Ch. 6 Review

What is the diploid state in human somatic cells?

• 22 chromosomes

• 2 chromosomes

• 46 chromosomes

• 23 chromosomes

What is the haploid state in human gametes?

• 46 chromosomes

• 22 chromosomes

• 23 chromosomes

• 2 chromosomes

What are genes?

• Segments of proteins that code for DNA

• Segments of DNA that code for a specific protein or RNA molecule

• Segments of RNA that code for proteins

• Segments of chromosomes that code for traits

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is interphase?

• A phase in prokaryotic cell division

• A phase in mitosis

• A long preparatory period in the eukaryotic cell cycle

• A phase in bacterial cytokinesis

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NGSS.HS-LS1-4

Which phase is NOT part of mitosis?

• Interphase

• Metaphase

• Anaphase

• Prophase

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NGSS.HS-LS1-4

What is cytokinesis?

• The division of the cytoplasmic components

• The division of the nucleus

• The division of chromosomes

• The division of the cell membrane

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NGSS.HS-LS1-4

What is the role of checkpoints in the cell cycle?

• To terminate cell division

• To initiate DNA replication

• To monitor and regulate the cell cycle

• To accelerate cell division

What causes cancer in terms of cell division?

• Unchecked cell division due to a breakdown of regulatory mechanisms

• Controlled cell division

• Excessive checkpoints

• Lack of cell division

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NGSS.HS-LS1-4

What is the main difference between prokaryotic and eukaryotic cell division?

• Eukaryotic cells divide by binary fission

• Prokaryotic cells do not undergo mitosis

• Eukaryotic cells have a single, circular DNA chromosome

• Prokaryotic cells undergo mitosis

What protein directs bacterial cytokinesis?

• Actin

• FtsZ

• Tubulin

• Myosin