Cells and Their Organelles Flashcards


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1

At what level of organization does life begin?

Celluar

2

What surrounds all cells?

Cell Membrane

3

What is meant by semipermeable?

Allowing some substance to pass into the cell and blocking

4

What two things make up the cell membrane?

Phospholipids and Embedded Proteins

5

The cell membrane is also called the?

Plasma Membrance

6

Centrioles are found inside of what type of cells?

Animal Cells

7

What additional layer is found around the outside of plant and bacteria?

Cell Wall

8

Centrioles are found in the center of what and how do they help?

Centrosome, divides and the two parts move to the opposite sides of the dividing cell.

9

Where is DNA found inside a cell?

Nucleus

10

What cell process is controlled by the nucleus?

Protein Synthesis

11

DNA coils tightly during division and assembles into visible?

Chromosomes

12

Where are organelles located?

Cytoplasm

13

Where are proteins made in a cell?

Ribosome

14

Do all cells need ribosomes?

Yes

15

The process of making proteins is called?

Protein Synthesis

16

How does rough ER differ from smooth ER?

Cover by ribosome

17

Rough ER is connected to what membrane and ER?

Nuclear, Smooth

18

Proteins made by rough ER travel to the Golgi in sacks is called what and what does Golgi do?

Its called Cistern, Golgi modifies and package

19

Give three jobs for smooth ER?

Lipid & Cholesterol metabolism, Detoxification, Calcium Storage

20

What is the function of cell membrane?

Support, protection, diffusion

21

What is the function of cell wall?

Thin, flexible barrier around a cell: control what enter & leaves the cell

22

What is the function of cytoplasm?

A jellylike fluid inside the cell in which the organelles are suspended

23

What is the function of ribosome?

Produce proteins

24

What is the function of Golgi?

Apparatus modifies, sorts, packages lipid & proteins

25

What is the function of rough ER?

Protein manufacturing

26

What is the function of smooth ER?

Digestive & Detoxification

27

What is the function of mitochondria?

ATP synthesis by aerobic respiration

28

What is the function of nucleus?

Control center, contain DNA for making protein

29

What is the function of nucleolus?

Produce ribosomes (which produce protein) found in nucleus

30

What is the function of nuclear membrane?

Regulate passage of materials in & out of nucleus

31

What is the function of centrosome?

Form spindle fiber, divides during mitotic division

32

What is the function of lysosomes

Digestive Enzyme

33

What is the function of microtubules?

Determine overall shape of cell & distribution of organelles

34

What is the function of nuclear pores?

Pathway exchange of materials between nucleus & cytoplasm