Chapter 4 Study Guide Quiz

What is the overall function of cellular respiration?

•       To release energy from nutrient molecules to be used as cellular energy.

• To produce oxygen for photosynthesis.
• To store energy in the form of glucose.
• To break down glucose into carbon dioxide and water only.

What molecule carries energy in a form that a cell can use?

• Adenosine triphosphate (ATP)
• FADH2
• NADH
• Glucose

Humans require vitamins in their diets. What is a major function of these vitamins in the body?

• Vitamins serve as the main source of protein in the diet.
• Vitamins are only necessary for skin health.
•    To act as coenzymes.

• Vitamins are primarily used for energy production.

Metabolism refers to all of the chemical reactions in a cell.

• True

• False

DNA and RNA differ in number of strands, type of sugar, and types of nitrogenous bases.

• True

• False

What occurs during DNA replication?

• New nucleotides are assembled into a DNA strand that is complementary to the existing DNA strand.

• DNA replication involves the synthesis of RNA instead of DNA.
• DNA replication only occurs in prokaryotic cells.
• DNA replication results in the destruction of the original DNA strands.

What term is defined as the ability to do work?

• force
• energy
• power
• mass

Where do the anaerobic reactions of cellular respiration take place?

• Mitochondria
• Nucleus
• Endoplasmic Reticulum
• Cytoplasm

A metabolic pathway is a particular sequence of enzyme-controlled reactions.

• True

• False

Name the DNA base sequence that begins a gene.

• Promoter

• Ion

• Atoms

• Sugar