Free Macromolecules MCQs with Answers
299 Macromolecules MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Proteins are classified by shape, composition and structure, from primary amino acid sequence to secondary, tertiary and quaternary organisation, and their biological roles are linked to this structure. Enzymes are examined as protein biocatalysts, including active sites, substrate specificity, activation energy, cofactors and factors affecting activity.
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Read the Macromolecules notesFree MDCAT chapter notes with key terms299 questions · page 12 of 15
- A. The East
- B. Better
- C. Than
- D. West
Explanation: The mistake in the original sentence is the missing article ("the") before "West", and the subject-verb agreement error (should be "have"…
Correct answer: West- A. Tribulation
- B. Disadvantage
- C. Benefit
- D. Opportunity
Explanation: Boon is like a favour or something that is helpful and advantageous.
Correct answer: Benefit- A. was bee
- B. were
- C. was
- D. were being
Explanation: The correct answer is 'was.' In this sentence, 'The influx' is the subject, and it is singular.
Correct answer: was224. Spot the error.Excellent views of the lake and the Mount Aspiring can be seen from the mountaintop.
- A. Views
- B. The lake
- C. The Mount Aspiring
- D. The mountain top
Explanation: The error in the sentence involves the article usage with "Mount Aspiring." The word "Mount" should not have an article before it.The…
Correct answer: The Mount Aspiring- A. If only I is most appropriate
- B. If only II is most appropriate
- C. If either I or II is most appropriate
- D. If neither I nor II is most appropriate
Explanation: The statement says the officer only has a "hunch." The most logical first step is to verify if money is actually missing by recounting it…
Correct answer: If only I is most appropriate- A. 379
- B. 355
- C. 468
- D. 536
Explanation: Arranging the digits in ascending order for each number gives: 167 (from 617), 355 (from 355), 356 (from 536), 379 (from 379), and 468…
Correct answer: 355- A. Only conclusion I follows.
- B. Only conclusion II follows.
- C. Either I or II follows.
- D. Neither I nor II follows.
- E. Both I and II follow.
Explanation: Clearly, only I provides a suitable explanation to the given statement. So, only I follows.
Correct answer: Only conclusion I follows.- A. Statement I is the cause and statement II is its effect
- B. Statement II is the cause and statement I is its effect
- C. Both the statements I and II are independent causes
- D. Both the statements I and II are effects of independent causes
Explanation: An extensive training program for literacy workers (Statement II) is an action taken to improve literacy.
Correct answer: Statement II is the cause and statement I is its effect- A. 2-3
- B. 3-10
- C. 5-20
- D. 20-25
- E. Only 5
Explanation: Monosaccharides can contain carbon atoms ranging from 3-10.
Correct answer: 3-10- A. Phenyl acetic acid
- B. Stearic acid
- C. Palmitic acid
- D. Oleic acid
Explanation: Fatty acids are a group of heterogeneous compounds that consist of a long aliphatic alkyl chain which may be saturated or unsaturated and…
Correct answer: Phenyl acetic acid- A. S
- B. C
- C. N
- D. All of these
Explanation: Sulfur, carbon, and nitrogen are all essential elements found in all proteins.
Correct answer: All of these- A. Zwitterion
- B. Amphoteric ion
- C. Cation
- D. Anion
Explanation: A zwitterion is a compound with no overall electrical charge, but which contains separate parts which are positively and negatively…
Correct answer: Zwitterion- A. Muscle
- B. Red blood cells
- C. Tendons
- D. Blood Plasma
Explanation: Collagen proteins are present in tendons throughout the body.Collagen is a fibrous protein that is a major component of the extracellular…
Correct answer: Tendons- A. Amylose
- B. Glycogen
- C. Cellulose
- D. Glucose
Explanation: Glycogen is known as an animal starch as it is a polymer of glucose stored in the muscles and liver as a an energy reserve.
Correct answer: Glycogen- A. I only
- B. I and III
- C. I and II
- D. II and III
- E. None of these
Explanation: None of these options are options are correct which makes this option viable and correct.
Correct answer: None of these- A. S
- B. C
- C. N
- D. b and c
Explanation: carbon, and nitrogen are all essential elements found in all proteins., nitrogen is crucial for peptide bond formation and hydrogen…
Correct answer: b and c- A. A: The reaction results in the formation of a simple mixture.
- B. B: Ammonium acetate is formed and converts to acetamide upon heating.
- C. C: The reaction produces only acetic acid in gaseous form.
- D. D: The reaction forms a stable, non-reactive compound.
Explanation: When ammonia gas is passed through acetic acid, ammonium actate salt is formed (acid base reaction).
Correct answer: B: Ammonium acetate is formed and converts to acetamide upon heating.- A. A: Two separate amino acids
- B. B: A tripeptide molecule
- C. C: A single amino acid
- D. D: A dipeptide molecule
Explanation: The following is the structure of a dipeptide.
Correct answer: D: A dipeptide molecule- A. Progesterone
- B. Testosterone
- C. Thyroxine
- D. Estrogen
Explanation: Thyroxin exists in two forms T3 and T4. Both are different from each other on the basis of no of Iodine atoms present per molecule of…
Correct answer: Thyroxine- A. Calcium metal
- B. Potassium metal
- C. Sodium metal
- D. Magensium metal
Explanation: The extracellular fluid contains sodium metal abundantly and it plays an important role by maintaining water balance in blood and tissues.
Correct answer: Sodium metal