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DNA Replication Practice Questions With Answer Key
Course: Biology (Bio 1A03)
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University: McMaster University
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Name: _____________________ Class: ______ Date: _________________________
DNA REPLICATION
PRE/POST-TEST
BENCHMARK COVERED: SC.912.L.16.3 Describe the basic process of DNA replication and how it
relates to the transmission and conservation of the genetic information.
Part 1. Multiple Choice (15 POINTS)
DIRECTIONS: Write the letter of the BEST ANSWER beside each number of each the question.
1. Genes for medically important proteins can be cloned and inserted into bacteria, as shown in the
diagram on the right. Why can bacteria recognize a human gene and then produce a human
protein?
A. DNA replication in bacteria and humans is the same.
B. Bacterial cells contain the same organelles as human cells.
C. The basic components of DNA are the same in humans and bacteria.
D. Bacterial cells and human cells contain the same kind of chromosomes.
2. Which type of molecule contains genetic information that is passed from parents to offspring?
A. Fat molecules
B. DNA molecules
C. Protein molecules
D. Carbohydrate molecules
3. What is the genetic code?
A. The sequence of subunits in a DNA molecule
B. The number of subunits in a DNA molecule
C. The sequence of subunits in a protein molecule
D. The number of subunits in a protein molecule
4. Humans, butterflies, and trees are all living things. In which of these organisms would you find DNA
molecules?
A. Only in humans
B. Only in humans and butterflies
C. In humans, butterflies, and trees
D. In none of these organisms
5. DNA molecules are made up of subunits called nucleotides that are linked together. How many
different types of nucleotides are used to make DNA molecules?
A. One type
B. Two types
C. Three types
D. Four types
6. Which of the following describes the relationship between chromosomes and DNA molecules?
A. Each chromosome is made of a single DNA molecule.
B. Each chromosome is made of more than one DNA molecule.
C. Each DNA molecule is made of more than one chromosome.
D. There is no relationship between chromosomes and DNA molecules.
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