Differentiate between the following on the basis of points mentioned in the bracket
a. Anaphase and prophase(type of chromosomes)
b. Centrosome and centromere(location)
c. Plant cell and animal cell( type of cytokinesis)
d. Interphase and prophase(nuclear content)
e. Nucleotide and nucleosome(composition)
f. Repair of cells and cellular reproduction( type of cell division)
g. Plant cell and animal cell( type of spindle)
Answers
Answer:
a. During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle.
During prophase The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes.
b. centrosome located adjacent to the nucleus.
centromere there's a part that is not always right in the middle, but it's somewhere between one-third and two-thirds of the way down the chromosome.
c. cytokinesis in animal cells
a ring of actin filaments forms at the metaphase plate. The ring contracts, forming a cleavage furrow, which divides the cell in two.
cytokinesis in plant cells
Golgi vesicles coalesce at the former metaphase plate, forming a phragmoplast.
d. Interphase: The interphase nucleus is typical of a eukaryotic nucleus, with chromatin attached to the inner membrane of the nuclear envelope. A single nucleolus occurs in the nucleus. ... Then the nuclear envelope attaches to the chromatin and the nucleolus reappears.
Prophase :nucleolus disappears, and the nuclear envelope breaks down.
e. Nucleotide composition : nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
Nucleosome composition : nucleosome composed of two copies of each of the four core histones: H2A, H2B, H3 and H4, together with ~147 bp of DNA that wraps around the histone core1–3.
f.