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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

3640 Views

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

Peptide bond - CO - NH -

Answered by Isobel M. • Biology tutor

1753 Views

How exactly do 'carcinogens' actually cause cancer after damaging cells?

Carcinogen is a catch-all term for substances that lead to increased formation of cancers. There are actually several ways a carcinogenic substance can lead to cancer. One way is by attacking the DNA itse...

Answered by Nicholas W. • Biology tutor

1481 Views

Why are antibodies made in Mice, are there disadvantages or advantages to this?

The first scientists to explore the use of antibodies for medicine used mice, and sometimes other animals, to produce antibodies, particularly because that was one of the first methods available using the...

Answered by Nicholas W. • Biology tutor

1867 Views

Male B has a mass of 72kg, and a height of 1.81m. Calculate the BMI of Male B to 3.s.f. (3)

I would describe the formula first:BMI = weight in kg/height in m^2
Now look at the number of marks offered = 3. Means you need to show your working, calculate the BMI accurately, and IMPORTANTLY, in...

Answered by Benoit J. • Biology tutor

3891 Views