Top answers

What is diffusion and how is it different from osmosis?

Diffusion can otherwise be known as the technical term for the movement of particles. It is the process where the particles in question moves from an area where it is high in concentration to an area where i...
AK
Answered by Alvina K. • Biology tutor
16250 Views

How does the structure of a nucleotide contribute to the structure of DNA, and its function as a carrier of genetic information?

There are four DNA nucleotides: Adenine, Cytosine, Thymine and Guanine. They are each made up of a nitrogenous base, deoxyribose sugar, and a phosphate group, and the four nucleotides differ in the structure...
MA
Answered by Matthew A. • Biology tutor
18258 Views

How are electron microscopes (TEM) fundamentally different from light microscopes and what are the advantages and disadvantages of each?

Microscopes, in general, work by concentrating radiation of a given wavelength be it light or electrons (let's think of it as a wave just like light) onto a specimen (condensor/electromagnets) after which th...
YZ
Answered by YuGeng Z. • Biology tutor
5783 Views

What does the term 'enzyme' mean? What conditions affect an enyme's activity?

An enzyme is a biological catalyst Perform chemical reactions by lowering the activation energy ( could then draw out energy diagram ) Form enzyme-substrate complexes to then form enzyme-product complexes (e...
RB
Answered by Rosie B. • Biology tutor
4546 Views

Explain how competitive inhibitors work?

Competitive inhibitors, compete for the active site. They have a similar shape to the substrate and so can bind to the active site and prevent the substrate from binding. This means the subtrate cannot bind ...
RG
Answered by Rabia G. • Biology tutor
3383 Views