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State one similarity and one difference between homologous chromosomes.

Homologous chromosomes pair up during meiosis and contain one paternal and one maternal chromosome. So, these chromosomes are the same length, have the same centromere loci and contain the same sequence of g...
PL
Answered by Phoebe L. • Biology tutor
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Expand and simplify (b-4)(b+5)

First expand (b-4)(b+5) b 2 -4b+5b-4*5Simplifyb 2 +b-20
AW
Answered by Alisha W. • Maths tutor
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Describe the process of mitosis

The cell is initially in interphase, where the organelles double, DNA replicates and protein synthesis occurs.Prophase: Chromosomes condense, mitotic spindle begins to form, the nuclear envelope breaks down....
DH
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Given f(x)= 8 − x^2, solve f(3x) = -28

First substitute (3x) into the equation for f(x), giving f(3x) = 8 - 9x 2 . This is then equal to -28 and so it is remains to solve the equation 8 - 9x 2 = -28. This can be written as 9x 2 = 36, dividing thr...
GG
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Expand and simplify x(2x+1)(x-3)

First multiply the brackets to get: (2x 2 - 6x + x - 3), Simplify to get: (2x 2 - 5x - 3), This is then all multiplied by x to get: 2x 3 - 5x 2 - 3x.
GG
Answered by George G. • Maths tutor
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