IQ2

Question 1

What is Watson’s and Crick’s discovery on DNA?

Answer 1

DNA is double stranded, helical molecule with each strand being a template for the other.

Question 2

What are Genes

Answer 2

It’s a segment of DNA that codes for a specific phenotypic trait.

Question 3

Name the 4 phases in Mitosis

Answer 3

Interphase, Anaphase, Prophase and Metaphase

Question 4

What is Mitosis

Answer 4

Growth and Repairing cell division

Question 5

What is the Interphase about

Answer 5

1. The cell grows and develops.
2. Chromosomes (DNA) are copied

Question 6

What is Anaphase

Answer 6

1. Chromosomes divide into two sets
2. Each half or set is pulled away to opposite sides of the cell

Question 7

What is Prophase

Answer 7

1. Chromosomes are visible
2. Nuclear membrane disappears
3. Nucleolus dissappears

Question 8

What is Metaphase

Answer 8

1. Spindle Fibres attach to chromosomes
2. Chromosomes line up across the centre of the cell

Question 9

What is Meiosis

Answer 9

Cell division that produces sex cells. This results in 4 daughter cells.