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Bio Exam

TermDefinition
molecules that dissolve in water are called hydrophilic
what is the monomer for protein amino acid
definition of solute substance that can be dissolved by a solvent
Antonie Van Leeuwenhoek discovery discovered living cells
the small building blocks of larger molecules are called polymers
a covalent bond substance is formed by hydrogen
what are saturated fats fatty acid chains have one single bond
what are unsaturated fats there is one or more double bond in the fatty acid chain
COOH carboxyl/acid group
what is an example of chemical reaction and which side is the reactant and which is the product reactants- left products- right
what is the monomer for lipids glycerol and fatty acids
the twenty amino acids differ from each other in their side chain
What is the dotted line represent between water molecules? hydrogen bonds
definition of solvent able to dissolve other substances
the diffusion of water through selectively permeable membrane osmosis
a cell having higher concentration of water in it its cytoplasm hypertonic
chloroplast absorbs sunlight for photosynthesis
Hypothesis theory or guess
the series of changes that an organism undergoes during its lifetime development
light microscope with more than one lens is called compound light microscopes
The view that knowledge can be gathered through careful observation and or measurement Empiricism
what is science study of nature
scientific method Observe (5 senses) Hypothesis (if/then) expirement(list procedures/materials/variables) data(quantitative/qualitative) analyze (conclusion)
Variables in experiment independent, dependent observed, constant, control
data in experiments quantitative and qualitative
Objective versus subjective science Objective knowledge- factual subjective - basic knowledge that you know
Scientific law vs theory (scientific law)- tested numerous times and "proven to be true" (Theory)-a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
biology study of living things
list from least to greatest Cells, tissue, organs, organ,system, organism
8 characteristics of life cells homeostasis reproduction stimuli heredity evolution growth/development energy/ metabolism
micro-technique prepare micro-objects for studying
organic molecules are different from inorganic molecules because organic molecules contain carbon
what molecule is used for immediate energy in the body carbohydrate
what is the ratio of the molecule formula of a carbohydrate 1:2:1
What is the process called in which scientists check one another's work before publication peer review
Independent variable changed or controlled in an experiment
dependent variable the outcome variable
what is the main source of food energy carbohydrates
what is the smallest unit of an element atom
what is the smallest unit of life cell
what are the functions of lipids storage energy
carbohydrate suffix hydrate (ose)
P04 phosphate group
OH hydroxyl/alcohol group
NH2 amine group
what is the monomer for carbohydrate saccharide
what is the monomer for nucleic acid nucleotide
in a chemical reaction, a substance binds to an enzyme in a region called enzyme's substrate
this attraction of water molecules to one another is the result of the hydrogen bond
definition of solution homogeneous mixture of two or more substances
definition of suspension heterogeneous mixture that contains solid particles sufficiently large
microscopes light ( compund) electron ( TEM transmission electron)
rudolph virchow discovered cells
louis Pasteur discovered new cells are produced from existing ones
Matthias Schleiden discovered all plants are made of cells
Theodore Schwan discovered all animals are made of cells
Robert Hooke created the term "cell"
the steady state between a cell and its environment homeostasis
what is the cell membrane made up of phospholipids
Powerhouse of the cell mitochondria
the easier way for a cell to move materials into and out of cell diffusion
a cell having less concentration of water in it its cytoplasm hypotonic
a cell having equal concentration of water in it its cytoplsm isotonic
passive transport the movement of substances across a cell membrane without the use of energy by the cell
cells that have nucleus and membrane bound organelle eukaryote
vacuole stores materials
golgi apparatus modifies, sorts, packages proteins
ribosome makes proteins
ATP main energy source for proteins
inference using what you know to draw a conclusion
observation direct method of gathering
RNA cells that carries information from the cell to the cytoplasm.
DNA tells cell what proteins to make
carnivore eats animals
herbivore eats plants
omnivore eats plants and animals
stimulus a signal to which an organism reacts
response An action or change in behavior that occurs as a result of a stimulus.
cilia and flagella move the cell or substances around it
Created by: isabella2105