Chromosomes Chromatid

The individual strands on duplicated chromosomes are called_____________

• Centromeres
• daughters
• Chromatids
• Karyotypes

The ___________ holds the replicated sister chromatids together.

• centriole
• chromosomes
• centromere
• cycles

The cell spends most of it's life in ________________.

• mitosis
• cytokinesis
• Interphase
• None of the above

The division of the nucleus is known as:

• Synthesis
• Mitosis
• G1
• G2

Tags

NGSS.HS-LS1-4

A human cell has 46 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.

• 12
• 23
• 46
• 92

Tags

NGSS.HS-LS1-4

Cells of organism must replicate for ?

• growth
• repair of damaged cells
• replacement of dying cells.
• All of the above

Tags

NGSS.HS-LS1-4

The structure labeled A is a(n)

• chromatid
• centriole
• centromere
• chromophere

Tags

NGSS.HS-LS1-4

The structures labeled B are

• centrioles
• chromatids
• centromeres
• chromopheres

Interphase contains three stages, including the G1 and G2 stages.  Which of the following occurs during these gap stages? 

• separation of chromosomes
• cellular growth 
• DNA replication
• viral transformation 

Histones are 

• proteins wound up in DNA
• critical to maintaining the shape of chromosomes
• aid in the tight packing of DNA
• all of these