Question

name ______ the animal cell directions: place the correct letter in the data table to indicate the correct organelle. describe the function / purpose of each organelle in the cell. diagram of animal cell with labels a - k
organelle | diagram location (letter) | function
cell (plasma) membrane | h |
centriole | |
cytoplasm | k |
golgi complex | e |
lysosome | a |
mitochondria | g |
nucleus | j |
ribosome | d |
rough endoplasmic reticulum | b |
smooth endoplasmic reticulum | |
vacuole | |
©teachnology, inc., 2003

Answer:

To solve this, we analyze each organelle's function and match it to the diagram:

1. Cell (Plasma) Membrane (H)

• Function: Regulates the entry/exit of substances (e.g., nutrients, waste) into/out of the cell; provides structure and protection.

2. Centriole (C)

• Function: Involved in cell division (mitosis/meiosis); helps organize spindle fibers.

3. Cytoplasm (K)

• Function: Gel - like substance holding organelles; site of many cellular reactions (e.g., glycolysis).

4. Golgi Complex (E)

• Function: Modifies, sorts, and packages proteins/lipids (from ER) for transport (e.g., to cell membrane or secretion).

5. Lysosome (A)

• Function: Contains digestive enzymes; breaks down waste, damaged organelles, or foreign invaders (e.g., bacteria).

6. Mitochondria (G)

• Function: “Powerhouse of the cell”; performs cellular respiration to produce ATP (energy for the cell).

7. Nucleus (J)

• Function: Contains genetic material (DNA); controls cell activities (e.g., growth, reproduction, protein synthesis).

8. Ribosome (F)

• Function: Site of protein synthesis; translates mRNA into polypeptide chains.

9. Rough Endoplasmic Reticulum (B)

• Function: Has ribosomes; synthesizes and transports proteins (e.g., for secretion or cell membrane).

10. Smooth Endoplasmic Reticulum (I)

• Function: Lacks ribosomes; synthesizes lipids, detoxifies substances, stores calcium.

11. Vacuole (Not labeled yet, likely a remaining circle)

• Function: Stores water, nutrients, or waste; maintains cell turgor (in animal cells, smaller and more numerous than plant vacuoles).

Filling the Table (with corrected/matched functions):

Organelle	Diagram Location (Letter)	Function
centriole	C	Aids in cell division (spindle fiber organization).
cytoplasm	K	Gel - like matrix holding organelles; site of cellular reactions.
golgi complex	E	Modifies, sorts, packages proteins/lipids for transport.
lysosome	A	Digests waste, damaged organelles, or invaders (via enzymes).
mitochondria	G	Produces ATP (energy) via cellular respiration.
nucleus	J	Contains DNA; controls cell growth, reproduction, and protein synthesis.
ribosome	F	Site of protein synthesis (translates mRNA).
rough endoplasmic reticulum	B	Synthesizes/transports proteins (has ribosomes).
smooth endoplasmic reticulum	I	Synthesizes lipids, detoxifies, stores calcium (no ribosomes).
vacuole	(Remaining circle, e.g., unlabeled or a missed one)	Stores water, nutrients, or waste.

(Note: For the “vacuole” row, identify the letter for the small or large circular organelle not yet assigned. If a letter is missing, check the diagram again—animal cells have small vacuoles, so it may be one of the smaller circles.)