Cell Types and Modifications Flashcards
What are the two main types of skin cells?
Keratinocytes and Melanocy
What is the function of keratin in skin cells?
Keratin helps make skin an effective layer of protection for the body.
What are the three types of muscle cells?
Skeletal muscle cells, cardiac muscle cells, and smooth muscle cells
What is the main function of red blood cells?
To deliver oxygen from the lungs to the rest of the body
What are the two main parts of a neuron that receive and send signals?
Dendrites (receive signals) and Axons (send signals)
What is the function of fat cells (adipocytes)?
To store fats and other lipids as energy reserves
What are the main functions of parenchyma cells in plants?
Photosynthesis, secretion, and food storage
Where are collenchyma cells located in plants?
Beneath the epidermis
What is the main function of sclerenchyma cells?
To provide rigid support in plants
What do xylem cells transport in plants
Water
What do phloem cells transport in plants?
Organic nutrients such as glucose
What is the function of bacterial spores?
To survive in harsh environmental conditions
Name three functions of cilia and flagella.
Propelling cells, sensory functions, and transporting material
What is the main function of pili in bacteria?
To help bacteria attach to surfaces and transfer genetic material
What is the function of actin and myosin in muscle cells?
To enable muscle contraction through the sliding filament model
