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Midterms
Chapters 1,2,3,4,5,7,8,11,40,41,NYSTL
75
Biology
9th Grade
01/26/2014

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Term
Scientific Method
Definition
Observation, Question, Hypothesis, Prediction, Experiment, Conclusion
Term
Levels of Organization
Definition
Community, Population,Multicellular organism, Organ System, Organ,Tissue, Cell, Molecule
Term
All matter is formed of?
Definition
Elements
Term
an Atom is?
Definition
Smallest particle of an element
Term
Multiple Atoms =?
Definition
Molecules
Term
Molecules provide the building blocks for?
Definition
Cells
Term
Smallest unit of life
Definition
Cell
Term
Multiple Tissues =
Definition
organ systems
Term
Multiple organ systems =
Definition
multicellular organisms
Term
Entire surface of earth is
Definition
Biosphere
Term
Dependent variable is?
Definition
Results in whatever form of measurement
Term
Natural Selection
Definition
Preserves genes that help the species flourish
Term
Characteristics of living things
Definition
Respond to stimuli
both complex, organised and made of cells
Maintain homeostasis
Term
Homeostasis
Definition
The ability for an organism to maintain a constant environment inside, no matter what goes on outside
Term
All things are composed of?
Definition
Cells
Term
What are atoms?
Definition
Basic structural units of life
Term
Atoms are electrically neutral because..
Definition
They have equal number of positive protons as negative electrons
Term
Number of protons is also?
Definition
Atomic Number
Term
Element is a substance...
Definition
that cannot be broken down
Term
subatomic particles of an atom
Definition
Nuetrons, Electrons, Protons
Term
Molecules are?
Definition
2 or more atoms together
Term
Atoms will not interact with other atoms when?
Definition
The outermost shell is completely full
Term
Atoms will interact with other atoms when?
Definition
The outermost shell is partially full
Term
Covalent Bonding
Definition
Electron Pairs shared
Term
Ionic Bonds
Definition
Opposites Attract, oppositely charged atoms
Term
Nonpolar Covalent bonding
Definition
Equal sharing of electrons
Term
Polar Covalent bonding
Definition
Un-equal sharing of electrons
Term
Hydrogen Bond
Definition
Opposites attract, slightly negative goes to slightly positive charged atom
Term
Ionic Bonds
Definition
Oppositely charged ions are attracted to each other.
Term
Free Radicals
Definition
they steal electrons destroying other molecules.
Term
Hydrogen Bonds
Definition
opposite charges from DIFFERENT molecules attract each other
Term
Hydrophilic molecules
Definition
Like water
Term
Hydrophobic molecules
Definition
Hate water
Term
Acid
Definition
Lemon Juice is Acid
Term
Acid is what on the scale?
Definition
1-6
Term
Nuetral is what on the scale?
Definition
7
Term
Basic is what on the scale
Definition
8-14
Term
Biocarbonate is a?
Definition
Buffer
Term
Organic
Definition
Molecules with carbon
Term
Inorganic
Definition
Molecules without carbon dioxide and Carbon Dioxide
Term
Carbohydrates
Definition
made of C,H,O in 1:2:1
Term
Carbohydrates have mono_____?
Definition
Saccharides
Term
2 monosaccharides are?
Definition
disaccharides
Term
Long chains of monosaccharides are?
Definition
polysaccharides
Term
Glucose is a ?
Definition
Monosaccharide
Term
Some Monosaccharides are?
Definition
Fructose, Galactose, Ribose and deoxyribose
Term
Starch is a?
Definition
Polymer of glucose, and a polysaccharide
Term
Polysaccharides are found in plant cell___?
Definition
walls
Term
Wood is mostly
Definition
Cellulose
Term
Lipids are
Definition
Oils, Fats, waxes
Term
Phospholipids have
Definition
water soluble heads, water insoluble tails
Term
fats and oils are formed by
Definition
dehydration synthesis
Term
fats that are solid at room temp are?
Definition
Saturated
Term
fats that are liquid at room temp are?
Definition
unsaturated
Term
3 Phosphates =?
Definition
1 ATP
Term
Nucleotides
Definition
Monomers of nucleic acid chains
Term
Nucleotides are made up of
Definition
Phosphate group, five carbon sugar, nitrogen, containing base
Term
Brymothymol blue is a?
Definition
indicator
Term
Cohesion
Definition
Water to water
Term
Adhesion
Definition
water to hydrogen bonds
Term
Proteins have
Definition
enzymes to speed up reactions
Term
hair is made of
Definition
Protein
Term
Horns are made of
Definition
protein
Term
Silk is made of?
Definition
Protein
Term
proteins are formed by
Definition
chains of amino acids (monomers)
Term
Dehydration synthesis
Definition
building by taking the water out from the middle
Term
Protein Structures
Definition
Primary, secondary, tertiary, quaternary
Term
Tertiary structures are held by
Definition
disulfide bridges
Term
Cell theory
Definition
All living things are composed of one or more cells. All cells arise from pre-existing cells
Term
Smallest visible cell to the eye
Definition
frog embryo
Term
Prokaryotic cell
Definition
Without a nucleus
Term
Eukaryotic cell
Definition
with a nucleus
Term
What kind of cells do humans have?
Definition
Eukaryotic
Term
What kind of cells do bacteria have?
Definition
Prokaryotic
Term
plant cell walls are?
Definition
stiff
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