Biological Molecules | Past NTS Sindh Mdcat from Sindh Textbook Board | mosaicbro.com
Biological Molecules | Past NTS Sindh Mdcat from Sindh Textbook Board
7 of 29 questions
(Page 4 of 5)
Filter by Category
Quiz Settings
(Max: 29 questions available)
(0 for no time limit)
Hold Ctrl/Cmd to select multiple categories. If none selected, all questions will be considered.
00:00
Question 1 of 0
Your Score: 0%
0
Correct
0
Incorrect
0
Unanswered
Review Answers:
22
Which of the following structural level of proteins is indicated by an association of two alpha and beta chains in the hemoglobin molecule? (jsmu 2018)
Correct Answer:D
Explanation:
Quaternary structure involves the assembly of multiple polypeptide chains, as seen in hemoglobin.
23
Because it is capable of dissolving more substances than any other liquid, ______ is called the 'universal solvent'. (NTS 2019)
Correct Answer:D
Explanation:
Water's polarity allows it to dissolve many substances, earning it the title of universal solvent.
24
An acyl glycerol is composed of a glycerol and fatty acid molecules in a ratio of: (lumhs 2015)
Correct Answer:C
Explanation:
Acyl glycerol (triglyceride) consists of one glycerol molecule and three fatty acid molecules.
25
What occurs when sucrose is broken down to monosaccharides? (2013)
Correct Answer:D
Explanation:
Hydrolysis of sucrose uses water to break it into glucose and fructose (monosaccharides).
26
The structure of a lipid contains all of the following except: (nts smmbbmu 2013)
Correct Answer:B
Explanation:
Lipids don't have a CH2O basic structure; this is characteristic of carbohydrates.
27
The above diagram represents the process of:
Correct Answer:B
Explanation:
The diagram shows condensation, where molecules combine with the loss of water.
28
Stearin (C57 H10 O6) is an important example of:
Correct Answer:D
Explanation:
Stearin is a triglyceride (acyl glycerol) found in animal fats.