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Describe how the sequence of bases in a DNA molecule would be used to form the primary structure of a protein.

The sequences of bases in a DNA molecule will determine the amino acid sequence in the protein that it encodes for. The bases are arranged in triplets where one triplet will encode for one amino acid in a no...
MM
Answered by Madeleine M. • Biology tutor
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Describe the synaptic transmission of a nerve impulse at the neuromuscular junction

As an action potential arrives at the presynaptic terminal, a depolarisation of the motor neuron membrane occurs which initiates the opening of voltage-gated Ca 2+ ion channels - releasing Ca 2+ into the neu...
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Answered by Adam B. • Biology tutor
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Explain synaptic transmission at a cholinergic synapse.

A synapse is a gap between neurons that allows communication between different neurons using chemical messengers or neurotransmitters . Let's start simple and describe the basic structure of the synapse; it ...
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Answered by Maaz M. • Biology tutor
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Describe the changes that take place to maintain glucose concentration in exercise.

During exercise, blood glucose concentration falls due to the increased energy demand and glucose uptake of skeletal muscles. This fall in glucose concentration is detected by the alpha and beta cells in the...
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Answered by Henry B. • Biology tutor
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Describe the structure of DNA

Deoxyribonucleic acid (DNA) is the hereditary material in almost all organisms and is responsible for carrying out genetic instructions in the cell. DNA is a polymer of nucleotides and each nucleotide has 3 ...
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Answered by Joe P. • Biology tutor
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