Search our library of homework questions

Top answers

All subjects

All levels

Sperm cells and muscle cells are both specialised animal cells. Outline one way in which these two cells are different.

Sperm cell is haploid whereas muscle cell is diploid

Answered by Isobel M. • Biology tutor

4770 Views

Without calculation, predict (giving you reasoning) whether the entropy change for the following reaction will be significantly positive, significantly negative or approximately zero: MgO(s) + CO2 (g) --> MgCO3 (s)

Significantly negative. A gas is turning into a solid thus there is less of a tendency towards randomness.

Answered by Isobel M. • Chemistry tutor

2683 Views

Name and draw the type of bond that joins amino acids together.

Peptide bond - CO - NH -

Answered by Isobel M. • Biology tutor

2705 Views

TSA Oxford 2009 Section 1 Question 11 (https://www.admissionstesting.org/Images/99502-tsa-oxford-2009-section-1.pdf)

(https://www.admissionstesting.org/Images/99502-tsa-oxford-2009-section-1.pdf)There is widespread and justified concern about the reliance on expert opinion in law court cases. Where experts disagree on a...

Answered by Mika Erik M. • TSA Oxford tutor

1642 Views

A cylinder has a radius of 4 cm and volume of 800 cm3. A similar cylinder with the same height has a volume of 200 cm3. Find the radius of the smaller cylinder.

Firstly, we have to understand how the radius of the first cylinder was used to calculate its volume. Then we can use that understanding to then use the information we have about the other cylinder to cal...

Answered by Mika Erik M. • Maths tutor

3207 Views