The nucleus is a spherical object, and it controls cell activity.
It’s b chromosomes because the cell nucleus contains the majority of cells genetic material in the form of multiple linear DNA molecules
Answer:
Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Chromatin structure plays a key role in regulating gene expression by allowing DNA accessibility to transcriptional machinery and transcription factors.
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D. 90%
Cells prepare for mitosis in Interphase and spend most of their lives in this phase. It is also called the "daily living" state of the cell.
B) teachea, bronchi, into the bronchioles, then into alveoli (air sacks)
