Asked in Premeth Test 22 — MacromoleculesModerate

The influx of a huge number of returning emigrants and migrant workers - the last thing that was needed.

Correct answer: C. was

  • 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. Therefore, it requires the singular verb 'was' to maintain subject-verb agreement. The other options are incorrect because:'was bee' does not constitute a valid verbal phrase.'were' is a plural verb and does not match the singular subject 'The influx.''were being' also uses 'were,' which is plural and therefore incorrect in this context.In summary, the choice of 'was' correctly aligns with the singular nature of the subject, upholding the grammatical rule of subject-verb agreement.

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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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