EOC Review #8

Front

What happens to the shape of an enzyme at high temperatures?

Back

The shape of the enzyme changes, which can decrease the rate of biochemical reactions.

Front

What is the effect of increased exposure to X-rays on genetic mutations?

Back

Increased exposure to X-rays most likely causes an increase in the frequency of genetic mutations in humans.

Front

What do prokaryotic and eukaryotic cells both contain?

Back

Both prokaryotic and eukaryotic cells contain cytoplasm.

Front

What is the primary function of red blood cells in the human body?

Back

Red blood cells are specialized to transport oxygen throughout the body.

Front

What is the most likely cause of differences in height and weight between identical twins raised in different environments?

Back

Each twin was provided a different diet and physical activities.

Front

Define activation energy in biochemical reactions.

Back

Activation energy is the minimum energy required for a chemical reaction to occur.

Front

What are membrane-bound organelles?

Back

Membrane-bound organelles are structures within a cell that are enclosed by membranes, such as the nucleus and mitochondria.

Front

What is the role of the enzyme-substrate complex in biochemical reactions?

Back

The enzyme-substrate complex forms when an enzyme binds to its substrate, facilitating the chemical reaction.

Front

Explain the difference between prokaryotic and eukaryotic cells.

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the significance of cytoplasm in a cell?

Back

Cytoplasm is the gel-like substance within a cell that contains organelles and is the site of many metabolic processes.