TWEL's answer to Rosie's Secondary 1 Maths Singapore question.

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TWEL
Twel's answer
13 answers (Tutor Details)
1st
Specialized cells perform specialized functions in multicellular organisms. Examples are in the image and their explanations (basically answering the next part).
12a
Marker U is not soluble at all (basically answering the sentence question at the start and cheating off question 12aiii).
Q and S made up of a single dye (since there's only 1 dot in each of them)..
U is least soluble (since nothing happened)