Prof. Holderbaums Micro Class Ch. 3 Cell Structure And Function

Front 1

What are some characteristics of life?

Back 1

1)Growth
2)Reproduction
3)Responsiveness
4)Metabolism

Front 2

How are living things organized?

Back 2

The presence or absence of a nucleus

Front 3

____ lack a membrane bound cell nucleus.

Back 3

prokaryotes

Front 4

True/False
All bacteria are classified as prokaryotes.

Back 4

True

Front 5

The nucleus in _____ contains the DNA required for replication and formation of proteins.

Back 5

eukaryotes

Front 6

Structures found within the cytoplasm (the inside part) of the cells are known as _____.

Back 6

organelles

Front 7

Cell walls are made of _____, a complex sugar-amino acid compound which covers the entire surface of a prokaryotic cell.

Back 7

peptidoglycan

Front 8

Bacterial cells walls are either ____or ____.

Back 8

gram positive; gram negative

Front 9

A gram negative organism stained with methylene blue would look ____ in color.

Back 9

pink

Hint 9

This is due to the counterstain, eosin

Front 10

A ______ organism stained with methylene blue would appear blue to black in color.

Back 10

gram positive

Front 11

True/False
Some gram positive organisms include tuberculosis and leprosy

Back 11

True

Front 12

True/False
Endotoxin is released from gram negative bacteria when the cell wall disintegrates.

Back 12

True

Hint 12

LPS (lipopolysaccharide), also known as endotoxin causes vasodilation and thrombosis during infection

Front 13

______ is a sticky gelatinous substance surrounding the surface of some bacteria.

Back 13

Glycocalyx

Front 14

______ are long whiplike structures that extend through cell wall and glycocalyx and propel the cell through the environment.

Back 14

Flagella

Hint 14

they spin 360 degrees

Front 15

True/False
Fimbriae and pilli are sticky bristle like projections used by bacteria to adhere to surfaces.

Back 15

True

Front 16

True/False
Animal and protozoan eukaryotic cells lack cell walls.

Back 16

True

Front 17

True/False
Plant and fungal eukaryotes have cell walls.

Back 17

True

Front 18

A ______ flagella has a 9+2 microtubular arrangement, and does not rotate, but whips.

Back 18

eukaryotic

Front 19

____are hairlike structures shorter than flagella.

Back 19

Cilia

Front 20

True/False
The eukaryotic nucleus contains nucleoli, where some forms of RNA are synthesized.

Back 20

True

Front 21

__RNA is used as a pattern for protein synthesis in the rough endoplasmic reticulum.

Back 21

messenger

Front 22

____ is the site of lipid synthesis and transport.

Back 22

smooth endoplasmic reticulum

Front 23

The ____ is the structure responsible for preparing molecules synthesized in the cell for export outside the cell.

Back 23

golgi apparatus

Front 24

____ are double membrane bound organelles that contain the enzymes responsible for aerobic respiration by the cell. It also forms ATP.

Back 24

Mitochondria