A level Biology: Post your doubts here!

[Hisham Khan]

Can anyone explain this?

 

[SohaibButt]

I even

View attachment 63934
Can anyone explain this?

Not get this one

 

[Hisham Khan]

I even

Not get this one

I got it by elimination method.I finally got this bad ass question

 

[Hisham Khan]

good question

 

[Hisham Khan]

O.O

 

[Hisham Khan]

WHat is A and D for

 

[Tajrina Promela]

This is from Oct/Nov 2017, v - 12. The answer is C, but how?

 

[blymphocytes]

View attachment 63914
Answer and Why??

Okay i'm not sure, but i think it would be 10 because one tRNA molecule contains the 3 bases which attaches to three bases of the mRNA when the translated.
Hence, I'd go with 10.

 

[Hisham Khan]

Okay i'm not sure, but i think it would be 10 because one tRNA molecule contains the 3 bases which attaches to three bases of the mRNA when the translated.
Hence, I'd go with 10.

Answer is 4 because each trna has anticodon for 1 amino acid as there are 4 different kinds of 10 aminoacids 4 trna for 10 of them

 

[Hisham Khan]

CAN ANYONE PLS TELL ME NAMES OF A AN D BONDS AND WHERE ARE THEY FOUND

 

[Hisham Khan]

Very tricky question

 

[Kanekii]

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 in advance and heres your reward:



'self satisfaction'

 

[Hisham Khan]

Why D?

 

[Hisham Khan]

Whats an extracellular enzyme even though i got the correct answer by guess xD
View attachment 63943 View attachment 63944 View attachment 63938 View attachment 63939 View attachment 63940 And isnt the formula of maltose supposed to be C12H24O12 since its made up of two glucose?
Why doesnt Q7 contain a non reducing sugar?
And how come cellulose is fibrous?

One oxygen is removed in condensation lol

 

[SohaibButt]

View attachment 63934
Can anyone explain this?

Bro how do u get this one?

 

[Hisham Khan]

One oxygen is removed in condensation lol

cellulose is fibrousjust remember lol

 

[Hisham Khan]

SOMEONE HELP ME WITH BONDS OMG XD

 

[Hisham Khan]

Why not quatenary

 

[Hisham Khan]

Good q

 

[Hisham Khan]

Isin't B the wrong option????