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GCSE

Why is there both cyclic and non-cyclic photophosphorylation in photosynthesis? (A level)

Non-Cyclic photophosphorylation is a linear process involving the entire electron transport chain. The products of non-cyclic photophosphorylation are ATP (generated by a build up of H+ inside the ...

Answered by Flo A. • Biology tutor

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describe the function and structure of the cardiovascular system

function;to pump oxygenated blood to respiring tissuesto remove waste products such as carbon dioxideprovides nutrients to tissues regulation of body temperate - via vasoconstriction and vasodilation

Answered by Paula M. • Biology tutor

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Describe the differences in the structure of an artery, vein and capillary?Explain the functional use of their structures??

Both veins and arteries have a three layered structure - tunica intima (endothelium and the inner layer),tunica media (muscle layer) and tunica externa ( mainly contains collagen and connective tissues).A...

Answered by Anu G. • Biology tutor

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what is the difference between an animal cell and a plant cell?

animal cells are also known as eukaryotic cells. The main difference

Answered by Ridhima J. • Biology tutor

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What is the structure of DNA?

The DNA exists as a double helix. It consist of two intertwined polynucleotide chains that run anti-parallel (in opposite directions) to each other, resembling a ladder twisted around itself. The DNA pol...

Answered by Oliwia W. • Biology tutor

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