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Describe the role of RUBISCO in plants and evaluate the importance of RUBISCO in the Calvin Cycle? (8 Marks)

combines CO 2 with { ribulose bisphosphate / RuBP } two molecules of { glycerate 3-phosphate / GP } RUBISCO is important for the Calvin Cycle because: It is an enzyme SO it lowers the activation energy for a...
JO
Answered by John O. • Biology tutor
10070 Views

How is ATP used in myofibril contraction?

ATP is bound to the myosin head to cause detachment of the head from the actin filament, the ATP is then hydrolysed and as a result the myosin head reattaches to the actin filament. The now hydrolysed ATP, i...
SW
Answered by Sam W. • Biology tutor
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State where most water reabsorption takes place in the kidney. State also the process by which the water is reabsorbed.?

Most water reabsorption takes place in the proximal convoluted tubules, part of the nephrons in the kidney. Water is reabsorbed by a process called osmosis; the diffusion of water from an area of high water ...
DR
Answered by Dearbhail R. • Biology tutor
43994 Views

Describe the structural differences between DNA and RNA.

DNA is a double stranded macromolecule which is composed of nucleotides . The two DNA stands, joined by hydrogen bonds between the nucleotides and running antiparrallel to each other form a double helix stru...
AA
Answered by Annie A. • Biology tutor
12837 Views

Describe the events of translation in DNA to produce mRNA

answer should include the use of helicase to 'unwind' DNA, breaking of hydrogen bonds, template and/or coding strand, free RNA nucleotides in the nucleus binding to exposed bases, attraction of base pairs us...
BS
Answered by Bronte S. • Biology tutor
3304 Views