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What is the difference between meiosis and mitosis?

Meiosis concerns the division of cells within sexually reproducing organisms. It results in the formation of four daughter cells via meiosis I and meiosis II. These daughter nuclei are described as 'haplo...

Answered by Kestrel M. • Biology tutor

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Explain the differences in structure between a vein and an artery

Arteries have a narrower lumen with a thicker layer of muscle tissue which contains more elastic. Whereas veins have a wider lumen with a thinner layer of muscle tissue. Veins also contain valves to preve...

Answered by Louis K. • Biology tutor

2103 Views

i) Briefly explain the difference between anaerobic and aerobic respiration (2). ii) Which of these reactions produce more energy and briefly describe why?(2)

i) Anaerobic and aerobic respiration are both biochemical reactions (see below): ANAEROBIC RESPIRATIONGlucose = lactic acid + energy releasedAEROBIC RESPIRATIONGlucose + oxygen= carbon dioxid...

Answered by Mani C. • Biology tutor

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Explain what happens to plant shoots when sunlight only reaches one side of the tip

Due to sunlight only reaching one side of the tip, the plant hormone auxin will gather on the shaded side. As the auxin is acting in the plant shoot, it promotes cell division and elongation of the shaded...

Answered by Joseph J. • Biology tutor

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Describe the control of the menstrual cycle by the hormones FSH, LH, Oestrogen and Progesterone, in the situation where the person does not become pregnant. You may use a diagram to show how their levels change throughout the cycle.

Day 1-5: FSH is released from the pituitary gland and stimulates the primary oocytes to complete meiosis 1 and mature. The primary oocyte is inside a primary follicle which matures into a Graafian follicl...

Answered by Udita D. • Biology tutor

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