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A level Biology: Post your doubts here!
No just add them for TOTAL time for which both are closed -
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A level Biology: Post your doubts here!
Both of them are close between the time intervals marked with green (between 1&2 + between 3&4) Sorry it's a bit rough but hope u understand -
Chemistry: Post your doubts here!
No it's A How are the bonds supposed to break in this compound? -
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Chemistry: Post your doubts here!
Yes it is B I'm a bit confused about reaction 2...there will be some bonds breaking as well which is endothermic so how do we know that the overall reaction is exo? -
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Chemistry: Post your doubts here!
Someone plz explain these...also plz explain why the other options are wrong -
Chemistry: Post your doubts here!
For 32, O has 2 unpaired p electrons and for the Cl+, u need to understand that Cl atom has 5 p electrons, 2 paired and 1 unpaired...when Cl+ is formed, the electron removed is from the full p orbital, leaving 2 unpaired p electrons behind Once u understand this, u can easily work out 2 and 3 -
Chemistry: Post your doubts here!
In 28 A, an intermediate is formed with O- and so the reaction is a 2 step process Similarly with D, first 1 Br attaches and a carbocation is formed and so it is also a 2 step pathway -
A level Biology: Post your doubts here!
Why have u memorized it? Sometimes the question has slightly different wording...like it asks about the number of phospholipid layers, no. of phospholipid bilayers, etc -
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Chemistry: Post your doubts here!
Ohhh thanx alot :) May God bless u for that! -
Chemistry: Post your doubts here!
Can someone plz help me with this one? -
A level Biology: Post your doubts here!
At the same time, blood at higher pressure from the left atrium can also enter the right atrium and I guess it will have a greater chance of flowing this way bqz movement is from high to low pressure This will increase the pressure in the right atrium Why is this so confusing :( -
A level Biology: Post your doubts here!
Ummm yes I think...idk why did I write so:D A should also be right then...there is no point of it being wrong -
A level Biology: Post your doubts here!
I think it can not be A because due to the mixing of blood, some of the blood from the left atrium will go into the right atrium. Since the pressure in the left atrium is lower than the right, so the pressure in pulmonary artery will decrease...not increase -