A result close to the true value
Accurate
When repeated results are close together they are __________
Precise
The variable that is changed in an experiment
Independent
This type of error is reduced when the experiment is repeated
random
The scale used in the eyepiece of a microscope to measure specimens
graticule
A network of protein filaments which support or move organelles within a cell
cytoskeleton
A sac formed by a membrane used to transport materials in the cell
vesicle
An organelle responsible for processing and packaging proteins
Golgi
An organelle containing bundles of microtubules involved in cell division
centriole
Organisms without membrane-bound organelles
Prokaryotes
Breaking a bond by the addition of a molecule of water
Hydrolysis
The formation of a bond with the loss of a molecule of water
Condensation
The type of bond joining water molecules due to their polarity
Hydrogen
The name of the bond joining amino acids in a polypeptide
peptide
The name of the bond joining a fatty acid to glycerol in a lipid
ester
The type of molecule formed when two sugars join. Sucrose is an example
disaccharide
The sugar in DNA
deoxyribose
The component of starch which is formed of spiral chains of glucose
amylose
Bacterial cell walls are made from this
peptidoglycan
the type of lipid with three hydrocarbon chains
triglyceride
Water loving
Hydrophilic
The level of protein structure which determines the 3D shape
Tertiary
The repeating unit of structure in DNA
nucleotide
The process of making an mRNA copy of the gene
Transcription
The process of making a protein from mRNA templates
Translation