BIOL211- CH 6, 7, 8, AND 9 TEXTBOOK REVIEW QUESTIONS

Which structure is part of the endomembrane system?

Golgi apparatus

Which structure is common to plant and animals cells?

Mitochondrion

Which of the following is present in a prokaryotic cell?

Ribosome

Which cell would be best for studying lysosomes?

Phangocytic white blood cell

In what way do the membranes of a eukaryotic cell vary?

Certain proteins are unique to each membrane

According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly…

Embeded in a lipid bilayer

Which of the following factors would tend to increase membrane fluidity?

A greater portion of unsaturated phospholipids

Which of the following processes includes all the others?

Passive transport

Choose the pair of terms that correctly completes this sentence: Catabolism is to anabolism as ______ is to ______.

Exergonic; endergonic

Most cells cannot harness heat to preform work because…

Temperature is usually uniform throughout a cell

Which of the following metabolic processes can occur without a net influx of energy from other process?

C6H1206 + 6O2→6CO2 + 6H20

If an enzyme in solution is saturated with substrate, the most effective way to obtain a faster yield of products is to…

Add more of the enzyme

Some bacteria are metabolically active in Hot Springs because…

Their enzymes have high optimal temperatures

If an enzyme is added to a solution where its substrate and product are in equilibrium, what will occur?

Nothing; the reaction will stay at equilibrium

The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is the…

H+ concentration gradient across the membrane holding ATP synthase

Which metabolic pathway is common to both fermentation and cellular respiration of a glucose molecule?

Glycolysis

The final electron accepter of the electron transport chain that functions in aerobic oxidative phosphorylation is…

Oxygen (O2)

In mitochondria, exergonic redox reactions…

Provide the energy that establishes the proton gradient

When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs?

The pH of the matrix increases

Most CO2 from catabolism is released during…

The Citric Acid Cycle