biology paper 1 problem

[SHUBHAsnlnm]

http://www.xtremepapers.com/CIE/Interna ... 7_qp_1.pdf
question number 15. help needed.. no idea

 

[makaveli]

c

 

[noobleet]

There is the need for energy to be spent to move the 6-carbon. Since there is no oxygen, it doesn't happen (only nitrogen is passing).

 

[SHUBHAsnlnm]

same question paper question number 24..help

 

[lychee26]

copy/paste the question
i cant open the link :/

 

[zenyatales]

same question paper question number 24..help

The answer is C again for Q.24.
Because the more the surface area of the cell, the more the glycoproteins and glycolipids , which are detectors for hormones.


http://www.xtremepapers.com/CIE/Interna ... 7_qp_1.pdf

 

[zenyatales]

Are the only cell organelles viewable by a light microscope (x400) : the nucleus and nucleolus ?

 

[SHUBHAsnlnm]

no.. mitochondria chloroplast are also visible

 

[deepa1802]

no.. mitochondria chloroplast are also visible

mitochondria cant be seen using light microscope

 

[sweetiepie]

viewtopic.php?f=26&t=11234

next time post ur doubts here