PBS Unit 1 Review

Front

What is the structure of purines?

Back

A double ring.

Front

What is the backbone of DNA made out of?

Back

Phosphates and sugars.

Front

What is an independent variable?

Back

What you change in an experiment.

Front

When can a doctor give permission to a patient's mother?

Back

When the person has given consent to the doctor.

Front

Who can donate to a person with type A blood?

Back

Blood donors with A or O blood type only.

Front

What are the two main types of nucleotides in DNA?

Back

Purines and pyrimidines.

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What is the role of hydrogen bonds in DNA?

Back

They hold the two strands of DNA together.

Front

What is a dependent variable?

Back

What is measured in an experiment.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes qualities, while quantitative data involves numbers.