absorption
Absorption is the movement of digested food molecules from the digestive system into the blood (glucose and amino acids) and lymph (fatty acids and glycerol).
Biology
active transport
Active transport moves molecules and ions from a region of lower concentration to a region of higher concentration with the help of energy in the
aerobe
An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment. The ability to exhibit aerobic respiration may yield
afforestation
Afforestation is the establishment of a forest or stand of trees (forestation) in an area where there was no recent tree cover.
anaemia
Anaemia is when the body does not have enough healthy red blood cells or haemoglobin. Red blood cells and haemoglobin (the molecule in red blood
anaerobe
An anaerobic organism or anaerobe is any organism that does not require molecular oxygen for growth. It may react negatively or even die if free
assimilation
1. the process of taking in and fully understanding information or ideas. 2. the absorption and digestion of food or nutrients by the body or
ATP
Adenosine triphosphate (ATP) is an energy-carrying, found in the cells of all living things. It captures chemical energy from the breakdown of food molecules and
autotroph
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. It feeds itself, without the assistance