Bio Vocab: Chapter 9

What is the third phase of mitosis in which the centromeres split and the chromatid pairs of each chromosome are pulled apart by spindle fibers?

• anaphase
• metaphase
• prophase
• interphase

What do you call the death of cells that occurs as a normal and controlled part of an organism's growth or development?

• apoptosis
• cancer
• cell cycle
• cyclin

What is uncontrolled cell growth?

• cancer
• centromere
• chromatin
• cyclin-dependent kinase

What do you call substances that cause cancer?

• carcinogen
• prophase
• cancer
• cellcycle

What is the series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells?

• cell cycle
• interphase
• mitosis
• cell death

What to you call the middle of a chromosome where the spindle fibers attach?

• centromere
• metphase
• chromatin
• chromosome

What is a chromosome in a disorganized form called?

• chromatin
• centromere
• chromosome
• duplicated chromosome

A tightly-wound bundle of DNA is known as a

• chromosome
• cytokinesis
• centromere
• chromatin

What is the term for a specialized protein that controls the timing and speed of the cell cycle?

• cyclin
• cytokinesis
• carcinogen
• apoptosis

AN enzyme that works as the "stoplight" for the cell cycle is called

• cyclin-dependent kinase
• cytokinesis
• metaphase
• prophase