Intro to DNA

Where is DNA found?

• Chromosomes

• Nucleus

• Blood

• Genes

How many chromosomes do we get from EACH parent?

• 46

• 100

• 23

• 13

Tags

NGSS.HS-LS3-1

Most of the time your DNA is

How many bases do we have?

• 3

• 2

• 4

• 5

How many strands of DNA do we have?

• 2

• 3

• 4

• 5

This picture shows the physical structure of a DNA molecule. What is the name of this structure?

• double ladder

• twisted spiral

• double helix

• spiral twist

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NGSS.HS-LS1-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

Which of the following statements are true about DNA. CHECK ALL THAT APPLY!

• DNA contains genetic information.

• The order and sequence of adenine, thymine, guanine and cytosine determine an organism's genetic code.

• All living things have DNA.

• DNA is found on chromosomes located in the nucleus of cells.

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NGSS.MS-LS3-1

NGSS.MS-LS3-2

NGSS.MS-LS4-4

DNA can have forensic value even if it is decades old.

• true

• false

Replicate the following strand of DNA. (Hint: Match the nucleotide pairs. You did this when you created your DNA molecule.)

AATCATGGA

• AATCATGGA

• TTAGTACCT

• UUAGUACCU

• GGATAUCUA

Tags

NGSS.HS-LS1-1