Cells

Question 1

What are cells?

Answer 1

Smallest living unit
Most are microscopic

Question 2

Who discovered cells

Answer 2

Robert Hooke (mid 1600s)
Observed cork

Question 3

Cell theory

Answer 3

All living things are made of cells
All cells come from cells
Cells are the smallest unit of life

Question 4

Characteristics of all cells

Answer 4

A surrounding membrane
Cytoplasm
Organelles
Control center of dna

Question 5

What are the cell types

Answer 5

Prokaryotic and eukaryotic

Question 6

What is the plasma membrane

Answer 6

CELL MEMBRANE!!

Double layer of phospholipids and proteins

Question 7

What is a phospholipid

Answer 7

The fats that make up the cell membrane

Question 8

Movement across a plasma/cell membrane

Answer 8

It is semi permeable

Question 9

What does a membrane protein do?

Answer 9

transports stuff

Recognizes certain chemicals

Question 10

What types of membrane proteins are there?

Answer 10

Glycoproteins (identify cell type)
Enzymes (cartelized production of substances)

Question 11

Cell wall differences between plants and fungi

Answer 11

Plants are mostly cellulose
Fungi is mostly chitin

Question 12

Cilia

Answer 12

Little hairlike thingys on the outside of cells

Question 13

Flagella

Answer 13

Sperm tails

Question 14

Centrioles

Answer 14

Pairs of micro tubular structures
Play a role in cell division

Question 15

Nuclear envelope

Answer 15

Separates nucleus from the rest of the cell
Double membrane
Has pores

Question 16

Nucleolus

Answer 16

Most cells have two or more

Forms ribosomes

Question 17

Golgi bodies

Answer 17

Packaging and shipping center of the cell

Question 18

Lysosomes

Answer 18

Helps with cell renewal
Breaks down old cell parts

Question 19

Vacuoles

Answer 19

Storage sacs
Garbage dump

Question 20

What are the 2 bacteria like organelles

Answer 20

Mitochondria (release energy)
Chloroplasts (store energy)

Question 21

Mitochondria

Answer 21

Have their own dna
Bound by their own membrane