science

Question 1

Cell theory?

Answer 1

1. all living things are made of one or more cells
2. cells are the basic unit of life
3. all cells come from pre existing cells

Question 2

two main types of cell?

Answer 2

1. prokaryote - no nucleus
2. eukaryote - nucleus

Question 3

organelle?

Answer 3

a cell structure that preforms a specific function

Question 4

organelle functions

Answer 4

1. cytoplasm
2. cell membrane
3. nucleus
4. dna
5. mitochondria
6. endoplasmic reticulum
7. golgi appratus
8. vacuoles
9. cell wall
10. chloroplasts

Question 5

cell division?

Answer 5

1. for reproduction - asexual and sexual
2. for growth
3. for repair

Question 6

diffusion?

Answer 6

transport chemicals into and out of cell from high concentration to low concentration

Question 7

osmosis

Answer 7

movement of fluid to area of high concentration

Question 8

3 stages of cell cycle

Answer 8

1. interphase
2. mitosis
3. cytokinesis

Question 9

mitosis?

Answer 9

1. prophase
2. metaphase
3. anaphase
   4.telophase

Question 10

6 stages of cell cycle

Answer 10

1. interphase
2. prophase
3. metaphase
4. anaphase
5. telophase
6. cytokinesis

Question 11

cancer?

Answer 11

group of diseases resulting in uncontrolled cell division

Question 12

tumour?

Answer 12

mass of cells continueing to grow/divide

Question 13

benign tumour?

Answer 13

crowds the surroundig tissue

Question 14

malignant tumour?

Answer 14

interferes with functioning of surrounding cells.

Question 15

metastasis?

Answer 15

cancer cells break away from tumour and makes another tumour.

Question 16

mutation?

Answer 16

random change of dna

Question 17

pap test?

Answer 17

test taking sample of cervical cells to see if they are growing abnormally

Question 18

biophotonics?

Answer 18

using light energy to diagnose, moniter, and treat living cells and organisms

Question 19

specialized cell?

Answer 19

a cell preforming specific function. ex red blood cells are smooth so they can go through blood vessels easily.