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How do you calculate the magnification of an image? For example, if the real size of a cell is 30um and the size of the cell in the textbook is 60mm, what is the magnification?

= size of image/ real size of object Can use the magnification triangle to work this out. Can also use the triangle to calculate each image size or object size, if you already have the scale of magnification...
HF
Answered by Harriet F. • Biology tutor
12319 Views

Compare the induced fit model and lock and key model for enzyme-substrate binding.

The lock and key model states that there is only one correctly sized substrate (key) for the activate site (lock) of each enzyme, therefore only one key can open each lock (react). The induced fit model howe...
JM
Answered by James M. • Biology tutor
9232 Views

Name the 3 types of blood vessels in the human circulatory system and discuss how they are adapted to carry out their functions.

The three types of blood vessels in the human circulatory system are arteries, veins and capillaries. Arteries are the vessels that transport blood away from the heart and are therefore adapted to the transp...
YJ
Answered by Yashoda J. • Biology tutor
4347 Views

Describe the process of synaptic transmission with regard to action potentials

the action potential arrives at the terminal of the axon. The arrival of the action potential will cause voltage gated calcium ions to open allowing the calcium ions to rush into the axon terminal. The arriv...
AH
Answered by Ali H. • Biology tutor
2338 Views

Give two features of DNA AND explain how each one is important in DNA replication.

1. DNA is double stranded. This means that when the strands separate during replication, both strands can be used as templates to produce two new double stranded DNA ,each containing one of the original stra...
AM
Answered by Adam M. • Biology tutor
4448 Views