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Biomolecules Test - 83

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Biomolecules Test - 83
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following represents the metabolic anti-transpriant?
  • Question 2
    1 / -0
    Water we take in, plays an important role in?
    Solution
    Water is the medium for various enzymatic & chemical reactions or metabolic processes in the body. It moves nutrients, hormones, antibodies and oxygen through the blood stream and lymphatic system. The proteins and enzymes in our body function more efficiently in solutions of low viscosity. since, water is the medium of transport in the body, it is also lost during removal of wastes outside the body through urine and sweat. This may result in dehydration. Therefore a continuous intake of water is necessary to prevent dehydration.
    Hence the correct answer is (D)
  • Question 3
    1 / -0
    What are the most diverse molecules in the cell?
    Solution
    Proteins are the most diverse of all macromolecules, and each cell contains several thousand different proteins, which perform a wide variety of functions. Example, enzymes, structural proteins etc
    So the correct answer is option C.
  • Question 4
    1 / -0
    Select the mismatched pair.
  • Question 5
    1 / -0
    The substance which are even richer sources of energy than carbohydrates are
    Solution
    $$Fats$$ are the slowest source of energy but the $$\text{most energy-efficient form of food. Each gram of fat supplies the}$$ $$\text{body with about 9 calories, more than twice that supplied by proteins or carbohydrates.}$$ Because fats are such an efficient form of energy, the body stores any excess energy as fat.

    Option A is correct.
  • Question 6
    1 / -0
    Which of the following biomolecules contains a non-transition metal ion?
    Solution

  • Question 7
    1 / -0
    Which of the following statement(s) are correct about biomolecules? 
  • Question 8
    1 / -0
    DNA, present in the nucleus, was named as 'Nuclein' by
    Solution
    As DNA is present inside the nucleus, Friedrich Miescher called it Nuclein
    So, the correct answer is 'Friedrich Miescher'
  • Question 9
    1 / -0
    Amylopectin is
    Solution

    Amylopectin is a branched-chain polysaccharide composed of glucose units linked primarily by α-1,4-glycosidic bonds but with occasional α-1,6-glycosidic bonds, which are responsible for the branching. It is one of the two components of starch, the other being amylose.

  • Question 10
    1 / -0
    Match the following.
    (a)Protein(i)SER
    (b)Lipid(ii)Golgi body
    (c)Glycoprotein(iii)Lysosome
    (d)Hydrolytic enzyme(iv)RER
    Solution
    • The rough endoplasmic reticulum (RER) is so named for the appearance of its outer surface, which is studded with protein-synthesizing structures known as ribosomes. 
    • Smooth endoplasmic reticulum (SER), a meshwork of fine tubular membrane vesicles, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that is involved in the synthesis and storage of lipids, including cholesterol and phospholipids.
    • The Golgi apparatus, functions as a factory in which proteins received from the ER are further processed. Protein processing within the Golgi involves the modification and synthesis of the carbohydrate portions of glycoproteins.
    • Each lysosome is surrounded by a membrane that maintains an acidic environment within the interior via a proton pump. Lysosomes contain a wide variety of hydrolytic enzymes (acid hydrolases) that break down macromolecules such as nucleic acids, proteins, and polysaccharides.
    • Hence, a-iv, b-i, c-ii, d-iii is the correct match.
    • So, the correct answer is 'a-iv, b-i, c-ii, d-iii'
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