cells & enzymes
exchange of gas and nutrients
homeostasis
Infectious disease
randumb bio
100
structural hierarchy of cells in multicellular organisms
cells--> tissue --> organs -->systems --> organisms
100
identify the two stages in the photosynthesis process
light independent and light dependent
100
the process of controlling water and solute balance within an organism's internal environment
osmoregulation
100
the period of time between a host becomes infected and shows symptoms
incubation period
100
the largest organ in the human body
skin
200
diagram 1 demonstrates...
protein channel
200
function of stomata
allow gas exchange to occur/not occur in plants
200
an organism that procudes its own heat via metabolic reactions is called...
endotherm
200
skin is a form of innate or adaptive immunity?
innate
200
Rhinotillexomania is the excessive habit of picking what...
Nose
300
calculate the surface area to volume ratio (in its simplest form) of a cube with the following dimensions:
2cm x 2cm x 2cm
3:1
300
identify the root system of plant B
Taproot system
300
draw the stimulus response model
processing centre --> effector -->receptor
300
define herd immunity
large enough proportion of the population is immune to a disease and vulnerable individuals are better protected
300
the word 'quarantine' is derived from what italian number?
40/quaranta
400
Name the 3 types of active transport
endocytosis, exocytosis, phagocytosis
400
the transport system responsible for moving water and minerals from the soil to the top of a plant
xylem
400
the 3 types of neurons
sensory, inter and motor neurons
400
identify 4 modes of disease transmission
direct contact, vectors, bodily fluids, waterborne, foodborne
400
he space between the eyebrows is called
glabella
500
draw an animal cell with the following organelles correctly labelled: Nucleus, cell membrane, ribosomes, vacuole, endoplasmic reticulum, mitochondria
500
write the word equation for photosynthesis
OR
write the balanced chemical equation for photosynthesis
carbon dioxide + water --light energy--> glucose + oxygen + water
6CO2 + 12H2O --light energy --> C6H1206 + 6H20
500
when an exon is not transmitting an impulse it is slightly positive on the inside and very positive on the outside. this is called...
resting potential
500
Identify and justify which antibacterial substance is best against Proteus vulgaris
Bleach; because the zone of inhibition is the largest against Proteus vulgaris as opposed to the other substances. Therefore, this substance is most resilient against Proteus vulgaris
500
You get a new top layer of skin (epidermis) every
30 days