Amoeba Sisters Video Recap: DNA Replication

To understand DNA replication, we need to understand the “why.” Why does DNA need to replicate before cells divide?

• So that each cell has a full copy of DNA

• So that each cell has half a copy of DNA

• So that each cell has a no copies of DNA

• So that each cell has a different copies of DNA

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

use the image to answer the questions

How many Deoxyribose (sugar).

Total number in image?

• 6

• 3

• 1

• 2

use the image to answer the questions

How many Hydrogen bonds?

Total number in image?

• 6

• 3

• 1

• 2

use the image to answer the questions

How many adenine?

Total number in image?

• 6

• 3

• 1

• 2

use the image to answer the questions

How many thymine?

Total number in image?

• 6

• 3

• 1

• 2

use the image to answer the questions

How many cytosine?

Total number in image?

• 6

• 3

• 1

• 2

use the image to answer the questions

How many guanine?

Total number in image?

• 6

• 3

• 1

• 2

is this an image of...

• DNA

• RNA

Tags

NGSS.HS-LS1-1

What does the enzyme Helicase do?

• unzips the 2-strand DNA into single strand

• builds a new set of DNA

• shows way for Polymerase, creates primer

• glues fragments of DNA together

What does the enzyme DNA Polymerase do?

• unzips the 2-strand DNA into single strand

• builds a new set of DNA

• shows way for Polymerase, creates primer

• glues fragments of DNA together