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Explain why the body tenses up in rigor mortis

This is because when an organism dies there is no source of ATP, without this source of ATP ant myosin heads attached to the actin binding site cannot detach therefore leaving the muscles in a contracted ...

Answered by Biology tutor
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How does natural selection occur?

A population of organisms exists with a set range of alleles. In an organism, a random mutation can result in the formation of a new allele. Some mutated alleles can be beneficial to an organism, and incr...

Answered by Thendrral P. Biology tutor
3332 Views

Show that 2sin(x) =(4cos(x)-1)/tan(x) can be written as: 6cos^2(x)-cos(x)-2=0

Rearranging gives:4cos(x)-1 = 2sin(x)tan(x) Substituting in tan(x)=sin(x)/cos(x) gives:4cos(x)-1 = 2sin(x)(sin(x)/cos(x))2sin2(x)=4cos2(x)-4cos(x)Substituting in 2sin2<...

Answered by Olivia T. Maths tutor
15294 Views

Why must a cell's genetic material be replicates before nuclear division of the cell? (2 Marks)

The new cell must be a genetically identical copy of the first cell. Both daughter cells must receive a full copy of the DNA.

Answered by Olivia T. Biology tutor
1818 Views

Why does food decay faster in hotter climates?

The key to this kind of question is how you word your answer - you vocabulary must be very specific.You are looking to highlight that microbes can respire faster, which in turn let...

Answered by Conor S. Biology tutor
2580 Views

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