Review for Unit 5 Test

During which phase of the cell cycle does the cell spend the LEAST amount of time?

• Interphase

• Mitosis

• Gap 2

• Synthesis

What process MUST occur before mitosis or meiosis can occur?

• DNA fertilization

• DNA replication

• DNA conjugation

• DNA translation

Tags

NGSS.HS-LS1-4

Which of the following occurs during the Synthesis (S) phase of Interphase?

• The cell divides

• The cell carries out daily functions

• The cell's DNA is copied

• The cell grows

What process accounts for genetic variation?

• predation

• mitosis

• meiosis

• symbiosis

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Carcinogens like tobacco products causes damage to cells which can lead to

• reduced mitosis

• excess cell growth

• prolonged Interphase

• uncontrolled cell division

Tags

NGSS.HS-LS1-4

At the end of meiosis II, how does the DNA in each of the four new cells compare to the DNA from the original cell?

• half as much and genetically the same as the original

• twice as much and genetically the same as the original

• twice as much and genetically different from the original

• half as much and genetically different from the original

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Which type of cell division is represented by the diagram below?

• Meiosis

• Synthesis

• Mitosis

• Binary Fission

Tags

NGSS.HS-LS1-4

A human skin cell contains 46 chromosomes. How many chromosomes are present in a human egg cell?

• 23

• 46

• 92

• 138

During meiosis, a diploid cell undergoes division that results in four haploid cells. What are these four haploid cells called?

• bacteria

• buds

• gametes

• somatic cells

Which is an ADVANTAGE of sexual reproduction?

• It leads to genetically unique offspring

• Two parents are required

• It leads to genetically identical offspring

• One parent is required

Tags

NGSS.HS-LS3-2