EOC Practice 1

Front

What is an isotonic solution?

Back

An isotonic solution is a solution that has the same concentration of solutes as another solution, resulting in no net movement of water across a semipermeable membrane.

Front

What happens to water movement in an isotonic solution?

Back

Water flows across the membrane at the same rate in both directions.

Front

What is a negative ecological effect of introducing nonnative predators?

Back

Nonnative predators could attack other insect species that are beneficial to the ecosystem.

Front

What type of molecule regulates chemical reactions in cells?

Back

Enzymes are the molecules most responsible for regulating chemical reactions inside cells.

Front

Which organelle is responsible for respiration?

Back

The mitochondrion is the organelle responsible for respiration.

Front

What supports the idea that eukaryotic cells evolved after prokaryotic cells?

Back

Eukaryotic cells are more complex than prokaryotic cells.

Front

Define enzymes.

Back

Enzymes are biological catalysts that speed up chemical reactions in living organisms.

Front

What is the role of mitochondria in cells?

Back

Mitochondria are the organelles that produce energy through respiration.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells are simpler and do not have a nucleus, while eukaryotic cells are more complex and have a nucleus.

Front

What is the function of lysosomes?

Back

Lysosomes contain enzymes that break down waste materials and cellular debris.