Activities 3 and 4: Locating Organelles and Examining the Cell Model

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1

1. What are 3 examples of inclusions?

2. Are inclusions organelles?

1. Stored foods, water vacuoles, ingested foreign materials.

2. No.

2

Function of ribosomes?

Actual site of protein synthesis.

3

2 functions of rough endoplasmic reticulum?

1. Storage of proteins.

2. Transport of proteins.

4

3 functions of smooth endoplasmic reticulum?

1. Site of steroid and lipid synthesis.

2. Site of lipid metabolism.

3. Site of drug detoxification.

5

4 functions of golgi apparatus?

1. Packages protein or other substances.

2. Exports proteins or other substances from the cell.

3. Incorporates proteins or other substances into the plasma membrane.

4. Packages lysosomal enzymes.

6

3 functions of lysosomes?

1. Digest worn-out organelles (through hydrolases).

2. Digest foreign substances (through hydrolases).

3. Can entirely destroy a greatly-damaged cell (through hydrolases).

7

3 functions of peroxisomes?

1. Contain oxidase to to detoxify alcohol.

2. Contain oxidase to detoxify free radicals.

3. Contain oxidase to detoxify other harmful chemicals.

8

Function of mitochondria?

Contain enzymes that oxidize food to produce ATP

9

3 functions of centrioles?

1. Direct formation of the mitotic spindle during cell division.

2. Form the bases of cilia.

3. Form the bases of flagella.

10

2 general functions of the cytoskeletal elements?

1. Provide cellular support.

2. Intracellular transport.

11

Function of microfilament?

Cell mobility.

12

Function of intermediate filaments?

Resist mechanical forces acting on the cell.

13

2 functions of microtubules?

1. Form internal structure of centrioles.

2. Determine cell shape.

14

Which 2 types of cells are peroxisomes primarily found in?

1.Liver cells

2. Kidney cells

15

Microfilaments are found primarily in which type of cells?

Muscle cells.

16
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Identify the missing parts.

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