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What are the different enzymes involved in replication and what do they do?

There are many enzymes which are crucial for replication. The first is helicase which unwinds the double helix at the replication fork. DNA gyrase then reduces the strain caused by the unwinding of the helix...
HD
Answered by Hana D. • Biology tutor
2171 Views

What controls the different types of aeolian transport?

There are 3 main types of aeolian transport - suspension, saltation and surface creep. Suspension involves sand particles being carried within the air. Saltation is the bouncing of grains along the surface b...
HK
Answered by Hannah K. • Geography tutor
11868 Views

How does a neuron transmit a signal across a synapse?

When an action potential from a pre-synaptic neuron approaches a synapse, the change in membrane potential causes voltage-gated calcium ion channels to open across the pre-synaptic bulb. Due to the high diff...
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Answered by Scott W. • Biology tutor
4866 Views

Outline the important features of utilitarianism

Utilitarianism is an ethical theory based on the principle of utility. Utility states that a right action is one, which produces "the greatest good for the greatest number" . The principle was foun...
TA
23712 Views

What is the subjunctive and how is it used?

The subjunctive is a mood that is very commonly used in Spanish. It is not very common in English, but the closest equivalent would be the use of "were" in phrases such as "If I were a doctor,...
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Answered by Sofia C. • Spanish tutor
3076 Views