DNA and Mitosis

Does every cell have chromosomes?

• yes

• no

• only blood cells

• only nerve cells

What is a karyotype?

• a large cell

• a picture of an organism's chromosomes

• a rare type of bird

• a phase of mitosis

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

The process of creating a complete copy of DNA is

• a nucleotide

• a mutation

• DNA replication

• not possible

The process in eukaryotic cells of cell division in which the nucleus divides is

• purine

• mitosis

• division

• cellular respiration

Tags

NGSS.HS-LS1-4

What are the three parts of interphase?

• G1, S, M

• S, S1, S2

• G1, G2, G3

• G1, S, G2

Tags

NGSS.HS-LS1-4

What does the M stand for in the cell cycle?

(a)  

Tags

NGSS.HS-LS1-4

In what phase do cells spend most of their time?

• cytokinesis

• interphase

• anaphase

• metaphase

Tags

NGSS.HS-LS1-4

What is made during mitosis?

• two identical cells (identical to each other and the original cell)

• one more cell

• dozens of cells

• mutations that change the genes

Tags

NGSS.HS-LS1-4

The region of a chromosome in which the two sister chromatids attach is the

• centromere
• middle

• intersection

• central section

Tags

NGSS.HS-LS1-4

What are nucelotides made of?

• DNA

• guanine and adenine

• chromosomes and chromatids

• sugar, phosphate, nitrogenous base