Biology Olympiad

a protein that forms the thin filaments in skeletal muscle fibres

a protein forming the thick filaments in myofibrils in skeletal muscle fibres

fibres that make up larger fibres of skeletal muscle; made up of thin actin protein & thick myosin protein

an organism structural orphysiological features that makes it well adapted to its envionment

adaptive radiation

bind to cell receptiprs triggering a physciological response, mimicking effects of a hormone

wehn populatins of parent species become geographicasllu isolated, leading to each group developing into 2 separate species

allopatric speciation

when populations of parent species are living in same geographical area, have developed into different species preventing interbreeding.

antiibiotics tken after infection, antispectics applied to skin to prevent infection

a substance that kills or inhibits growth If microorganisms and can be safely used on skin

monitor blood pressure

wall of aorta

monitor changes of ocygen and co2 in the blood

walls of aorta

atrium

auricle

chromosmes which don’t define organisms gender, there are 22 pairs of autosome chromosomes a and 1 pair of sex chromosomes

valve between left atrium and left ventricle (type of AV valve)

false, no enzymes

teh process by which certain chemicals become concentrates in the bodies of animals found at the top of food chains

DDT, used to control insect pests didn’t break down when up in the food chain

55%