DNA structure and function

Is this a picture of DNA? Why?

• Yes, because the molecule is single stranded

• No, because the molecule is double stranded

• No, because the molecule is single stranded

• Yes, because the molecule is double stranded

Tags

NGSS.HS-LS1-1

DNA is important for cellular function because DNA:

• Is the major part of the cytoplasm

• makes energy

• Gives directions to make proteins

• Is a structural component of cell membranes

Tags

NGSS.HS-LS1-1

The traits of organisms is determined by

• Sequence of bases in DNA

• Number of amino acids

• Number of ribosomes

• Sequence of the phosphate group

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which molecule is most responsible for determining an organism’s eye color and body structure?

• Complex starch

• Carbohydrate

• Fatty acid

• DNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the four nitrogen bases present in DNA?

• adenine, lysine, guanine, cytosine

• adenine, uracil, guanine, cytosine

• cytosine, thymine, lysine, adenine

• cytosine, guanine, thymine, adenine

Tags

NGSS.HS-LS1-1

Where is genetic information that is passed from parent to offspring contained?

• chromosomes

• cytoplasm

• lysosomes

• Ribosomes

Tags

NGSS.HS-LS3-1

The twisted ladder shape of DNA is known as a

• Double Helix

• Triple Helix

• Single Helix

• Triple staircase

Which of the following is NOT a nitrogen base found in DNA?

• Thymine

• Uracil

• Guanine

• Adenine

Which organelle is DNA usually found in?

• mitochondrian
• cell membrane
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

DNA codes for...

• bases
• proteins
• amino acids
• phosphates

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6