B1- Cell Biology [1]

Question 1

Name either type of cell

Answer 1

Eukaryotic and prokaryotic

Question 2

What is a prokaryotic cell

Answer 2

Single celled organism

Question 3

Name things plant cells have that animal cells don’t

Answer 3

Chloroplast, vacuole, cell wall

Question 4

How is bacteria DNA stored in a cell

Answer 4

As a single strand

Question 5

What are the other small rings of DNA in a bacteria cell called

Answer 5

Plasmid

Question 6

Name both types of microscopes

Answer 6

Light microscope and electron microscope

Question 7

What microscope has a higher magnification power

Answer 7

Electron microscope

Question 8

CAN YOU DO THIS?

Answer 8

YES😻

Question 9

How do you prepare an onion slide for a microscope

Answer 9

1. Add drop of water onto slide
2. Peel of epidermal tissue off an onion layer and add to slide
3. Add a drop of iodine solution (allows you to see it clearer)
   4.clover slip and avoid trapping air bubbles

Question 10

How to prepare a light microscope

Answer 10

1. Clip slide on
2. Set to lowest lense
   3.look down and use knob into adjust the focus
   4.Eventually increase magnification and adjust focus

Question 11

What is a differentiated cell

Answer 11

A cell that changes to fit a specific job

Question 12

When does an animal cell lose its ability to differentiate

Answer 12

Early fetal state

Question 13

Name another type of differentiated cell

Answer 13

A stem cell

Question 14

Name examples of differentiated cells

Answer 14

Sperm cell, xylem, phloem, root hair cell, nerve cells and muscle cells

Question 15

How many pairs of chromosomes does a nucleus contain

Answer 15

23

Question 16

What can embryonic cells turn into

Answer 16

ANY CELLLLL

Question 17

Where a stem cells found in adults

Answer 17

Bone marrow

Question 18

What are the medical risk of lab stem cells

Answer 18

The lab could be contaminated by a virus so could make people sicker

Question 19

Define diffusion

Answer 19

The movement of particles from a high to low concentration

Question 20

Name molecules that can enter and diffuse in a cell

Answer 20

Oxygen, glucose,amino acids and water

Question 21

The larger the surface area the..

Answer 21

Faster the diffusion rate

Question 22

Define osmosis

Answer 22

The movement of particles from a high to low concentration through a PARTIALLY PERMEABLE membrane

Question 23

What vegetable do you use in an osmosis experiment

Answer 23

Potato

Question 24

What is the IV in the super starch solution

Answer 24

Different sugar solutions

Question 25

Define active transport

Answer 25

The movement of particles from a low to high concentration using energy

Question 26

What movement of particles requires energy

Answer 26

Active transport