Biolgy paper 1 help!

[12345abc]

ok so u know these questions about graphs of heartbeat in paper 1,they give the graph then ask where valves close and the pulse rate...plz help...i m feeling like i know nothing

[goin4dakill]

ok so u know these questions about graphs of heartbeat in paper 1,they give the graph then ask where valves close and the pulse rate...plz help...i m feeling like i know nothing

\
Ok, well.. ive never seen something like that before..but if i use my knowledge.. I would think that at every heart beat- the flow of blood increases--and therefore the pressure increases (By the way whats the variables?-like whats on the x and y axis) anyway, and valves stop blood from backflowing..so therfore everytime theres a valve, there is alot large pressure, because it propels the blood upwards and out of the heart- instead of letting it trickle back into the atrium

[12345abc]

pressure is on the y axis and time on x axis

[goin4dakill]

pressure is on the y axis and time on x axis

Yeah so thats right? Im sorry, u want me to explain it again? did u get it..?

[dan90]

hey am a noob and i'd like to get A*s 

[IGCSE hater!]

i am panicinnnnnnnnggggggggggggggggggg
ok biotechnology??

[kam]

i am panicinnnnnnnnggggggggggggggggggg
ok biotechnology??

wot do ya mean by that?

[IGCSE hater!]

i mean any of you can give me a link where i can study biotechnology or explain it to me

[kam]

so llike the use of microorganisms in food industry and all that?
and fermentation
and use of mo in washing powders?

[IGCSE hater!]

yea like the single celled protein...bread production and yeast and all

[kam]

yea like the single celled protein...bread production and yeast and all

ter tell ya the truth i really am not sure
but here is wot i think it means

scp is used to make quorn which is an alternative to meat

yeast is used as a catalyst to make bread dough rise using co2

and uses anaerobic respiration
soo..
c6h1206=co2+c2h5oh

[12345abc]

ok so u know these questions about graphs of heartbeat in paper 1,they give the graph then ask where valves close and the pulse rate...plz help...i m feeling like i know nothing

\
Ok, well.. ive never seen something like that before..but if i use my knowledge.. I would think that at every heart beat- the flow of blood increases--and therefore the pressure increases (By the way whats the variables?-like whats on the x and y axis) anyway, and valves stop blood from backflowing..so therfore everytime theres a valve, there is alot large pressure, because it propels the blood upwards and out of the heart- instead of letting it trickle back into the atrium

no no i got it...thanku!!!!!!!!!

[shagurl]

Green plants can make all the materials(including fats and sucrose)using water,carbon dioxide and salts. They r synthesized from sugar molecules and other molecules produced in photosynthesis.

Glucose and amino acids are transported in solution(water). Fats are synthesized for cell membrane and for storing in seeds.

our science coordinator said look for the language! they said lacking which means that the animal has water but not is enough supply
LOOK for the language!!!!!!!!!