DNA Structure

​DNA

Structure​

Structure and Function​

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Match

Match the following

• cell growth

• DNA Replication

• G₁, S, G₂

• cell division

• division of nucleus

G₁

S

Interphase

M Phase

Mitosis

• G₁

• S

• Interphase

• M Phase

• Mitosis

Multiple Select

Interphase consists of which 3 subphases?

• G1 Phase

• Mitosis

• G2 Phase

• Cytokinesis

• S Phase

Multiple Choice

When does the cell’s DNA replicate?

• G1 phase

• S phase

• G2 phase

• M phase

Understand the structure of DNA and the rule of base pairing. ​

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​- Biomolecule: nucleic acid

• codes for genetic information

• Nucleotide: ​phosphate group, sugar, nitrogenous base

• 2 types: DNA and RNA​

​

​Chromosomes

• one long continuous thread of DNA that consists of numerous genes along with regulatory information

• human ​body cells have 46

​

​

​DNA wraps at regular

intervals around pro-

teins called histones,

forming chromatin - similar to beads on a string

​Base Pairing Rule: the bases of the two DNA strands always pair up

in the same way.

​

thymine (T) always pairs with adenine (A)

(A​=T)

​

cytosine (C) always pairs with guanine (G)

(C≡G)

Multiple Choice

DNA is made of which biomolecule?

• Nucleic Acid

• Protein

• Carbohydrate

• Lipid

Multiple Choice

DNA is located inside which organelle?

• Endoplasmic Reticulum

• Golgi

• Ribosome

• Nucleus

Match

Match the Following: Base Pairing Rule

• A

• C

• T

• G

T

G

A

C

• T

• G

• A

• C

Match

Match the following: Base Pairing Rule

• Adenine

• Cytosine

• Thymine

• Guanine

Thymine

Guanine

Adenine

Cytosine

• Thymine

• Guanine

• Adenine

• Cytosine

Understand the structure of DNA and the rule of base pairing. ​

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Multiple Select

Who were the 3 contributors of discovering the double helix shape of DNA?

• Rosalind Franklin

• Francis Crick

• James Watson

• Erwin Chargaff

Multiple Choice

Who is the founder of the Base Pairing Rule?

• Rosalind Franklin

• Francis Crick

• James Watson

• Erwin Chargaff

Understand the structure of DNA and the rule of base pairing. ​

​

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Review the structure of DNA, the rule of base pairing, and history of DNA.​

​

​We Will...

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