Into to diseases Flashcards
Mitosis
The process of cell division
Diffusion
is a passive selective process where particles diffuse down a gradient
Protozoa
is a single cell animal can be parasitic e.g. fungi. Proto is first, zoa animal. Symbiosis host may provide shelter to the parasite.
Parasites
live and feed of hosts
Homeostasis
a process of maintaining a constant internal environment so processes can go on
Viruses
are infective agents and can be made from dna or rna
Glucose
a simple sugar used by most cells and stored in the liver
Anaerobic
is without oxygen and some cells survive this way by changing the way they process energy e.g. anaemia
Nucleolus
is in the nucleus and is responsible for assembling rna
DNA
deoxyribonucleic acid
Chromosomes
the structure containing genes and proteins
humans have 23 pairs; males and females XY and XX
Adenine pairs with
thiamine and cytosine has guanine
Largest blood vessel
Aorta
Veins
transport deoxygenated blood around the body
Proteins
made from a long chain of these amino acids, each linked to its neighbour through a covalent peptide bond
Translation is
the process of decoding rna
Enzymes
are proteins used to speed up reactions
Fovea
is a depression in the retina, centre in field of vision and area of best vision
Anti bodies are
immunoglobulin proteins used to fight infections and foreign objects and induce immune responses
Vitamins
are a group of organic compounds essential for growth and required for healthy diet
Osteoporosis
is low bone density and weak bones can be called brittle bones