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Which is function of a molecule that not a protein?
provide an example of a molecular and function that is transferred using endocytosis and exocytosis
  Below is the protocol to make 1 litre of 10x concentrate PBS.
Combine the following:
80g NaCl
2g KCl
14.4g Na2HPO4 (dibasic anhydrous)
2.4g KH2PO4 (monobasic anhydrous)
800mL distilled H2O
Adjust pH to 7.4 with HCl
Add H2O to 1L
Autoclave for 20 minutes on liquid cycle. Store at room temperature.
Which ions are being produced by this process, assuming that each of the chemical compounds dissociate into their constituent parts once they are dissolved in water?
A living 120-pound woman contains about 6 x 10 grams of carbon-14. How many grams of carbon-14 would remain after 17100 years? What has happened to the rest of the carbon-14? (Assume carbon-14 is a beta emitter with a half-life of 5700 years.)
Can nucleosome contain the DNA for one gene? Explain
1.describe the latest techniques in designing biosensor
2. the princple
3. method n materials
4. why its better

Discuss the job opportunities for enzyme technologist in current and describe the job scope and role of job

During the course of any 24 hour period stomata open and close.

i) Why is this cycle of opening and closing of the stomata necessary? (2)

ii) Account for the change in size of the stoma from midnight to midday with respect to the

· structure of the walls

· various ions and molecules

· the water potential
2. How has Polymerase Chain reaction as a Molecular Biology technique helped scientists in
the fight against SARS-CoV-2? [25 marks]
4. As a Molecular Biologist in a new Pharmaceutical Company, you have been tasked to help
in the fight against a new resistant bacterial disease. Outline the strategies that you would
employ to unpacked the problem at hand, design molecular diagnostic tools, and offer
vaccine strategies leveraging your understanding of Molecular Biology. [25 marks]
A purported promising vaccine for SARS-CoV-2 in clinical trials utilized a messenger RNA
(mRNA-1273) of the virus. Using your understanding of the central dogma of Molecular
Biology discuss the biochemical processes exploited to ensure the desired vaccine effect is
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