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Cell Structure

Name the parts of a cell Cell membrane, cytoplasm, organelles, nucleus
acts as a barrier; separates intra-cellular and extra-cellular compartments, selectively permeable, and provides some structure. cell membrane
gel-like internal environment of the cell cytoplasm
subcellular structures within the cytoplasm; perform specific functions organelles
contains the cell's DNA. Nucleus
Composed primarily of phospholipids and proteins. Cell Membrane
____ can form a bilayer. Phospholipids
restricts the passage of water and water-soluble molecules and ions bi-layer of phospholipids
Membrane proteins provide specific functions. name the functions transporters- water soluable molecules channels- allows passage way receptors- hormones enzymes **Mostly Lipid**
Out of the cell Exocytosis
Inside of the cell Endocytosis
two types of endocytosis Phagocytosis and pinocytosis
surround and engulf particles, white blood cells and macrophages phagocytosis
cell membrane invaginates, fuses together and then pinches off, entering the cell. pinocytosis
tiny, hairlike structures that protrude from the cell, coordinated movement, within the respiratory system and the female reproductive tract. cilia
single whip-like structure that propels the sperm cell through its environment flagellum
numerous tiny folds in the cell membrane increase surface area (diffusion) microvilli
membrane bound organelles that contain digestive enzymes Lysosomes
fuse with food vacuoles to digest products of endocytosis Lysosomes
Most cells contain hundreads to thousands of these organelles Mitochondria
play an important role in the production of energy for the cell mitochondria
Contains ribosomes (bumps of protein) Rough Endoplasmic Reticulum
important role in protein synthesis Rough Endoplasmic Reticulum
storage of Ca2+ in striated muscle cells smooth Endoplasmic Reticulum
Created by: CountryMomma7



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