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Cellular anatomy

How many cells are in the body 50-100 trillion cells
What are cells mainly composed of? C, H, N, O
What are the three basic parts of of a cell Cell membrane, cytoplasm, nucleus
Two kinds of endoplasmic reticulum Rough and smooth
Why is rough endoplasmic reticulum rough? Ribosomes
What do ribosomes do Make proteins and sends the to the smooth er
What does the smooth endoplasmic reticulum do Organizes proteins given by the rough er to send to Golgi apparatus
Exocytosis Golgi releases protein to the outside of the body
Integral protiens Firmly inserted into the membrane, Transports protiens
Peripheral protiens Loosely attached to integral proteins
What is the function of peripheral protiens Enzymes, motor protiens, cell to cell links, cell recognition
Three types of membrane junctions Tight junctions, Desmosomes Gap junctions
What is a tight junction Prevents fluid and molecules from moving between cells
What is a desmosome Rivet that holds cells together
What is a gap junction A pore that allows small molecules to pass from cell to cell, Spreads ions between cardiac or smooth muscle cells
What is tonicity The ability of a solution to cause a cell to shrink or swell
When a cell shrinks in tonicity Hypertonic
When a cell swells in tonicity Hypotonic
What is osmosis The balancing of solute and solvent
What kind of transport uses osmosis Passive transport
The cell neither swells or shrinks Isotonic
What is the fluid in between the nucleus and the membrane Cytoplasm
Two types if organelles in cytoplasm Membranous and nonmembranous
What is the head part of the phospholipid unit? Polar and hydrophilic
What is the tail part of the phsopholipid unit Nonpolar and hydrophobic
Function of membrane protiens Regulation, Moter proteins, Enzymes, Cell to cell links
How many different types of cells are there in the body 200
Cells consists of what elements C,H,O,N
6 properties of water Hydrolysis and dehydration reactions, Major transport medium, High heat vaporization, High heat capacity, Neutral pH
What part of a cell synthesizes lipids and detoxifies toxic chemicals Smooth endoplasmic reticulum
Production of glycogen from glucose is what kind of reaction Synthesis
Vessicles Cavities
Does mitosis or meiosis occur in all cells in the body Mitosis
Meiosis affects Sex cells
How many cells does mitosis make? 2
In meiosis I how many chromosomes are passed to the daughter cell 23- half
In meiosis II how many chromosomes are passed to the second set of daughter cells? 23
How many chromosomes are passed to the daughter cells in mitosis 46
How many cells does meiosis make? 4
Created by: Featherfay