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Mnemonics : Biomolecules | General Awareness for SSC CGL PDF Download

1. Lipids

Mnemonic: MEME SIPA
Mnemonic Explanation:

  • M → Membrane formation
  • E → Energy storage
  • M → Moisture protection
  • E → Enclosure/shock absorption
  • S → Shock absorption
  • I → Insulation
  • P → Protect cells
  • A → Activity regulation (hormones)

2. Steroids

Mnemonic: Cool Teens Eat Testosterone
Mnemonic Explanation:

  • C → Cholesterol (structural role)
  • T → Testosterone (hormone)
  • E → Estrogen (hormone)

3. Carbohydrates

Mnemonic: PSSC
Mnemonic Explanation:

  • P → Precursors for polymers
  • S → Short-term energy storage
  • S → Structural material
  • C → Cell signaling and recognition

4. Proteins

Mnemonic: ESCARMH
Mnemonic Explanation:

  • E → Enzymes
  • S → Structure (keratin, collagen)
  • C → Carriers (hemoglobin, transport proteins)
  • A → Antibodies (binding foreign substances)
  • R → Regulation (hormones like insulin)
  • M → Muscle contraction (actin, myosin)
  • H → Health (deficiency → PEM, Kwashiorkor, Marasmus)

5. Nucleic Acids

Mnemonic: D-R-T
Mnemonic Explanation:

  • D → DNA (database of proteins, 5 types: A, B, C, D, Z)
  • R → RNA (worker types: tRNA, rRNA, mRNA)
  • T → Traits → DNA → RNA → Proteins determine traits

6. Enzymes

Mnemonic: CAT HAPPI
Mnemonic Explanation:

  • C → Catalysts
  • A → Active site
  • T → Turnover huge (10–12x faster)
  • H → Holoenzyme (complete), Apoenzyme (protein part)
  • A → Acting as promoters, pumps, receptors
  • P → PH optimum 7–8
  • P → Proper temperature 35–40°C
  • I → Increase reaction rates

7. Factors Affecting Enzyme Activity

Mnemonic: T-PES
Mnemonic Explanation:

  • T → Temperature
  • P → PH
  • E → Enzyme concentration
  • S → Substrate concentration

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FAQs on Mnemonics : Biomolecules - General Awareness for SSC CGL

1. What are the four main types of biomolecules?
Ans. The four main types of biomolecules are carbohydrates, proteins, lipids, and nucleic acids. Each of these groups plays a crucial role in the structure and function of living organisms. Carbohydrates provide energy and structural support; proteins serve as enzymes, hormones, and structural components; lipids function in energy storage and cell membrane formation; and nucleic acids are responsible for storing and transmitting genetic information.
2. How do biomolecules contribute to cellular functions?
Ans. Biomolecules contribute to cellular functions by participating in various biochemical processes essential for life. For example, enzymes (which are proteins) catalyze metabolic reactions, facilitating the conversion of substrates into products. Carbohydrates serve as energy sources, while lipids form cell membranes, providing structural integrity. Nucleic acids like DNA and RNA are vital for genetic information storage and protein synthesis, ensuring cells can grow and reproduce.
3. What is the significance of proteins in biomolecules?
Ans. Proteins are significant biomolecules because they perform a wide variety of functions crucial for life. They act as enzymes to speed up chemical reactions, serve as structural components in cells and tissues, transport molecules across membranes, and play essential roles in immune responses. The specific function of a protein is determined by its unique sequence of amino acids and its three-dimensional structure.
4. What role do lipids play in biological systems?
Ans. Lipids play several important roles in biological systems, including energy storage, insulation, and forming cell membranes. They provide a concentrated source of energy, store energy for later use, and help maintain the integrity of cell membranes by forming a lipid bilayer. Additionally, certain lipids, such as phospholipids, are crucial for creating barriers that separate the internal environment of cells from the external environment.
5. How do nucleic acids differ from other biomolecules?
Ans. Nucleic acids, such as DNA and RNA, differ from other biomolecules in their primary function of storing and transmitting genetic information. Unlike carbohydrates, proteins, and lipids, nucleic acids are composed of long chains of nucleotides, which include a sugar, phosphate group, and nitrogenous base. Their unique structure allows them to encode genetic instructions, which are essential for the development, functioning, and reproduction of all living organisms.
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