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How exactly do you explain mitosis?

preceded by interphase - DNA is being replicated and the two identical copies remain joined at centromere.-prophase - visible chromosomes and centrioles move to opposite poles spindle fibres develop, nuclear...
RF
Answered by Ryanne F. • Biology tutor
2929 Views

Explain the process of inspiration and the various muscles involved.

During inspiration the diaphragm contracts and flattens and the external intercostal muscles contract. This moves the rib cage up and out and increases the volume of the thorax. This reduces the pressure ins...
RB
Answered by Ravi B. • Biology tutor
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Please explain the difference between the 'passato prossimo' and 'l'imperfetto':

The "passato prossimo" refers to events that are completed, but have some relation to the present. Events which happened long ago can still be expressed in this tense when the event is seen as stil...
Answered by • Italian tutor
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Why was modernisation of the Soviet Union necessary for Stalin?

Modernising the Soviet Union was important for a number of reasons, primarily the need to prove communism was a viable and strong form of government in the eyes of the Western world. As the first nation to f...
OH
Answered by Olive H. • History tutor
7908 Views

Prove algebraically that n^3 +3n -1 is odd for all positive integers n

There are 2 possible cases. First when n is even, then let n = 2k where k is a positive integer. Substituting n = 2k gives us: (2k) 3 + 3(2k) -1 = 8k 3 + 6k - 1 [We are trying to prove that it is odd so try ...
Answered by • Maths tutor
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