Which fiber is made up of protein

Natural protein fibers.

Explanation:

Fibers such as wool, hair,and silk, are made of protein. These are all natural fibers.

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Explanation:

There are two fibres which are made up of protein. They are present in vegetables and animals.

Examples of vegetable protein fibre :

Examples of animal protein fibre :

and so many more

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: