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Explain how skeletal muscle contraction is stimulated

A nerve impulse travelling down a motor neurone causes the release of acetylcholine from the synpatic knob into the synaptic cleft. This then diffuses across the synaptic cleft down its concentration grad...

Answered by Michael J. • Biology tutor

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What are the four main processes that occur in spermatogenesis within the testes?

1.Mitosis: division of germline epithelium (into spermatogonia)
2. Cell growth
3. Meiosis (2 divisons): results in four haploid daughter cells
4. Cell differentiation: forming sperm cells

Answered by Tutor20528 D. • Biology tutor

3025 Views

What is the difference between Areobic and Anaerobic Respriation

Areobic Respiration requires oxygen to release energy, producing water and carbondioxide as waste products according to equation belowC6H1206 + 6O2 = 6CO2 + 6H20Areobic respriation occurs in the mitochond...

Answered by Victoria E. • Biology tutor

7417 Views

Q: Describe the structure of an amino acid and the formation of a peptide bond.

Proteins are made up of organic molecules called amino acids. There are thousands of different proteins with diverse functions: storage, transport, structural support, cellular communi...

Answered by Florence M. • Biology tutor

22564 Views

What is Exocytosis?

Exocytosis is the process by which a cell secretes large substances (such as digestive enzymes or hormones) that have been produced inside the cell.

Substances produced inside the cell are...

Answered by Lucy S. • Biology tutor

11716 Views