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A level Biology: Post your doubts here!
Statement 2 is wrong as DNA's nucleotides have ribose while RNA's nucleotides have deoxyribose therefore not the same. -
A level Biology: Post your doubts here!
Q23 = C Q18= A as its a passive process -
A level Biology: Post your doubts here!
I think fleshy leaves are just to attract insects or whatever. while reducing stomata reduces the overall water potential gradient not just the low water potential gradient. -
A level Biology: Post your doubts here!
i think maybe alcohol will make proteins insoluble/hydrophobic -
A level Biology: Post your doubts here!
nono its A companion cells pump H+ ions out so that sucrose and H+ can enter through facillitated diffusion -
A level Biology: Post your doubts here!
Each strand contains 15 bases So use complementary base pairing for this for example strand 1 has 6 A bases so strand 2 will have 6 T bases Similarly do this for others and for T substract 15 by total -
A level Biology: Post your doubts here!
There are cross walls linked by pits. -
A level Biology: Post your doubts here!
Its A and Carbon monoxide combines IRREVERSIBLY With haemogoblin -
A level Biology: Post your doubts here!
Oh yeah glycosidic sorry i though 1 C and 2 O -
A level Biology: Post your doubts here!
Lmao i literally forgot about condensation in this one hahaha -
A level Biology: Post your doubts here!
A= Covalent bond B=amide bond D=ester bond -
A level Biology: Post your doubts here!
Whats an extracellular enzyme even though i got the correct answer by guess xD And isnt the formula of maltose supposed to be C12H24O12 since its made up of two glucose? And how come cellulose is fibrous? Edit: i just saw the above post about reducing sugar Q7 what an odd timing xD Thanks... -
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A level Biology: Post your doubts here!
Idk why but this game kinda makes me think about smurfs with guns xD -
A level Biology: Post your doubts here!
Thanks alott but what about the substrate binding to the active site even though non competitive inhibitor alters active site so substrate cannot bind. -
A level Biology: Post your doubts here!
Could you explain 10 and 13? Seems like you have done this paper before :p -
A level Biology: Post your doubts here!
Yes but what bugs me is shouldnt the difference in velocity between arteries and veins be greater? It seems to be so low -
A level Biology: Post your doubts here!
DNA has 2 strands so: 120÷2= 60 60÷3= 20 amino acids 'A'