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Test: Concept of Metabolism, Metabolic Basis & The Living State - ACT MCQ


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10 Questions MCQ Test - Test: Concept of Metabolism, Metabolic Basis & The Living State

Test: Concept of Metabolism, Metabolic Basis & The Living State for ACT 2024 is part of ACT preparation. The Test: Concept of Metabolism, Metabolic Basis & The Living State questions and answers have been prepared according to the ACT exam syllabus.The Test: Concept of Metabolism, Metabolic Basis & The Living State MCQs are made for ACT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Concept of Metabolism, Metabolic Basis & The Living State below.
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Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 1

What is the term for lipids that have both glycerol and fatty acids esterified together?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 1
  • Lipids that have both glycerol and fatty acids esterified together are called triglycerides.
  • They are also known as fats and oils based on their melting point.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 2

Which class of lipids contains phosphorous and is commonly found in cell membranes?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 2
  • Phospholipids are a class of lipids that contain phosphorous and are commonly found in cell membranes.
  • Lecithin is an example of a phospholipid.
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Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 3

What are the nitrogen bases that can be found in heterocyclic rings and are components of nucleotides in nucleic acids like DNA and RNA?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 3
  • Nitrogen bases such as adenine, guanine, cytosine, uracil, and thymine are components of nucleotides in nucleic acids like DNA and RNA when found attached to a sugar.
  • These compounds are known as nucleosides.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 4

In which class of organic compounds do DNA and RNA primarily function as genetic material?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 4

DNA and RNA primarily function as genetic material and belong to the class of nucleic acids.

Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 5

What is the term for the property of amino acids where the structure changes in solutions of different pH due to the ionizable nature of -NH2 and -COOH groups?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 5
  • Amino acids exhibit acid dissociation because their structure changes in solutions of different pH, primarily due to the ionizable nature of -NH2 and -COOH groups.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 6

Which amino acid has a hydroxy methyl group as R?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 6
  • An amino acid having a chiral carbon, surrounded by an amino group, an acid group, a hydrogen atom and a hydroxymethyl group as the R group is serine.
  • It is a polar amino acid due to its R group.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 7

Which of these amino acids is not aromatic?

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 7
  • Aromatic amino acids are amino acids in which the side-chain contains an aromatic ring.
  • Tyrosine, tryptophan and phenylalanine have aromatic rings in their side chains and are hence, aromatic. Methionine is not aromatic.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 8

A nucleoside consists of _____

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 8
  • N nucleoside consists of a nitrogenous base such as adenine, guanine, cytosine or thymine linked to a deoxyribose sugar.
  • When a phosphate group is attached, it is known as a nucleotide.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 9

Identify the amino acid.

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 9

The given amino acid has a hydroxy methyl group attached to the alpha carbon or chiral carbon.

  • Hence, the amino acid is serine. Glycine is the simplest amino acid with its R group being an H atom.
Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 10

Identify the nitrogenous base.

Detailed Solution for Test: Concept of Metabolism, Metabolic Basis & The Living State - Question 10
  • The given structure is an aromatic heterocyclic organic compound known as a pyrimidine.
  • It has two nitrogen atoms and four carbon atoms.
  • The given pyrimidine is uracil which is found in RNA.
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