Whole Healthy Cell

Question 1

Describe four major activities of a typical human cell

Answer 1

Protein secretion, protein synthesis, replication/reproduction, cell signaling

Question 2

Name and describe the primary function related to the whole organism for 8 different types of cells present in the human body

Answer 2

RBCs- carry oxygen to cells and carbon dioxide away to lungs
WBCs- fight pathogens
Neurons- transmit signals throughout body
Hepatocytes- detoxification of blood
Adipocytes- fat storage
Stem cells- differentiation into various cells
Osteoblasts- build bone
Osteoclasts- breakdown bone

Question 3

Describe 3 major functions for cellular membranes found in human cells

Answer 3

1. ) Selective permeability
2. ) Communication
3. ) Tissue integrity

Question 4

Define the term organelle, list 5 organelles present in the human cell and describe one function for each.

Answer 4

An organelle is a membrane enclosed functional unit inside a cell with specialized function.

1. ) Mitochondria- ATP production
2. ) Lysosomes- degradation of waste
3. ) Smooth ER- lipid synthesis
4. ) Peroxisomes- oxidation of very long chain fatty acids
5. ) Nucleus- maintain integrity of DNA/gene expression