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Chapter 3 Cells 8A

Cells:The Basic Units of LIfe

What is the smallest unit that can perform all life processes? Cell
What is the phospholipid layer that covers a cell's surface? Cell Membrane
What is one of the small bodies in a cell's cytoplasm that are specialized to perform a specific function? Organelle
What is a membrane-bound organelle that contains a cell's DNA and info on how to make proteins? Nucleus
What is an organism that consists of a single cell that doesn't have a nucleus? Prokaryote
What is an organism made up of cells that has a nucleus and is enclosed by a membrane? Eukaryote
What is a rigid structure that surrounds the cell membrane and provides support to the cell? Cell Wall
What is a cell organelle composed of RNA and protein and is the site or photosynthesis? Ribosomes
What is a system on folded membranes in which proteins, lipids, and other materials are made? Endoplasmic Reticulum
What is a cell organelle that helps make and package materials to be transported out of the cell? Golgi Complex
What is a small cavity or sac that contains materials in a eukaryotic cell? Vesicle
What are lysosomes? a cell organelle that contains digestive enzymes
What is a vacuole? a large vesicle
What is a group of similar cells that perform a common function? Tissue
What is a collection of tissues that carry out a specialized function of the body? Organ
What is a group of organs working together to perform body functions? Organ System
What is a living thing that can carry out life processes independently? Organism
What is an arrangement of parts in an organism? Structure
What is the special, normal, or proper activity of an organ or part? Function
What are the 3 advantages of being multicellular? Bigger, Longer Life, and Specialized Functions
What are the 4 levels of organization? Cell, Tissue, Organ, Organ System
What are 2 functions of a cell membrane? To protect the cell and to allow nutrients to enter and wastes to exit the cell.
What types of cells have cell walls? Plant cells
Where is most of a cell's ATP made? Mitochondria
How do eukaryotes and prokaryotes differ? prokaryotes have one cell and eukaryotes have more than one
Why are many cells small? The volume grows faster then the cell's surface area
What genetic material does the nucleus contain? DNA
What are the 3 parts of the cell theory? All living things make up cells, cells are the basic unit of all living things, and new cells come from existing cells
What does rough ER have that smooth ER doesn't? Ribosomes
What 2 things do plants have that animals don't? Chloroplasts and a Cell Wall
Why are lysosomes important? they destroy worn out or damaged cells, get rid of waste, and protect the cell from foreign invaders
Created by: 12_rjohnson