Keystone Module B Review *Unit 5

Multiple Choice

Which student accurately describes the products of mitosis?

• Student 1

• Student 2

• Student 3

• Student 4

Multiple Choice

At a point in the cell cycle, chromosomes have aligned near the middle of a cell. Which sequence of events will the cell need to complete to produce two identical daughter cells?

•  anaphase telophase cytokinesis

• anaphase II telophase II cytokinesis II

• prophase metaphase anaphase

• metaphase II anaphase II telophase II

Multiple Choice

Which event describes cellular activities that would be observed during cytokinesis in an animal cell?

• The cytoplasm of the parent cell divides following the division of the nucleus

• The chromosomes line up at the equator of the spindle in their most tightly condensed form

• 1. The DNA and proteins condense and the centrioles move toward the opposite ends of the cell to form a spindle

• 1. The spindle fibers, attached to the two sister chromatids of each chromosome, contract and separate as the chromosomes move to opposite poles of the cell

Multiple Choice

Which student correctly compared the outcomes of meiosis and mitosis?

• Student 1

• Student 2

• Student 3

• Student 4

Multiple Choice

Which process helps to preserve the genetic information stored in DNA during DNA replication?

• The replacement of nitrogen base thymine with uracil

• 1. Enzymes quickly linking nitrogen bases with hydrogen bonds

• 1. The synthesis of unique sugar and phosphate molecules for each nucleotide

• 1. Nucleotides lining up along the template strand according to base pairing rules

Multiple Choice

Which statement describes a cell process that is common to both eukaryotic and prokaryotic cells?

• 1. Both cell types carry out transcription in the nucleus

• 1. Both cell types use ribosomes to carry out translation

• 1. Both cell types assemble amino acids to carry out transcription

• 1. Both cell types carry out translation in the endoplasmic reticulum

Multiple Choice

Which statement best describes how organisms use DNA and amino acids to synthesize a

protein?

• DNA is transcribed into mRNA, which is translated by the ribosome to produce an

  amino acid chain.

• DNA is translated into mRNA, which is transcribed by the ribosome to produce an

  amino acid chain.

• Amino acids are transcribed into mRNA, which is translated in the nucleus to produce a

  molecule of DNA.

• Amino acids are translated into mRNA, which is transcribed in the nucleus to produce a

  molecule of DNA.

Multiple Choice

Which mutation would most likely affect the organism’s phenotype?

Multiple Choice

A genetic mutation resulted in a change in the sequence of amino acids of a protein, but the function of the protein was not changed. Which statement best describes the genetic mutation?

• 1. It was a silent mutation that caused a change in the DNA of the organism

• 1. It was a silent mutation that caused a change in the phenotype of the organism

• 1. It was a nonsense mutation that caused a change in the DNA of the organism

• 1. It was a nonsense mutation that caused a change in the phenotype of the organism

Multiple Choice

A section of DNA in a cell is altered. Which mutation is being illustrated in the DNA section in the diagram?

• deletion

• insertion

• duplication

• nondisjunction

Poll

Congratulations!

You have finished Unit 5 Review! Cell cycle/ DNA & Protein Synthesis!

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If you need further review- check out the Keystone Review Resources in your Biology Schoology course. You can also replay this lesson as many times as you need to! Link is in the review folder.