U1-6 IB BIO review

Front

What is the arrangement of subunits in a DNA nucleotide?

Back

Phosphate – sugar – base.

Front

How many atoms can a Carbon atom potentially bind to?

Back

4

Front

What does the neuron's Myelin Sheath do?

Back

Surrounds and insulates the axon.

Front

What are the three main components of a nucleotide?

Back

Sugar, phosphate, and nitrogenous base.

Front

What is the primary function of DNA?

Back

To store and transmit genetic information.

Front

What is the role of enzymes in biological reactions?

Back

To speed up chemical reactions by lowering activation energy.

Front

What is the basic unit of life?

Back

The cell.

Front

What is the function of ribosomes?

Back

To synthesize proteins.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus; eukaryotic cells have a nucleus.

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in an organism.