U2T4 – Microscopes and Fractionation

What term describes the ability to see two separate points, as two separate points. Rather than one large point on an image ? (You need to spell it correctly!)

Which of the following organelles are visible with a light microscope?

a) Nucleus
b) Lysosomes
c) Chloroplasts

Which of the following are NOT visible with a light microscope?

a) Plant Permanent Vacuole
b) Rough Endoplasmic Reticulum
c) Golgi Body

What does TEM stand For?

What does SEM stand for?

Which type of electron microscope produces a 2D image?

Which type of electron microscope show the density of the specimen as a dark patch?

Which type of electron microscope can only be used on non-living samples?

Which type of electron microscope can be used on a thick specimen?

Which type of electron microscope produced this image?

Which type of electron microscope produced this image?

To look at a fresh sample under a light microscope, you'll need to prepare a temporary mount. What is NOT used to stick the specimen to the microscope slide?

To look at a sample under a microscope, you need to prepare a temporary mount. Why does the specimen have to be thin?

Which organelle will be found in pellet A?

Which organelle will be found in pellet B?

Which organelle will be found in pellet B?

Which organelle will be found in supernatant C?

The process shown in the diagram is 'Cell ___________' (spell it correctly)

Why must the solution used to homogenise be cold?

As well as being cold, what must the solution also be?