Biology 14 DNA Structure and Function MCQ

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This NASA image is a composite of several satellite-based views of Earth. To make the whole-Earth image, NASA scientists combine observations of different parts of the planet. (credit: NASA/GSFC/NOAA/USGS)

Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.

Unit 3. Genetics

Chapter 14: DNA Structure and Function MCQ Multiple Choices Questions Quiz Test Bank

14.1 Historical Basis of Modern Understanding

14.2 DNA Structure and Sequencing

14.3 Basics of DNA Replication

14.4 DNA Replication in Prokaryotes

14.5 DNA Replication in Eukaryotes

14.6 DNA Repair

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Biology 14 DNA Structure and Function MCQ
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12 Pages
2015
English US
Educational Materials



Sample Questions from the Biology 14 DNA Structure and Function MCQ Quiz

Question: Which of the following does the enzyme primase synthesize?

Choices:

DNA primer

RNA primer

Okazaki fragments

phosphodiester linkage

Question: In which direction does DNA replication take place?

Choices:

5'-3'

3'-5'

5'

3'

Question: If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C?

Choices:

27 percent

30 percent

23 percent

54 percent

Question: The experiments by Hershey and Chase helped confirm that DNA was the hereditary material on the basis of the finding that:

Choices:

radioactive phage were found in the pellet

radioactive cells were found in the supernatant

radioactive sulfur was found inside the cell

radioactive phosphorus was found in the cell

Question: If the sequence of the 5'-3' strand is AATGCTAC, then the complementary sequence has the following sequence:

Choices:

3'-AATGCTAC-5'

3'-CATCGTAA-5'

3'-TTACGATG-5'

3'-GTAGCATT-5'

Question: In eukaryotes, what is the DNA wrapped around?

Choices:

single-stranded binding proteins

sliding clamp

polymerase

histones

Question: DNA double helix does not have which of the following?

Choices:

antiparallel configuration

complementary base pairing

major and minor grooves

uracil

Question: The ends of the linear chromosomes are maintained by

Choices:

helicase

primase

DNA pol

telomerase

Question: Which of the following components is not involved during the formation of the replication fork?

Choices:

single-strand binding proteins

helicase

origin of replication

ligase

Question: During proofreading, which of the following enzymes reads the DNA?

Choices:

primase

topoisomerase

DNA pol

helicase

Question: Meselson and Stahl's experiments proved that DNA replicates by which mode?

Choices:

conservative

semi-conservative

dispersive

none of the above

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Source:  OpenStax College. Download for free at http://cnx.org/content/col14448/latest/
Eric Crawford
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