Aldosterone is a hormone released when salt levels are low in the body. Aldosterone increases the permeablity of the tubules to sodium. Fludrocortisone is administered to people who cann not secrete aldosterone it is given orally once or twice a day and it works the same way as the hormone...
loll ok diffusion and osmosis:
1) process are too slow
2) non selective
3) Osmosis- only refers to the movement of water so nitrogenous wastes cant be removed and will build up
lolll uhmm ok the main parts are:
Lungs: oxygen levels are low when blood enters and CO2 levels are high, glucose levels high in glucose
Body (in general) : high in Oxygen ;low in CO2 high in glucose and low in urea
Intestines: Small- low in glucose, amino acids and fats (products of...
and how DNA controls the production of polypeptides:
it occurs in two steps : Transcription and Translation:
A. transcription is the synthesis of RNA from DNA. It occurs in the nucleus.
1. The 2 strands of DNA separate
2. The free floating RNA nucleotides in pair up to their complimentary bases...
George Beadle and Edward Tatum performed experiments by using a fungus called pink bread mould, they found that this mould would thrive on a minimal medium containing nothing but minerals, sucrose and vitamin biotin. They reasoned that these substances must be converted into amino acids and that...
hey im sitting biology hsc this yr im in yr 11 but i wanted to apply for the UAC btu it needs my application number for UAC but i dnt have this yet so am i meant to be aplying this yr or next year?
Thanks
hey does anyone have any tips for this essay qs: evaluate the effectiveness of the legal system in addressing the changing needs of women in Australia since 1788.
My specific area in this essay is women and domestic violence