Which of the following is not a part of cell theory. 1. cells are the basic unit of structure and function in living things. 2. all cells are produced from other cells. 3. only animals are composed of cells. 4 All living things are composed of cells
3. only animals are composed of cells.
100
What term refers to the movement of molecules from an area of higher concentration to an area of lower concentration
What is diffusion
100
How does magnification occur in an electron microscope
What is an electron beam makes an image
100
when 2 or more elements combine chemically they form a
What is compound
100
according to cell theory, all organisms are made of_________
What is cells
200
What is the function of the cell membrane
What is to control what enters and leaves the cell: Bonus 100 points what cells are the cell membrane found in plant, animal, or both
200
What term refers to the diffusion of water molecules through a selectively permeable membrane
What is osmosis
200
all organic compounds contain the element
What is carbon
200
Sugar and starches are examples of organic compounds known as __________________
What is carbohydrates
200
Small grain like bodies called____________ produce proteins inside cells
What is ribosomes
300
What organelle is the control center of the cell
What is nucleus
300
Which term refers to the movement of materials through a cell membrane without using the cells energy
What is passive transport
300
Oxygen molecules move across the cell membrane through a process called
What is diffusion
300
since carbon cannot be broken down into simpler substances it is an example of
What is element
300
Organelles known as ___________ contain chemicals that break down food particles and old cell parts
What is lysosomes
400
What is the function of the mitochondria
They convert energy from food molecules into energy the cell can use
400
Which term refers to the movement of materials through a cell membrane with the cells energy is required
What is active transport
400
A light microscope that has 2 or more lenses is called a _____________ microscope
What is compound
400
DNA and RNA belong to the group of organic compounds know as _______________
What is Nucleic acids
400
a structure found in Plant and bacterial cells but not in animal cells is the cell
What is Cell Wall
500
What organelle store food and other material needed by the cell
What is vacuoles
500
enzymes are important because they
What is speed up chemical reactions: BONUS 100 points Why is water important for a cell
500
Cells are the basic units of structure and _________ of living cells
What is function
500
a substance that cannot be broken down into simpler elements is a
What is element
500
T or F organelles that use energy from the sunlight to produce food are called MITOCHONDRIA