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Outline the key stages that occur in mitosis.

The initial stage of mitosis is known as prophase. In early prophase, the nuclear membrane breaks down and the nucleolus disappears. The chromatin condenses into a doubled armed chromosome- comprised of two ...
LF
Answered by Liam F. • Biology tutor
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Compress the following bit pattern using RLE (Run Length Encoding). 1111 0011 1100 0000

The answer is as follows: (4,1) (2,0) (4,1) (6,0)
DC
Answered by Daniel C. • Computing tutor
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f(x) = (sin(x))^3. What is f'(x)

Write sin 3 ( x ) as sin 2 x *sin x and differentiate using product rule, u =sin 2 x , v =sin x , d u /d x =2sinxcosx, d v /d x =cos x where the product rule is u (d v /d x ) + v (d u /d x ). This gets 2sin ...
LR
Answered by Liam R. • Maths tutor
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A linear sequence is as follows: a+b, a+3b, a+5b .... The 2nd term is equal to 15. The 6th term is 47. What is the value of a? What is the value of b? Show your working.

a+3b = 15, a+11b=47 , use simultaneous equations to get 8b = 32 therefore b=4 and a=3.
LR
Answered by Liam R. • Maths tutor
4910 Views

Explain how vaccinations prevent disease.

Vaccinations introduce the human immune system to pathogenic antibodies in a safe way. This could be in the form of the dead pathogen, a genetically engineered version or the lone antibody. The antibody acti...
GK
Answered by Georgina K. • Biology tutor
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