DP Chemistry (last assessment 2024)

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Question 23M.3.HL.TZ1.6

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.3.HL.TZ1.6
Level HL Paper 3 Time zone TZ1
Command term Outline, State Question number 6 Adapted from N/A
6.
[Maximum mark: 2]
23M.3.HL.TZ1.6

Vitamins are micronutrients necessary for the correct functioning of the body.

(a)

Outline why vitamins usually need to be obtained from food sources.

[1]

Markscheme

cannot be synthesized «by the human body» ✓

(b)

State two factors, other than concentration, that must be controlled for correct metabolic functioning in the cytoplasm of a cell.

[1]

Markscheme

temperature AND pH ✓