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Biology
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Explain a reflex arc

A reflex arc is the nerve pathway which follows a reflex action. First a stimulus, like a pin prick, is detected by receptors in the skin. A sensory neurone then sends electrical impulses to a relay neuro...

CS
Answered by Clara S. Biology tutor
10707 Views

What does ADH do in the Kidney?

ADH or Anti Diuretic Hormone is a hormone that regulates the amount of water absorbed in the kidney. It acts on the collecting duct of the kidney, which is the last part of the nephron (a single functiona...

JH
Answered by Julia H. Biology tutor
5990 Views

What is mitosis?

Mitosis is the process of cells dividing to form two identical daughter cells. It consists of five stages: interphase, prophase, metaphase, anaphase and telophase. Interphase is the stage during which the...

CH
Answered by Chloe H. Biology tutor
2658 Views

State three ways in which a yeast cell differs from plant cells.

Yeast cells contain stored glycogen, whereas plant cells contain stored starch.
Plant cells reproduce through mitosis whereas yeast cells reproduce through binary fission
Plant cells contain chl...

CB
Answered by Coralie B. Biology tutor
8217 Views

Describe how water moves from roots to leaves (3 marks)

Via the process of transpiration:Water is evaporated from the leaves in the canopy. Due to capillary action, this causes more water to move up the plant through the xylem vessels to replace the water as i...

LN
Answered by Laura N. Biology tutor
4771 Views

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