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39 Cards in this Set

  • Front
  • Back
State the cell theory
All cells make upliving things
Cells are the basic unit of function and structure in living things
Cell are produced from prexisting cells
Basic unit of all forms of life
Cell
What is the structure that makes up every living thing?
cell
What did a thin slice of cork seemlike to Robert Hooke when he observed it through a microscope?
chambers that the monks lived in
What did the German botanist Matthias Schleiden conclude?
That all plants are made of cells
What did the German scientist Theodor Schwann conclude?
That all animals are made of cells
How did Rudolph Virchow summarize his years of work?
That cells came from prexisting cells
uses energy from the sunlight to make energy-rich food
Chloroplast
Small particle of RNA and protein that produces protein following instructions from nucleus
Ribosomes
Stack of membranes in which enzymesattach carbohydrates and lipids to proteins
Golgi apparatus
Filled with enzymes used to break down food into paricles that can be used
Lysosomes
An internal membrane system in which components of cellmembrane and some proteins are constructed
Endoplasmic reticulum (E.R)
Uses energy from food to make high-energy compounds
Mitochondrian
The process that occurs in cholorplasts is called
photosynthesis
What do animal cells not contain?
Cell wall
Organisms whose cells lack nuclei
prokaryotes
Organisms whose cells contain nuclei
Eukaryotes
What is an organelle?
structure that has a special job; a little organ
What are plant cell walls made out of?
Cellulose
What are chromosomes?
DNA information
All matter in the universe is composed oftiny particles called____.
atoms
An atom is the smallest___ that can exist
particle of matter
What is a substance composedof only one type ofatom.
Element
An atom is composedof three types of particles. Name these.
Protons, neutrons and electrons
What is the name for the sum of protons and neutrons in the nucleus?
Atomic number
Atoms may gain or lose an electron and become a__
Ion
Ions can have what kind of charge?
Positive or negative
What kind of bonds formwhen atoms lose or gain electrons
Ionic
What kind of bonds are formedwhen electrons are shared between atoms?
Covalent
Groups or families run
up and down
Periods run
sideways
Organic compounds come from
living things
Inorganic things come from
nonliving things
Carbohydrates are composed of
carbon, hydrogen and oxygen
What is the temperature that water reaches its maximum density?
4 degrees Celsius
What is cohesion?
The bonding of water molecules to each other
Monosaccharides
One sugar EX: Glucose, fructose
Disaccharides
Two sugars: Ex: sucrose
Polysacccharides
Many sugars Ex. glycogen, starches