Checkpoint: Mitosis Review

Posljednje ažuriranje almost 4 years ago

Biblioteka

Checkpoint: Mitosis Review

Posljednje ažuriranje almost 4 years ago

Pitanje 1

During which phase does a cell spend most of its life

Mitosis

Interphase

S phase

Prophase

Pitanje 2

An animal cell containing 32 chromosomes divides by mitosis. How many chromosomes are in each new cell?

Pitanje 3

What is the relationship between DNA, a gene, and a chromosome?

A chromosome contains hundreds of genes, which are composed of DNA

A chromosome contains hundreds of genes, which are composed of protein

A gene contains hundreds of chromosomes, which are composed of DNA

DNA contains hundreds of chromosomes, which are composed of genes

Pitanje 4

It is difficult to observe individual chromosomes with a microscope during interphase. Why is this?

The DNA has not been replicated yet.

The DNA is uncoiled in long, thin strands

The DNA is not yet in the nucleus

The DNA must be moved by spindle fibers first

Pitanje 5

What is the purpose of mitosis?

To create cells for sexual reproduction

To replicate cells to replace dead cells, repair damaged tissue, and allow an organism to grow

To prevent the development of cancers

To create genetic variation within an individual organism