abiotic condition

abundance

acetylation

acetylcholine (ACh)

acetyl coenzyme A (AcetylCoA)

acquired mutation

actin

actin-myosin cross bridge

activator

active transport

adaptation

ADP (adenosine diphosphate)

adrenaline

allele

allele frequency

allopatric speciation

ammonification

antidiuretic hormone (ADH)

ATP (adenosine triphosphate)

ATP hydrolase

ATP synthase

ATP - phosphocreatine (PCr) system

atrioventricular node (AVN)

autonomic nervous system

autosomal linkage

autosome

benign tumour

biomass

biotic condition

bunde of His

cardiomyocyte

carrying capacity

causal relationship

cDNA (complementary DNA)

chemical mediator

chemiosmosis

cholinergic synapse

climax community

codominant allele

codon

coenzyme

community

compensation point

cone

conservation

control group

coordinator

dehydrogenase

denitrification

depolarisation

diabetes mellitus type 1

diabetes mellitus type 2

dihybrid inheritance

directional selection

disruptive selection

DNA polymerase

DNA probe

DNA sequencing

dominant allele

ecosystem

effector

electrochemical gradient

electron transport chain

epigenetic control (of gene expression)

epistasis