Question 1 (2 parts) - Techniques and theory: Background: medical technician col

Question

Question 1 (2 parts) - Techniques and theory: Background: medical technician collects buccal cells from a patient in order to run some tests. Question 1 Part 1: Which of the following statements about these buccal cells is CORRECT? 1. The technician could compare genetic material from these cells with genetic material from blood collected at a crime scene 2. Many of the cells will be undergoing meiosis 3. To directly visualise the nucleus of these cells, the technician will stain them with eosin 4. The cells are likely to contain a relatively high number of mitochondria compared to cardiac muscle Answer- correct option is: Question 1 Part 2: Justify for each option above, in 10 words or less, why you think it is correct/incorrect Option number 1: Option number 2: Option number 3: Option number 4: [2 marks] [2 marks] [2 marks] [2 marks] [2 marks] NOTE: Marking will incorporate consideration of answer clarity and logic Paragraph BIEE Part 1 answer

Explanation / Answer

1) correct option is 1.

2) option 1 : correct because DNA obtained from the buccal cells could be compared with that of the blood obtained from crime scene

Option2 : incorrect ;buccal cells are somatic cells so they may under go mitosis not meiosis

Option 3: incorrect ; methylene blue is used for the staining

Option 4: incorrect ; heart muscle contain higher density of mitochondria as it has to convert energy

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