Cell and Plasma Membrane

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UMUC Biology 102/103
Lab 3: Cell Structure and Function
INSTRUCTIONS:
On your own and without assistance, complete this Lab 3 Answer Form electronically and submit it via the Assignments Folder by the date listed on your Course Schedule (under Syllabus). To conduct your laboratory exercises, use the Laboratory Manual that is available in the WebTycho classroom (Reserved Reading or provided by your instructor) or at the eScience Labs Student Portal. Laboratory exercises on your CD may not be updated. Save your Lab3AnswerForm in the following format: LastName_Lab3 (e.g., Smith_Lab3). You should submit your document in a Word (.doc or .docx) or Rich Text Format (.rtf) for best compatibility. Experiment 1: Labeling (consult the Lab 3 Introduction for more details)

Bacteria: Nucleoid region, cell wall, plasma membrane, ribosomes, flagella  

Protist: Macronucleus, micronucleus, plasma membrane, cytoplasm, contractile vacuole  

Plant Cell: Nucleus, cell wall, plasma membrane, cytoplasm, chloroplast, mitochondria, vacuoles  

Animal Cell: Nucleus, nucleolus, plasma membrane, cytoplasm, mitochondria, golgi apparatus, rough ER, ribosome  

Questions
1. For each structure identified, do you think its location affects its ability to function? Why or why not? (Hint: those buried deep in the cell probably do different things than those closer to the cell membrane)

The cell is structured to where everything within the cell is able to work very efficiently. The protein building process starts deep within the cell and reaches the outer parts of the cell as the protein reaches completion.

2. Draw a labeled diagram of a small section of the plasma membrane and briefly describe its structure and function.

3. Describe the differences between animal and plant cells.

Both, animal and plant cells have eukaryotic cells. Animal cells have centriole and...
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