2.4 the nucleus

• Biologie
• Middelbare school
• mavo, havo, vwo
• Leerjaar 1

start task 'nucleus'

Copy the learning objectives from page 116 into your zuidschrift:

You can name the features of chromosomes.

You can describe the structure and function of DNA.

No Chromebook needed.

planning

1. Review: parts of cells           10
2. Reading + taking notes       20
3. Completing assignments   10
4. Wrap-up                                        2

Do this exercise on your own.

Start without using your book.

Then, look up the parts you didn’t know.

Discuss the assignment with your neighbour.

Do you have the same answers?

Answers

1 nucleus

2 nuclear membrane

3 cytoplasm

4 cell membrane (left)

11 nucleus

12 nuclear membrane

13 cytoplasm

14 cell membrane

15 cell wall

16 vacuole

18 chloroplast

Plant cells & animal cells

the nucleus (de celkern)

chromosomes

• Long, thin threads in the cell nucleus
• 46 in each body cell
• Contain information: blueprint and instructions for the cell
• Mostly made of DNA

chromosomes

chromosomes --> DNA

DNA

Inherited characteristics

Recipe to build an organism

DNA

• 2 strands with bases in between
• 4 bases: A-T + C-G
• Contains information for hereditary traits

Independent learning

Complete exercises 1 to 10 (skip 6).

Use the text and images from section 5.

You may work quietly with your neighbour.

Finished early? Test yourself in BVJ online.