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Laabri

Copy of Friday (10/17) - DNA Structure & Replication Quiz Review (5/2/2026)

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20 Nsɛmmisa
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1.

What do we call the building block of a DNA molecule?

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2.

The Miller and Urey experiment tested how life might have started on early Earth. They used flasks and tubes to make a “mini Earth” without oxygen, filled with water vapor and gases. Then they added sparks of electricity, like lightning. After some time, they found small amounts of amino acids, the building blocks of proteins.

Which major conclusion about Earth’s early life origins came from this experiment?

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3.

During DNA replication, specific base-pairing rules are always followed. Because of this, which of the following will always be true about the structure of DNA?

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4.

Cells are the basic units of life, each carrying structures that control important functions. Where are the instructions for building and running a cell mainly stored?

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5.

Insulin is a hormone made of protein that helps regulate blood sugar levels. What factor most directly determines the sequence of amino acids that make up insulin?

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6.

Nitrogenous bases are held together by...

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7.

A student listed the steps of DNA replication out of order.

I. An enzyme causes new nucleotides are added to each strand

II. Two identical DNA molecules are formed
III. During the S Phase of the cell cycle DNA is duplicated
IV. An enzyme causes the DNA double helix to unwind

What is the correct order for the steps of DNA replication?

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8.

The scientific name for a DNA molecule structure is a

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9.

Components of a nucleotide.

Check all that apply.

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10.

The backbone of DNA is made up of...

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11.

The "rungs" of the twisted ladder is made up of...

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12.

Using the base-pairing rules, what would be the complementary strand to ACGGT?

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Asemmisa {{asɛmmisaAhyɛnsode}}
17.

Where in the cell does replication take place?

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18.

What is the purpose of DNA Replication?

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19.

Which of the following is TRUE about DNA Replication?

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20.

The diagram below illustrates the steps of DNA Replication.

What is the purpose of DNA Replication?

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13.

Which of the following is #13?

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14.

Which of the following is #14?

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15.

Which of the following is #15?

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16.

Which of the following is #16?