Homeostasis, Cell Struc. & Function

Question 1

Homeostasis

Answer 1

homeostasis is the state of steady internal physical and chemical conditions

Question 2

What are some examples of Homeostasis

Answer 2

Body heat temp

The volume of body water

Question 3

Organization

Answer 3

To keep organized

Question 4

Cell

Answer 4

Is the basic structural and functional unit of all living things.

Question 5

Cell theory

Answer 5

All organisms are composed of one of more cells.
Cells make up all organisms
You cant make cells

Question 6

Describe how cell diversity began

Answer 6

Eukaryotic cells evolved from prokarytic cells. Since eukaryotic cells are more complex they develop specific functions; from those functions came cell diversity.

Question 7

Define selective permeability in a plasma membrane sense .

Answer 7

Can control what goes in and out of the cell.

Question 8

Describe a phospholipid bi layer

Answer 8

is a thin polar membrane made of two layers of lipid molecules

Question 9

What devolves a polar substance

Answer 9

Any polar substance.

Question 10

Define cell Theory

Answer 10

3 parts
cell comes from a cell
cells are the basic structure of all living things
all living things are made of cells

Question 11

What is the function of the plasma membrane

Answer 11

The plasma membrane controls what goes in and out.

Question 12

What are two basic types of cells

Answer 12

Prokaryotic and eukaryotic

Question 13

Difine organelles

Answer 13

Specialized structures that perform specific cell functions

Question 14

What is the difference between eukaryotic and prokaryotic cells

Answer 14

prokaryotic cells do not have a nucleus or membrane-bound organelles

Question 15

What is the difference between eukaryotic and prokaryotic cells

Answer 15

prokaryotic cells do not have a nucleus or membrane-bound organelles

Question 16

What does endosymbiotic theory propose

Answer 16

the symbiotic relationship between two prokaryotic cells when one lives inside the other

Question 17

What is a cytoplasm

Answer 17

Fluidity material

Question 18

Cytoskeleton

Answer 18

Supports organelles

Question 19

Micro tubules

Answer 19

protein cylinders that form a skeleton

Question 20

What dose the nucleus do

Answer 20

stores DNA that makes proteins that determine cell growth

Question 21

Ribosomes

Answer 21

organelles that manufacture proteins, not membrane-bound

Question 22

Golgi apparatus

Answer 22

flattened stack of membranes that modifies, sorts, and packages proteins

Question 23

vacuole

Answer 23

sac used for temporary storage

Question 24

Lysosomes

Answer 24

vesicles that contain substances that digest

Question 25

Centrioles

Answer 25

are organelles made of groups of microtubules

Question 26

Mitochondria

Answer 26

Power house of the cell

Question 27

major factor of homeostasis

Answer 27

Regulating the flow and amount of water into and out of a cell is an
important factor

Question 28

Osmosis

Answer 28

The diffusion of water across a selectively permeable

membrane

Question 29

dynamic equilibrium

Answer 29

a state of balance between continuing processes

Question 30

who first used the term “cell”

Answer 30

Robert Hooke

Question 31

anton van leeuwenhoek

Answer 31

first to observe bacteria

Question 32

Things that all cells have

Answer 32

DNA, plasma membrane, Mitochandria

Question 33

Phospholipid bilayer is made of the

Answer 33

fluid region and poler heads