T2 B6 HV

B6 Cell division
  • Stuff on your desk
       Book, notebook, pencilcase
  • Bag on the floor
  • Read pgs. 122-124
timer
3:00
Goals
  • You can describe how a cell divides
  • You can name the features of stem cells
1 / 15
suivant
Slide 1: Diapositive
BiologieMiddelbare schoolhavo, vwoLeerjaar 1

Cette leçon contient 15 diapositives, avec quiz interactifs, diapositives de texte et 1 vidéo.

time-iconLa durée de la leçon est: 45 min

Éléments de cette leçon

B6 Cell division
  • Stuff on your desk
       Book, notebook, pencilcase
  • Bag on the floor
  • Read pgs. 122-124
timer
3:00
Goals
  • You can describe how a cell divides
  • You can name the features of stem cells

Slide 1 - Diapositive

Today
  • Recap
  • Cell division
  • Stem cells
  • Time for hw
  • End

Slide 2 - Diapositive

A person who researches Stomach problems, mostly works on the level of:
A
Cell
B
Tissue
C
Organ
D
A, B and C combined

Slide 3 - Quiz

What is NOT something plant roots do
A
Making food
B
Storing food
C
Taking up water
D
Anchoring the plant

Slide 4 - Quiz

You look at cells from the eye of an unknown organism. You count 36 chromosomes in its nucleus. How much chromosomes do you expect to find in a cell of this organisms feet?
A
Less
B
more
C
the same amount
D
It's impossible to tell

Slide 5 - Quiz

What part of a cell stores water?
A
Cytoplasm
B
Nucleus
C
Vacuole
D
Cell membrane

Slide 6 - Quiz


Slide 7 - Question ouverte

Cell division
Cell division is happening constantly in your body:
  • 3,5 kg of new skincells every year
  • 200.000.000.000 new bloodcells every day
Cells also die a lot!
  • More new cells than dead cells > growth

Slide 8 - Diapositive

Cell cycle
parent cell
daughter cell
daughter cell

Slide 9 - Diapositive

Cell cycle
  • 1 daughter cell > specialised cell > heartcell, musclecell, bloodcell, etc.
  • 1 dochtercel > stem cell > parent cell
  • Stem cells can divide into new cells
  • Stem cells don't specialise
skin cells
nerve cell
blood cells
stem cell

Slide 10 - Diapositive

Slide 11 - Vidéo

A human stem cell divides.
The daughtercells are called cell A and cell B.
How many chromosomes are in cell A? (only use numbers)

Slide 12 - Question ouverte

Cell A is a stem cell.
Cell A divides into cell B and C.
Cell B becomes a liver cell.
What happens with cell C?
A
Becomes a liver cell
B
Becomes a body cell
C
Becomes a stem cell
D
Impossible to tell

Slide 13 - Quiz

Let's work!
Do the assignments of 2.6!
Done? Do your homework for an other subject. 

Slide 14 - Diapositive

Tidy Duty
Today these people are on tidy duty
  • Desks: empty and straight
  • Chairs:  underneath the desks
  • Floor: no rubbish

Slide 15 - Diapositive