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Biology
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Name and describe the 4 steps involved in aerobic respiration

Glycolysis- This is the first step which occurs in the cytosol. glucose broken down into pyruvate yielding 2 net atp and 2 pyruvate molecules per glucose. This is the only step in anaerobic respiration. <...

Answered by Uchenna O. Biology tutor
3681 Views

How is information transmitted across a chemical synapse?

By neurotransmitters. At a neuromuscular junction, the neurotransmitter is Acetylcholine released from vesicles in the pre-synaptic neurone. Receptors on the muscle cell surface bind acetylcholine in the ...

Answered by Uchenna O. Biology tutor
2093 Views

What is a synapse?

In the nervous system, information is carried by electrical impulses from sensory neurons to the brain, from the brain to motor neurons, and within the neurons of the brain itself. A synapse is a connecti...

Answered by Robert H. Biology tutor
3344 Views

Give 3 differences in structure between DNA and mRNA

DNA contains the nucleotide base thymine whereas mRNA contains the nucleotide base uracil instead

DNA is double stranded, mRNA is single stranded

DNA contains the sugar subunit deoxyribose, ...

Answered by Callum B. Biology tutor
9549 Views

Use a genetic diagram to work out the probability that the offspring have cystic fibrosis if both parents are carriers.

CF is a homozygous recessive condition. This means that it is inherited, ie a child gets the condition by the genetic material passed on to it from its parents. Let's call the faulty allele f (which is al...

Answered by Eksha G. Biology tutor
2810 Views

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