5.3 DNA and Genes

• Biologie
• 9th Grade

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Thinking Points:

What is the structure of DNA?

Why is DNA so important?

01:20

Which is correct?

1. DNA --> RNA --> Proteins
2. RNA --> DNA --> Proteins
3. Proteins --> RNA --> DNA
4. Proteins --> DNA --> RNA

01:55

Which cell type does not contain DNA?

1. Skin cells
2. White blood cells
3. Sex cells
4. Red blood cells

02:13

A nucelotide is made up of...

1. a phosphate, a protein and a base
2. a phosphate, a sugar and a base
3. a protein, a sugar and a base
4. a nucleus, a sugar and a base

02:26

which 2 bases always paire together?

1. A -T and C - G
2. A - C and T - G

02:35

The DNA backbone is made up of...

1. Phosphates and bases
2. Phosphates and sugars

WB page 140

QUESTIONS 13 AND 14

Question 13

A - T - C - C - A - A - T - G - T - G - A - C

Question 14

a. 

b. 

00:50

Remember? Amino acids are what you get when you break down...

1. Carbohydrates
2. Fats
3. Proteins
4. DNA

01:28

Amino acids make up proteins, which make up ..... which make up tissues.

02:25

What are these four 'coloured letters', G, A, T and C, collectively called?

03:33

How many letters does the ribosome read at a time?

WB page 140

QUESTIONS 9 till 12