DIRT – 5 mins Dedicated Improvement and Reflection Time

DIRT – 5 mins Dedicated Improvement and Reflection Time

1) Make corrections • Spelling errors – re write 3 times.• Grammar – rewrite x1 • Punctuation – rewrite x1

2) Read comments and act on them.

Answer questions, make corrections / amend equations.Extend answers or add new ideas.

Success criteria:Describe / explain what you need to do to make progress.

Home learning

H/L due today – question on phototropism

H/L out today 1-15 of spellings and definitions. (mini test wed 16th Jan)

DNA

What does DNA look like?

Starter: complete the past paper question on mitosis and meiosis.

QUESTION REVEALWill you get an easy or a hard one?10 seconds to answer:

Give a simple description of mitosis.

What is a clone? How many Chromosomes do human cells have?

What do genes code for?

Where is DNA found?

Name the 2 types of gamete.

How many daughter cells are produced by mitosis?

How many daughter cells are produced by meiosis ?

What is a zygote?

1 3

4 5 6

7 8 9

2

Learning Outcomes 1) Name the location of DNA in a cell

2) Describe the basic structure of DNA

3) Explain how the structure of DNA is related to its function

Think – Pair – Share

This is the image that Watson and Crick used to describe the structure of DNA. What would you conclude?

How close were they?

Task – Making DNA

Task

Write a description of DNA to go with Watson and Cricks model of DNA, to go in museum.

Plenary

• Complete your revision card for DNA structure.

• Include : Watson and Crick, the double Helix, 2 strands, 4 bases…

Practical – extracting DNA from onions.