Top answers

Biology
IB

What is the difference between a eukaryote and a prokaryote?

Generally a prokaryote is smaller, reaching roughly up to 5μm while eukaryotes are larger reaching roughly up to 100μm.

Eukaryotes have 80s ribosomes but prokaryotes have 70s ribosomes. <...

NH
Answered by Nadia H. Biology tutor
3347 Views

Compare competitive and non-competitive inhibition

Competitive inhibition:

-Single active site for binding of substrate/competitive inhibitor

-binding does not change the strutcure of protein

-...

TS
Answered by Tatiana S. Biology tutor
11727 Views

Explain how amino acids could be identified using gel electrophoresis

The sample of amino acids is placed in the center of a polyacrylamide gel, across which a voltage is applied. Depending on the pH of the buffer, the amino acids will move at different rates towards either...

EH
Answered by Eleanor H. Biology tutor
12563 Views

Distinguish between active and passive immunity

Active immunity is due to the over production of antibodies by the organism itself after the body's defence mechanisms have been stimulated by the invasion of foreign micro-organisms. Whereas, passive ...

MR
Answered by Mani R. Biology tutor
7208 Views

What is a dominant allele?

An allele that has the same effect on the phenotype whether it is present in homozygous or heterozygous state. Dominant alleles mask the effect of recessive alleles. 

MR
Answered by Mani R. Biology tutor
6370 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:

© 2025 by IXL Learning