Cells Random Retrieval

A doctor vaccinated a group of patients against poliomyelitis. He gave each patient two doses of vaccine, 3 months apart. Explain the differences between the mean concentrations of antibodies in blood samples 1 and 2 .

On the above diagram, where would an antigen bind?

Which of the following is a similarity between diffusion an osmosis?

Which of the following molecules can diffuse directly through the phospholipid bilayer?

a) Oxygen
b) Carbon Dioxide
c) Lipids

Beetroot is a purple vegetable, the cells of which contain a pigment called Betalain. 4 tubes are set up with water and beetroot incubated at different temperatures: 20, 40, 60 and 80 ⁰C. which tube would you predict shows beetroot incubated at 20 ⁰C?

Give an example of a molecule which would pass through F

What substance will structure C be made out of?

Which molecule makes up part D?

If you were to investigate mitosis in plant tissue, which part of a plant would you choose to look at?

At the end of telophase, the cytoplasm cleaves. What is this process called? ( spell it correctly)

Which phase of mitosis is when the chromosomes line up along the equator?

What happens in G1 phase?

Which organelle will be found in supernatant C?

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?

Which type of electron microscope produces a 2D image?

True or false : plasmids contain non essential genes

True or False: The circular chromosome can only replicate once per division, but the plasmids can replicate multiple times.

Which of the following organelles has a different structure in prokaryotes when compared to eukaryotes.

Name structure A

Name this organelle.