Biology : Cell Structure And Function

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UMUC Biology 102/103
Lab 3: Cell Structure and Function

• On your own and without assistance, complete this Lab 3Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus).
• To conduct your laboratory exercises, use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefully before completing the exercises/experiments and answering the questions.
• Save your Lab 3Answer Sheet in the following format: LastName_Lab3 (e.g., Smith_Lab3).
• You should submit your document as a Word (.doc or .docx) or Rich Text Format (.rtf) file for best compatibility.

Pre-Lab Questions
1. Identify the major similarities and differences between prokaryotic and eukaryotic cells.
• Eukaryotic and prokaryotic cells are both cells.
• Both types of cell have the cell membrane and the ribosome.


Prokaryotic cells Eukaryotic cells
• They lack a specific nucleus but have nucleoids.

• They lack the other cell organelles such as the endoplasmic reticulum, the mitochondrion, and the Golgi apparatus.

• They also have a circular DNA.

• Non-permeable cell membranes

• Found mainly in bacteria cells • They have a specific nucleus

• Have the other cell organelles such as endoplasmic reticulum, the mitochondrion, and the Golgi apparatus.

• Cells have a linear DNA

• Selectively permeable cell…
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