MIDTERM REVIEW Fall 23 Version 2

Front

What is an independent variable in an experiment?

Back

The independent variable is the one that is deliberately changed by the scientist to observe its effect on the dependent variable.

Front

What are nucleotides?

Back

Nucleotides are the basic building blocks of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Front

What is the role of DNA Polymerase?

Back

DNA Polymerase is the enzyme responsible for adding nucleotides to a growing DNA strand during DNA replication.

Front

What are the three parts of a nucleotide?

Back

The three parts of a nucleotide are sugar, phosphate, and base.

Front

What is a dependent variable in an experiment?

Back

The dependent variable is the one that is measured or observed in an experiment, affected by changes in the independent variable.

Front

What is the control group in an experiment?

Back

The control group is the group in an experiment that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects compare.

Front

What is the function of a control group?

Back

The control group serves as a standard for comparison to determine the effect of the independent variable.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is the significance of the double helix structure of DNA?

Back

The double helix structure of DNA allows for the efficient storage of genetic information and the ability to replicate accurately.

Front

What are the four nitrogenous bases in DNA?

Back

The four nitrogenous bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).