Cell Division

Question 1

How do prokaryotes divide

Answer 1

Binary fission, asexuelle, exact copies of mother cell

Question 2

What is mitosis

Answer 2

Eukaryotic cell division, produce somatic cells, identical to parent cell “asexual”, produce diploid cells from diploid cell

Question 3

What is meiosis

Answer 3

Eukaryotic cell division, produces gametes (haploid) from diploid cells, occurs in 2 steps, Meiosis 1 and 2

Question 4

What must happen before cells can divide

Answer 4

DNA must be replicated

Question 5

What is the genome

Answer 5

Complete set of all the cell’s DNA

Question 6

What is the nucleosome

Answer 6

Unit of histones with DNA wrapped around it at the core , can take diff forms in dividing vs non dividing cells

Question 7

What is chromatin

Answer 7

Loosely packed, coiled, nucleosome in NON-DIVIDING cell

Question 8

What is a chromosome

Answer 8

Tightly packed , condensed nucleosome in a DIVIDING CELL

Question 9

What is the sequence between DNA, histones, nucleosome, chromatin and chromosome

Answer 9

DNA, wrapped around histones, unit of these histones form nucleosome, nucleosome in non dividing cell is loosely packed, called chromatic, when chromatin condenses, becomes chromosome

Question 10

What happens to the chromosome during DNA replication

Answer 10

—— becomes a chromosome with 2 identical sister chromatids joined by CENTROMERE

Question 11

What is the cell cycle

Answer 11

Interphase + Mitosis