Scientific Method
Cells and Organelles
Macromolecules
Membrane Structure
Membrane Transport
100
Qualitative data includes...
if an animal has spots or no spots and an animal’s color and gender
100
The organelle which protects the DNA inside the cell and is the “control center” of the cell is the...
The nucleus!
100
Proteins are made of...
Amino acids
100
The cell membrane is composed of...
phospholipids, carbs, cholesterol * proteins
100
An isotonic solution is one in which...
the solute concentration inside the cell is the same as the solute concentration outside the cell
200
Quantitative data includes...
length and weight of an object or animal and
200
The organelle which sorts, packages and ships proteins to the other parts of the cell is the...
The Golgi Aparatus
200
Enzymes are special types of ___________________
proteins
200
The cell membrane helps the cell maintain homeostasis by...
controlling what enters and leaves the cell
200
A HYPERTONIC solution is one in which...
the solute concentration outside the cell is greater than the solute concentration inside the cell
300
A hypothesis is...
an explanation for an event that one has observed AND testable
300
The organelle which makes proteins is the...
The ribosome
300
Carbohydrates, such as glucose, serve as what for the cell?
energy source
300
A hydrophilic molecule is one that...
is attracted to water & likes to from hydrogen bonds with water!
300
A HYPERTONIC solution is one in which...
the solute concentration outside the cell is less than the solute concentration inside the cell.
400
The INDEPENDENT variable is...
the variable which the researcher manipulates
400
The organelle which captures sunlight and turns it into chemical energy the cell can use is the...
the chloroplast
400
Enzymes are catalysts, which means they...
make reactions go faster!
400
A semipermeable membrane...
only allows certain types of molecules to cross
400
Active transport requires what?
ENERGY!
500
The DEPENDENT variable is
the factor which changes as a result of a change in the independent variable
500
The organelle which breaks down fuel and turns it into energy that the cell can use is...
The mitochondria!
500
A always pairs with ______ G always pairs with _______
Thymine Cytosine
500
Which part of the phospholipid molecule has a no charge and is hydropobic?
the fatty acid tails
500
Which type of membrane transport does NOT require energy?
passive transport, osmosis, diffusion
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