Top answers

Biology
All levels

How is mitosis different from meiosis?

Mitosis is the replication and division of a cell to produce 2 Identical daughter cells. It happens in all somatic cells all over the body. Meiosis is specific to germ cells (ovaries and ...

SA
Answered by Sophie A. Biology tutor
2946 Views

Explain the structure of cellulose

Cellulose is a linear polysaccharide polymer with many glucose monosaccharide units. The linkage is beta, which makes it different from starch. This difference results in a major different in digestibilit...

SG
Answered by Sarika G. Biology tutor
5265 Views

Why does glucose pass into the kidney but red blood cells and protein do not?

Each kidney contains 1000s of nephrons and this is where a process called ultrafiltration occurs. Blood from the renal artery flows through the glomerulus at high pressure. The glomerulus is a bundle of c...

LT
Answered by Lottie T. Biology tutor
6907 Views

Some phenotypes, such as colour-blindness, are caused by sex-linked genes. Explain why colour-blindness is more common in men than in women

Sex-linked genes are located on the sex-chromosomes, X and Y. Females have two X-chromosomes, XX, and males have one X and one Y-chromosome, XY. The X-chromosome is much larger than the Y-chromosome and s...

ZN
Answered by Zoe N. Biology tutor
10763 Views

Describe protein synthesis

Firstly, DNA is transcripted into mRNA inside the nucleus, controlled by RNA polymerase. The DNA is unwound by RNA polymerase into two strands. There is complimentary base pairing between the template str...

SF
Answered by Sarah F. Biology tutor
3167 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning