Keystone Biology Module 1 Part 1

Front

What is the maximum number of bonds a carbon atom can form?

Back

A carbon atom can form bonds with up to four other atoms.

Front

What is the optimal pH level for pepsin to function?

Back

Pepsin functions optimally at a lower pH level than trypsin.

Front

How are DNA molecules in eukaryotic cells different from those in prokaryotic cells?

Back

Eukaryotic DNA molecules are enclosed in membranes.

Front

What process does the human body use to maintain homeostasis when blood substances become too concentrated?

Back

The body filters less water from the blood.

Front

What is a characteristic shared by all prokaryotic and eukaryotic organisms?

Back

The need for a source of energy.

Front

What are biological macromolecules?

Back

Large molecules essential for life, including proteins, nucleic acids, carbohydrates, and lipids.

Front

What role do enzymes play in biological processes?

Back

Enzymes act as catalysts to speed up chemical reactions in the body.

Front

What is homeostasis?

Back

The maintenance of stable internal conditions in an organism.

Front

What is the function of trypsin in the digestive system?

Back

Trypsin helps in the digestion of proteins in less acidic environments.

Front

What is the significance of DNA in living organisms?

Back

DNA contains the genetic instructions for the development and functioning of all living organisms.