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Midterm Review.
Chapters 1-6
67
Biology
10th Grade
01/10/2010

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Term
Metabolism
Definition
All of the chemical processes in an organism
Term
Homeostasis
Definition
The steady state physiological condition of the body.
Term
Biology is the study of ____
Definition
life
Term
7 characteristics of living things
Definition
-organization and presence of one or more cells
-response to a stimulus
-homeostasis
-metabolism
-growth and development
-reproduction
-change threw time (evolution)
Term
How would you test a scientific hypotheses?
Definition
In an experiment
Term
How do you find the magnification of a light microscope?
Definition
Multiply the objective lens and ocular lens.
Term
Covalent bonds....
Definition
share electrons.
Term
Ionic bonds....
Definition
transfer electrons.
Term
Why is a water molecule polar?
Definition
Because the hydrogen and oxygen don't share the electrons evenly.
Term
Water is the solvent in an...
Definition
Aqueous solution/
Term
What element HAS to be in an organic compound?
Definition
Carbon.
Term
A monomer is...
and a polymer is...
Definition
only one molecule
many units linked together.
Term
Condensation Reaction-
Definition
two monomers are added together and a water molecule is released
Term
Hydrolysis reaction-
Definition
polymers are broken back down and a water is needed to be added.
Term
ATP means....
Definition
Adenosine Triphosphate.
Term
When is energy released from ATP?
Definition
When the bond between phosphate groups are broken.
Term
Four main classes of organic molecules
Definition
-Carbohydrates
-Proteins
-Lipids
-Nucleic acids.
Term
c6h12o6 is the formula for...
Definition
glucose
Term
Polymers use glycogen and starch for....
and cellulose and chitin....
Definition
storage
structurally
Term
The building blocks of proteins are
Definition
amino acids.
Term
How many different amino acids are there?
Definition
20
Term
Amino acids are joined with ______ _______.
A long chain of amino acids is called a _____.
Definition
peptide bonds
polypeptide.
Term
Most enzymes are proteins. Enzymes work as a ____ ______.
Without them reactions in the body would happen to ____.
Definition
biological catalyst.
quickly.
Term
Lipids include:
Definition
Fatty acids, triglycerides, phospholipids steroids and wax,
Term
Phospholipids are found in..
Definition
the cell membrane.
Term
ATP, DNA and RNA are all examples of
Definition
Nucleic acids.
Term
Deoxyribonucleic Acid (DNA)...
Definition
contains info that determines the characteristics of an organism and directs cell activity.
Term
Ribonucleic acid (RNA)..
Definition
stores and transfers info from DNA fir making proteins.
Term
Thousands of linked monomers are...
Definition
Nucleotides.
Term
Who was the first to see dead plant cells?
Definition
Robert Hooke.
Term
What did Anton Van Leeuwenhoek see?
Definition
Living cells
Term
The three parts of the cell theory are...
Definition
1.All living things are made of one or more cells.
2.Cells are the basic units or structure and function in an organism.
3. Cells only come from other cells.
Term
Surface area to volume ration determines...
Definition
how large a cell can grow.
Term
Whats the difference between Prokaryote and Eukaryote cells?
Definition
Prokaryotic cells lack a nucleus and membrane bound organelles that Eukaryotic cells have.
Term
What is the Fluid Mosaic Model?
Definition
A bi layer that acts more as a fluid then a solid.
Term
The three functions of the plasma (cell) membrane are:
Definition
-it covers the cells surface
-it acts as a barrier
-controls what goes in an out of the cell.
Term
What is the structure within a cell that performs a specific function called?
Definition
an organelle.
Term
What is the function of... Nucleus
Definition
it houses and protects the cells genetic information.
Term
What is the function of... Mitochondria
Definition
transfers energy from organic molecules to ATP
Term
What is the function of... Ribosomes
Definition
They make proteins.
Term
What is the function of... Endoplasmic Reticulum
Definition
Lets the molecules go from one part of the cell to another.
Term
What is the function of... Golgi Apparatus
Definition
It directs molecules to parts of the cell.
Term
What is the function of... Central Vacuole
Definition
It stores water and enzymes
Term
What is the function of... Chloroplast
Definition
To make carbs using light energy.
Term
Out of all the organelles in the cell, what two have their won DNA?
Definition
Mitochondria and Plastids
Term
What are three differences in plant and animal cells?
Definition
Plant cells have: cell walls, a central vacuole and a variety of plastids.
Term
Name three types of PASSIVE transport.
Definition
Simple diffusion, Osmosis, Facilitated Diffusion.
Term
Cell membrane pumps, Pinocytosis, Phagocytosis and Vesicles Exocytosis are all types of ____ transport.
Definition
Active.
Term
The ___ is the source of energy for almost all living things on earth.
Definition
Sun
Term
Heterotrophs get their energy from...
Definition
food.
Term
Autotrophs get their energy from...
Definition
sunlight
Term
Carbon dioxide + water + light energy = oxygen and carbs
Definition
Photosynthesis
Term
What is the main product of photosynthesis and what is it used for?
Definition
Sugar and it is used for energy.
Term
The waste product from photosynthesis is...
Definition
oxygen
Term
The purpose of cellular respiration is to make...
Definition
ATP
Term
________ use cellular respiration.
Definition
Autotrophs.
Term
What are the two parts of cellular respiration?
Definition
glycoysis and aerobic respiration.
Term
What is the order for organization and structure in living things?
Definition
[image]
Term
Where are the major parts on a microscope?
Definition
[image]
Term
What is a carbon atom supposed to look like?
Definition
[image]
Term

What is a neutral pH?

What range is a base? an acid?

Definition
[image]
Term
What are the parts of this cell?[image]
Definition

Plasma cell membrane

Endoplasmic Reticulum (ER)

Nucleus

Ribosome

Golgi apparatus

Mitochondria

Term
[image]
Definition
Term
[image]
Definition
Term
[image]
Definition
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