bio

• cells are the simplest unit of life • all organisms are composed of one or more cells • all cells come from preexisting cells

No membrane-bound organelles

No

they are membrane bound organelles

yes

it’s a specialized structure that performs a specific job in a cell

everything inside the cell membrane

everything inside the cell membrane but outside the organelles

site of many metobolic reactions and transmits signals from the environment

• provides cell shape and support • transport of cells contents • movement of the cell (flagella and cilia) • seperation of chromosomes during cell division

site of protein synthesis, protein factories

composed of a phospholipid bilayer with proteins embedded. it provides a barrier and seperates the contents of the cell from extracellular environment

DNA is wound around proteins

highly condensed chromatin

( with ribosomes) proteins are folded, modified, and passed to the golgi apparatus

(lacks ribosomes) 1. lipid synthesis 2. detoxification

post office 1. recieves, modifies, and packages proteins and lipids from the ER 2. sends modified products to destination 3. synthesizes structural carbohydrates

recycling centers 1. breaks down waste molecules and worn out organelles and foreign material

contains over 50 enzymes involved in a variety of cellular reactions hydrogen peroxide is produced as a byproduct functions: 1. break down fatty acids 2. detoxification 3. lipid synthesis

It contains DNA and RNA that functions but many of their proteins are encoded by nuclear DNA and they can divide independently.

site of aerobic cellular respiration, energy in food molecules is turned to energy in ATP

site of photosynthesis

composed of cellulose functions: 1. protection of plant cell from physical damage 2. shape and support

storage of nutrients maintaince of turgor pressure breakdown of waste