNA, gene, base, nucleus.

• Nucleus, chromosome, DNA, gene, base.

A DNA molecule is characterized by which of the following features?

• Single-stranded structure and random base pairing

• Double helix structure and complementary base pairing

• Triple helix structure and identical base pairing

• Linear structure with no base pairing

DNA replication is the process by which:

• Proteins are synthesized from amino acids

• DNA makes an exact copy of itself

• RNA is converted into DNA

• Cells divide to form new cells

Look at the DNA Reference Sheet. Which of the following shows the correct order from largest to smallest:

• A) Organism → Organs → Tissue → Cell → Chromosome → Gene → DNA → Nucleotides

• B) DNA → Gene → Chromosome → Cell → Small Intestine Lumen → Intestines → Person → DNA Base Pairs

• C) Person → Chromosome → Intestines → Cell → Gene → DNA → Small Intestine Lumen → DNA Base Pairs

Tags

NGSS.HS-LS1-2

Look at the DNA Reference Sheet. What is the smallest structure shown in the sequence?

• DNA Base Pairs (A, T, C, G)

• Chromosome

• Nucleus

• Cell

Tags

NGSS.HS-LS1-1

Look at the DNA Reference Sheet. Which structure contains the nucleus, cytoplasm, and ribosomes?

• Cell

• Nucleus

• Chromosome

• Mitochondrion

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following is NOT a component of DNA base pairs?

• A) A

• B) T

• C) X

• D) G

In 1953, who helped to identify DNA structure with X rays?

• Watson and Crick

• Rosalind Franklin

• F. Sanger

• Gregor Mendel

In 1953, Watson and Crick discovered that the DNA molecule is a _________.

• 3D double helix

• single-stranded spiral

• linear chain

• triple helix

Tags

NGSS.HS-LS1-1