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Biology
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Describe the synthesis of glomerular filtrate from the blood

Ultrafiltration in the glomerulus caused by high hydrostatic pressure due to the diameter of the afferent tubule being larger than that of the efferent tubule forcing smaller blood plasma, ions and other ...

RN
Answered by Ram N. Biology tutor
3048 Views

Describe the structure of starch

Starch is a polysaccharide of alpha glucose. It is made up of amylose and amylopectin. It forms a branched structure to allow it to be compact, this is due to the fact it contains 1-4 and 1-6 glycosidic b...

EC
Answered by Ediz C. Biology tutor
7093 Views

What is ATP and what makes it a good source of energy in biological processes?

ATP (Adenosine triphosphate) is a nucleotide derivative which is used to store energy to power most of the reactions in a cell. Reminder: Nucleotides are the five bases which make up DNA and RNA -...

AW
Answered by Anna W. Biology tutor
15033 Views

What is a reflex arc?

The three different types, sensory, relay and motor neurons can all be used in a reflex arc; a relay neuron is not always necessary but often is included. It is easiest to remember them in that order as t...

BB
Answered by Bella B. Biology tutor
4520 Views

How is water reabsorption carried out in the kidney?

When water levels are low in the blood, osmoreceptors in the hypothalamus detect this change and trigger the posterior pituitary gland to release a hormone called ADH. ADH binds to receptors on the cell m...

JP
Answered by Jenna P. Biology tutor
3590 Views

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