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BIOS 251 Week 3 Assignment; Case Study, Assignments of Biology

Chamberlain College of NursingBiology

BIOS 251 Week 3 Assignment; Case Study

Typology: Assignments

2024/2025

Available from 01/02/2025

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Natasha Ngong
Chamberlain University College of Nursing
BIOS 251: Anatomy and Physiology
Professor Zille
May 26, 2024
Deliverables
Please address the following questions in complete sentences.
1) What is the normal function of Lysosomes?
Lysosomes are membrane-bound organelles found in eukaryotic cells, and their job is to digest
and recycle waste from cells, defective organelles, and macromolecules.
2) What are the monomers of the Hexosaminidase A enzyme?
The monomers of the hexosaminidase A enzyme are:
- Alpha Subunit
- Beta Subunit
3) What is the composition of a cell’s plasma membrane?
The plasma membrane is a complex and dynamic structure composed of several compounds. Its
main components are:
- Phospholipids
- Proteins
- Cholesterol
- Carbohydrates
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Natasha Ngong Chamberlain University College of Nursing BIOS 251: Anatomy and Physiology Professor Zille May 26, 2024

Deliverables

**Please address the following questions in complete sentences.

  1. What is the normal function of Lysosomes?** Lysosomes are membrane-bound organelles found in eukaryotic cells, and their job is to digest and recycle waste from cells, defective organelles, and macromolecules. 2) What are the monomers of the Hexosaminidase A enzyme? The monomers of the hexosaminidase A enzyme are:
  • Alpha Subunit
  • Beta Subunit 3) What is the composition of a cell’s plasma membrane? The plasma membrane is a complex and dynamic structure composed of several compounds. Its main components are:
  • Phospholipids
  • Proteins
  • Cholesterol
  • Carbohydrates

4) List all the non-membrane-bound and all the membrane-bound cellular organelles in a eukaryotic cell. a) Membrane-bound organelles

  • The nucleus contains the cell's genetic material (DNA)
  • The Endoplasmic Reticulum (ER) is comprised of the *Rough ER: Ribosome-rich region responsible for protein synthesis and processing. *Smooth ER: Free of ribosomes; engages in lipid synthesis and detoxification.
  • The Golgi apparatus modifies, sorts, and packages proteins and lipids before they are delivered to other organelles. - The Mitochondria is the cell's powerhouse, responsible for producing ATP through oxidative phosphorylation.
  • Lysosomes contain digestive enzymes that break down waste products and damaged cells
  • Peroxisomes contain enzymes that detoxify toxic chemicals and metabolize fatty acids.
  • The Vesicles are tiny membrane-bound sacs that transport materials throughout the cell. b) Non-membrane-bound organelles
  • Ribosomes are the machinery within cells that makes proteins.
  • Cytoskeleton made up of
  • Microtubules serve as structural support and are involved in cell division and intracellular movement.
  • Microfilaments , or actin filaments, are involved in cell movement and muscle contraction.
  • Intermediate filaments provide mechanical support and stability.
  • Centrosomes (or centrioles) organize microtubules required for cell division.