Here is an explanation of how to do that. Hope it helps!
Maybe protein not too sure
Answer:
A, B and C represents the presence of a nuclear lamina
Explanation:
The structure of a nucleus can be represented by the presence of large pores that allow transport between the nucleus and cytosol. Also the nucleus is mechanically supported by network of intermediate filaments called the nuclear lamina, which forms a thin sheetlike meshwork just beneath the nuclear inner membrane.
Answer: Option B) They can be altered reversibly during a reaction.
Explanation:
An enzyme is a proteinous substance that catalyzes a specific chemical reaction. It does not affect the equilibrium of the catalyzed reaction, and it always remain unaltered during the reaction process.
Thus, becoming altered is not a characteristic of enzymes