Biology H Final

Which substances are most commonly used as building blocks in the synthesis of some lipids?

• A. sugars and starches
• B. amino acids and nucleotides
• C. starches and enzymes
• D. glycerol and fatty acids

Which process requires ATP molecules as a source of energy?

• A. active transport
• B. diffusion
• C. osmosis
• D. passive transport

DNA is a polymer consisting of repeating units known as

• A. dipeptides
• B. nucleotides
• C. amino acids
• D. organic salts

A chemical analysis of organisms from each kingdom shows that living things are primarily composed of the elements

• A. carbon, hydrogen, chlorine, and sulfur
• B. carbon, hydrogen, oxygen, and nitrogen
• C. iron, calcium, hydrogen, and oxygen
• D. chlorine, carbon, calcium, and sulfur

What are in control of opening and closing the stomata?

• chloroplast
• cholorophyll
• mesoderm
• guard cells

Which lobe is labeled as D

• Frontal
• Pareital
• Occipital
• Temporal

Which process is the source of most of the oxygen in the atmosphere?

• A. aerobic respiration
• B. fermentation
• C. transpiration
• D. photosynthesis

Which is a characteristic of an enzyme?

• A. It is an inorganic catalyst.
• B. It is destroyed after each chemical reaction.
• C. It provides energy for any chemical reaction.
• D. It regulates the rate of a specific chemical reaction.

Which letter indicates a substrate molecule in this reaction?

• A
• X
• B
• C

In the summary equation below, which process produced the lactic acid? Glucose ----> 2 lactic acid + 2 ATP

• Dehydration Synthesis
• Enzymatic Hydrolysis
• Fermentation
• Aerobic Respiration