DP Biology (first assessment 2025)

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Question 21M.1A.HL.TZ2.1

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.HL.TZ2.1
Level HL Paper 1A Time zone TZ2
Command term Question number 1 Adapted from N/A
1.
[Maximum mark: 1]
21M.1A.HL.TZ2.1

The image shows an electron micrograph of virus particles known to infect the bacterium Vibrio parahaemolyticus, which is associated with gastroenteritis, wound infections and septicemia in humans and animals.

[Source: Lin, Y. and Lin, C., 2012. Transmission electron micrograph of phage ϕpp2 particles with several structural proteins. [micrograph] (BMC Genomics, 13:224).]

 

What does a virus have in common with a living cell?

A. 70S ribosomes

B. Genetic material

C. Reproduction by binary fission

D. Anaerobic respiration

[1]

Markscheme

B

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