Key Words Flashcards
abiotic factor?
non-living factor of the environment
accommodation?
the ability to focus on near or distant objects by changing the shape of the lens in the eye
accurate result?
A result that is really close to the true answer
active transport?
the movement of particles against a concentration gradient (from an area of lower concentration to an area of higher concentration) using energy transferred during respiration.
adaptation?
a feature or characteristic that helps an organism to survive in its natural environment
aerobic respiration?
Respiration in which oxygen is consumed and glucose is broken down entirely
allele?
an alternative version of a gene
alveolus?
an tiny air sac in the lungs, where gas exchange occurs
amino acid?
monomer of protein
anaerobic respiration?
Respiration in the absence of oxygen. This produces lactic acid.
Anomalous result?
A result that doesn’t seem to fit with the rest of the data.
antibiotic?
A chemical that kills bacteria or slows their growth without harming body cells.
antibiotic resistance?
the ability of bacteria to withstand the effects of an antibiotic
antibody?
a protein produced by white blood cells in response to the presence of an antigen
antigen?
a molecule on the surface of a cell or a pathogen. foreign antigens trigger white blood cells to produce antibodies.
