Lesson 1D

Question 1

‘all plants are composed of cells’ , german botanist

Answer 1

Matthias Schleiden

Question 2

Discovered that animals are made of cells

Answer 2

Theodor Schwann

Question 3

German Pathologist discovered that are humans are made up of cells

Answer 3

Rudolf Virchow

Question 4

combined work of schleiden, schwann and virchow

Answer 4

Cell Theory

Question 5

The Cell Theory states that:

Answer 5

1. All living things are composed of a cell or cells.
2. Cells are the basic unit of life
3. All cells come from preexisting cells

Question 6

The 3 main region of cell

Answer 6

-Nucleus
-Plasma Membrane
-Cytoplasm

Question 7

4 elements that composed the cells

Answer 7

-Carbon
-Hydrogen
-Oxygen
-Nitrogen

Question 8

How many percent of water is the cell?

Answer 8

60-80%

Question 9

The control center of the cell

Answer 9

Nucleus

Question 10

3 regions of nucleus

Answer 10

-nuclear membrane
-nucleolus
-chromatin

Question 11

Barrier of nucleus

Answer 11

Nuclear Membrane

Question 12

a non-membrane bound organelle taking part in synthesis of ribosomes, including processing of rRNA and the assembly of them into ribosomes subunits

Answer 12

Nucleoli

Question 13

Composed of DNA and proteins

Answer 13

Chromatin

Question 14

Barrier for cell contents, doubke phospolipid layer

Answer 14

Plasma membrane

Question 15

Finger-like projections that increase surface area for absorption

Answer 15

Microvilli

Question 16

Material outside nucleus and inside the plasma mebrane

Answer 16

Cytoplasm

Question 17

Made of protein and RNA and attached to rough endoplasmic reticulum

Answer 17

Ribosomes

Question 18

Modifies and packages proteins

Answer 18

Golgi Apparatus

Question 19

Maintains cell shape

Answer 19

Cytoskeleton

Question 20

Rod-shaped bodies made of microtubules

Answer 20

Centrioles

Question 21

the means by which substances get through plasma membrane

Answer 21

Membrane transport

Question 22

What are the functions of membrane transport?

Answer 22

-cell reproduction
-protein synthesis

Question 23

The double phospolipid layers

Answer 23

Hydrophilic heads
Hydrophobic tails

Question 24

Homogeneous mixture of two or more components

Answer 24

Solution

Question 25

Components in smaller quantities within the solution

Answer 25

Solutes

Question 26

Dissolving medium; typically water in the body

Answer 26

Solvent

Question 27

Contains water, dissolved solutes, and suspended particles

Answer 27

Intracellular fluid

Question 28

Solution that bathes the exterior of our cell and contains thousands of nutrients

Answer 28

Interstitial Fluid

Question 29

Fluid outside the cells

Answer 29

Extracellular Fluid

Question 30

From high to low concentration

Answer 30

Diffusion

Question 31

What are the factors that influenced diffusion?

Answer 31

-steepness of the concentration gradient -temperature -mass of the diffusing substances -surface area -diffusion distance

Question 32

simple diffusion of water

Answer 32

Osmosis