I’m confused on the question what are you trying to find out there equation or anything
Answer:
chloroplast
Explanation:
chloropast can be phone in leaf cells it's used for photosynthesis
Bird skeletons are very delicate, and therefore, difficult to be preserved. The bones of the birds are soft. The small animals are very prone to physicochemical as well as biological decay. This is why the fossil record of bird is incomplete and well-preserved fossils of birds are rare to find, except at a few unusual sites.
Mutations can lead to changes in the structure of an encoded protein or to a decrease or complete loss in its expression. Because a change in the DNA sequence affects all copies of the encoded protein, mutations can be particularly damaging to a cell or organism.
Answer:
d) Protein
Chromatin fibres are wrapped around special proteins called Histones
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