abiogenesis
absorption spectrum
acetyl CoA
acrosome
acrosome reaction
actin
action potential
activation energy
active site
active transport
adaptive radiation
ATP
ADP
aerobic
affinity chromatography
albinism albumin
alcohol
Alexander Fleming
Alfred Russel Wallace
algae
allele
allele frequency
allosteric site
allostery
alpha helix
alternative splicing
Ames test
amine
amino acid
AMP
anabolism
anaerobic
anaphase
anatomy
Andrew Huxley
animalia
animals
antibiotic
resistance
antibody
anticodon
antigen
antigenic shift
Antoni van Leeuwenhoek
apoptosis
Arabidopsis
arbovirus
archaebacteria
artificial life
aseptic technique in microbiology
asexual reproduction
ATPase
ATP synthase
audition
autoradiography
autosome
autotrophic
avian influenza
axon
