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Flashcards in Section II Deck (34)
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What are the two ways in which the cell membrane can serve as a semi-permeable membrane and regulate the passage of molecules

Polarity and size

1

What is the function of lipids in the cell membrane

They make up most of it

2

What is the functions of proteins in a cell membrane

Transport

3

What is the function of carbohydrates in the cell membrane

Recognition of the cell

4

The nucleus functions in make ___ ___ and directing the cell's ___

Nucleic acids, activities

5

What makes ribosomes

Nucleolus

6

What is the brain of the cell

Nucleus

7

2 functions of the cytoplasm

-cellular chemical
-holding the other organelles in place

8

The cytoplasm is mostly made of ___

Water

9

What are the two types of ER

Rough
Smooth

10

What type of fiber forms a network just beneath cell surface

Actin Fibers/Microfilaments

11

What does the specific functions of the cell determine

The amount of smooth or rough ER

13

What type of fiber acts as a highway system for transporting things through the cell

Microtubules

14

What type of fiber is framework for confining cell materials

Intermediate fibers

14

What is the primary function of ribosomes

Producing proteins

15

Cytoplasmic streaming means...

In constant motion

17

What are the three different kinds of fibers in the cytoskeleton in order from largest to smallest

Microtubules
Intermediate Fibers
Actin Fibers/Microfilaments

18

A spherical structure, usually located in the center of a cell

Nucleus

19

Nucleoplasm is rich in ___ and ___

Proteins and chromatin

20

During cell division chromatin condenses and coils to form ___

Chromosomes

21

What are ribosomes made of

Nucleic acid and proteins

22

What is rough ER responsible for

Protein production

23

What is the most numerous of organelles

Ribosomes

24

What is a stack of membrane filled with fluid and dissolved substance

Golgi complex

25

How are ribosomes shaped in structure

Spherical

25

How can ribosomes exist

Free floating int he cytoplasm
Attached to the ER

26

A double membrane that us semi-permeable due to pores

Nuclear membrane

27

System of membranes forming folding sacs and tunnels

Endoplasmic Reticulum

28

A clear, jelly-like material that comprises most of the cells space

Cytoplasm

29

What is the area of detoxicating for the cell

Smooth ER