Cell Structure And Cell Cycle Flashcards
What 3 points make up cell theory?
- All living organisms are composed of one or more cells
- The cell is the basic unit structure of all organisms
- All cells arise from existing cells
In short cell theory declares the cell is the basis of an organisms __________ and ________
Structure and reproduction
How do Eukaryotic cells differ from Prokaryotic cells?
Eukaryotic evolved from Prokaryotic, they are bigger, more complexed and have an nucleus
Eukaryotic cells name means what?
True nucleus
Prokaryotic cell name means what?
Before the nucleus
Why are nucleic acids, proteins, carbohydrates and lipids important?
These are necessary for cells to survive
What are the basic functions of nucleic acids?
Stored genes or genetic information. One type of acid RNA is used in directing functions within the cell
What are the basic functions of protein?
Proteins are structural building blocks and some are enzymes that help regulate chemical reactions. They also store amino acids, protect against disease, and respond to chemical stimuli
What are basic functions of Carbohydrates?
These are sugars and starches and macromolecules composed of hydrogen carbon and oxygen. They supply and store energy, serve as building blocks like cellulose in plant walls
What are the basic functions of Lipids?
Means fats, stores energy, are insoluble in water
What is the role of the Nucleus
This provides a DNA which is a blueprint for making protiens. Each blueprint is contained in chromosomes. The nucleus also contains nucleoli. Nucleus has surrounding membranes called nucleus envelope
Which Organelle are involved with protein synthesis? How are they involved?
Ribosomes direct the synthesis of protein and endoplasmic reticulum (ER) a network of connected membranes is a site for the synthesis of proteins and other molecules it is made up of the smooth and rough ER
What is the main function of Golgi apparatus?
The Golgi apparatus completes and ships cell products, stores, modifies and packages them
Why are both chloroplasts and mitochondria essential for providing energy?
Chloroplast turns solar energy into stored chemical energy. Mitochondria turns sugars into energy in the ATP
What is the general purpose of the cytoskeleton?
The cytoskeleton: controlling cell shape and movement