Biology: Biology Chapter 4 Notecards Flashcards


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Biology
Chapter 4
The functions of different organelles in cells.
Grade levels:
9th grade
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1

What is the function of the Nucleus?

MANUFACTURING

DNA synthesis; RNA synthesis; assembly of ribosomal subunits (in nucleoli)

2

What is the function of the Ribosomes?

MANUFACTURING

polypeptide synthesis

3

What is the function of the Rough ER?

MANUFACTURING

synthesis of membrane lipids and proteins, secretory proteins, and hydrolytic enzymes, formation of transport vesicles

4

What is the function of the Smooth ER?

MANUFACTURING

lipid synthesis; detoxification in liver cells; calcium ion storage

5

What is the function of the Golgi Apparatus?

MANUFACTURING

Modification and transport of macromolecules; formation of of lysosomes and transport vesicles

6

What is the function of Lysosomes?

BREAKDOWN

Digestion of ingested foods, bacteria, and a cell's damaged organelles and macromolecules for recycling

7

Where are Lysosomes found?

Animal Cells and some protists

8

What is the function of Vacuoles?

BREAKDOWN

digestion; storage of chemicals; cell enlargement; water balance

9

What is the function of the Peroxisomes?

BREAKDOWN

diverse metabolic processes, with breakdown of H2O2 by-product

10

What is the function of the Mitochondria?

ENERGY PROCESSING

Conversion of chemical energy of food to chemical energy ATP

11

What is the function of the Chloroplast?

ENERGY PROCESSING

conversion of light energy to chemical energy of sugars

12

Where is the Chloroplast found?

Plant cells and some protists

13

What is the function of the Cytoskeleton?

SUPPORT, MOVEMENT, AND COMMUNICATION BETWEEN CELLS

Maintenance of cell shape; anchorage for organelles; movement of organelles within cells; cell movement; mechanical transmission of signals from exterior of cell to interior

14

Where is the cytoskeleton found and what is it made of?

In animal cells; includes cilia, flagella, and centrioles

15

What is the function Extracellular matrix?

SUPPORT, MOVEMENT, AND COMMUNICATION BETWEEN CELLS

Binding of cells in tissue; surface protection; regulation of cellular activities

16

Where is the Extracellular Matrix found?

animal cells

17

What is the function of Cell Junctions?

SUPPORT, MOVEMENT, AND COMMUNICATION BETWEEN CELLS

communication between cells; binding of cells in tissues

18

What is the function of Cell Walls?

SUPPORT, MOVEMENT, AND COMMUNICATION BETWEEN CELLS

maintenance of cell shape and skeletal support; regulation of cellular activities

19

Where are Cell Walls located?

plant cells, fungi, and some protists