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BMS1021 - Cells, tissues and organisms - S1 2025

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What are the minimum requirements of a cell? Select all that apply. Marks are deducted for incorrect answers.

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Question 4

 

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Fig. 4 - Structure of the amino acid Histidine 

Using the

information provided in

Fig. 4,

create a series of 3 diagrams that

describes

the structure/ionisation

state of

Histidine

at pH 4, 8 and 11.  Record a brief video screen sharing your

images, and explain how you arrived at your answer, ensuring you define pKa in

your explanation (1 min maximum).

 5 marks for diagrams & video

 3. Requirements:

-This is an oral presentation, you must record your own voice.

-Record your video in a quiet space (using headphones/microphone if available can help with audio clarity). 

-No more then 3 diagrams.

-The video length must be no longer than 1 minute. 

-Convert your video file to MP4.

-Please put your name on the file & upload below.

 1 mark for fulfilling requirements

 
6 MARKS TOTAL

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Question 3C:  (2 marks)

Which of the following lipids will be the most soluble in water and why? (100 words max) 

Question 3D:  (2 marks)

To which family of lipids do lipid 4 belong? In the cell, where could it be found?  (100 words max)

Question 3E: (2 marks)

Describe the structure of lipid 4 from “top to tail”? What are the major characteristics that make it suitable for the location you suggested in 3D?

(100 words max)

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Question 3B (2 marks for annotated figure)

1.

Take a

screenshot/save a copy of the image shown in Figure 3 and paste this into a

document to edit (such as word, powerpoint etc).

2.

 Annotate

the image to clearly highlight the unsaturation position(s) in the figure, and

re-upload your version below.

3.

Requirements: (

1 mark for fulfilling requirements)

-

Convert your file to a PDF

- No

more than ONE A4-page of work (diagram and explanation)

- No

smaller than 12-point font

-

Please put your name on the document & upload below.

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Use Figure 3 to answer questions 3 below.

Question 3A  (1 mark)

Which of the following lipids are saturated?

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Question 2A

Distinguish between a

peptidic and glycosidic linkage

. Illustrate this by selecting 2 molecules from the ones

shown in

Fig. 2. Copy and paste your chosen 2 molecules below

and explain your choice (100 words maximum).

2 marks

Question 2B

Distinguish between

primary and tertiary structure

. Illustrate this by selecting 2 molecules from the ones

shown in

Fig. 2. Copy and paste your chosen 2 molecules below

and explain your choice (100 words maximum).

2 marks 

4 MARKS TOTAL

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Figure 1: 

(A) Mixture of water and hexane in separatory

funnel. (B) Structure of hexane.

Question 1A:

Knowing the molecular

characteristics of water and given the structure of hexane (Fig. 1B) , describe the phenomena observed in

Fig. 1A

and provide an explanation for such phenomena.

 Your task is to:

1. 

Generate a labelled

diagram to support your answer (may be hand drawn & photograph uploaded or

drawn by you using a stylus). 

Note:

 You will only be

marked on the accuracy and clarity of your diagram NOT your artistic ability.

4 marks for diagram & explanation

2.  Requirements:

Convert your file to a PDF

No more than ONE A4-page of

work (diagram and explanation)

No smaller than 12-point

font

Please put your name on

the document & upload below

1 mark for fulfilling

requirements

 5 marks total

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Question 1B: Why sand and water at the beach on a hot day appear to

be different temperatures? 

 Your task is to:

1

. Knowing the molecular

characteristics of water, create an original diagram to explain this

question. Include a short video (1 minute and 30 seconds maximum) narrating

your explanation of the diagram.

NOTE: You will only be

marked on the accuracy and clarity of your diagram/explanation NOT your

artistic ability or video editing skills (only the content is important).

4 marks for diagram &

video

2. Requirements

This is an oral presentation, you must record your own

voice.

Record your video in a quiet space (using

headphones/microphone if available can help with audio clarity). 

No more than 1 diagram.

The video length must be no longer than 1 minute and 30

seconds.

Convert your video file to MP4.

Please put your name on the file & upload

below.

1 mark for fulfilling

requirements

5 marks total

 

 

 

 

 

 

 

 

 

 

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