Chapter 3
The cell theory states
A. all organisms are composed of only one cell.
B. organelles are the basic living unit of structure and function of organisms.
C. all cells come only from other cells.
D. all organisms are composed of only one cell AND organelles are the basic
living unit of structure and function of organisms.
C. All cells only come from other cells
Which of the following is NOT a function of the cell membrane?
A. It provides mechanical strength to the cell.
B. It gives shape to the cell.
C. It regulates passage of molecules into and out of the cell.
D. It is largely responsible for cellular homeostasis.
E. It serves as a site for protein synthesis.
What is E. It serves as a site for protein synthesis
What is the second law of thermodynamics?
What is Energy cannot be changed from one form to another without a loss of usable
energy?
Which of the following statements is NOT true?
A. The end product of glycolysis is pyruvate.
B. The citric acid cycle begins and ends with pyruvate.
C. NADH2 will eventually produce three ATP molecules.
D. Aerobic respiration uses oxygen and releases carbon dioxide
What is B. The citric acid cycle begins and ends with pyruvate.
What is the formula for photosynthesis?
water, carbon dioxide --> oxygen and glucose/carbohydrate
Which cellular structure is responsible for packaging materials with the cell?
What is Golgi Apparatus?
When an intestinal cell ingests substances inside very small vesicles that can only be seen with an electron microscope, this is
What is pinocytosis?
A. increase the temperature moderately.
B. increase the concentration of substrate.
C. change to optimum pH for the reaction.
D. decrease the temperature.
What are the input requirements of glycolysis?
A. NAD+, FAD, acetylCoA, and ADP,
B. ATP, NAD+, glucose, and ADP
C. pyruvates, NADH, and ADP
D. glucose and oxygen
B. ATP, NAD+, glucose, ADP
The metabolic events that move electrons from water to NADP+ are referred to as
what?
What is the non-cyclic cycle
Which of the following is NOT evidence supporting the endosymbiotic theory?
A.the vacuoles can "come and go" across the plasma membrane.
B. mitochondria and chloroplasts have their own DNA.
C. mitochondria and chloroplasts are nearly identical to some free-living
prokaryotes.
D. mitochondria and chloroplasts divide by splitting.
What is A.the vacuoles can "come and go" across the plasma membrane?
If you have a 10% sugar solution and a 35% sugar solution, how does the 10%
solution compare to the 35% solution?
A. isotonic
B. sweeter
C. osmotic
D. hypotonic
E. hypertoni
What is D. hypotonic?
Explain the diagram on the left
What is more organized, less stable configuration (entropy), more potential energy.
Which stage(s) will produce carbon dioxide in cellular respiration?
What is E. both the preparatory reaction and the citric acid cycle
The light reactions could be viewed as analogous to a hydro-electric dam. In that case, the water stored in the reservoir above the dam would be analogous to…
Hydrogen protons
Choose all that are correct
This structure has hereditary material inside it.
A. mitochondrion
B. nucleus
C. chloroplast
D. ribosome
E. flagellum/cilium
F. lysosome
What is A. The mitochondrion, B. The nucleus, & C.The chloroplast
Which is true of facilitated transport by carrier proteins?
A. Facilitated transport only applies to small and lipid soluble molecules.
B. It is represented by the glucose carrier that can transport hundreds of
molecules a second.
C. After a carrier has transported a molecule, it is unable to transport any more.
D. Facilitated transport requires expenditure of chemical energy and is therefore
active transport.
E. One carrier protein can carry a variety of different molecules.
What is B. It is represented by the glucose carrier that can transport hundreds of
molecules a second.
Which of the following statements is true about enzymes?
A. Their 3D shape can vary and still be active.
B. Boiling temperatures do not affect their activity.
C. They catalyze only one specific type of reaction.
D. They can associate with a wide variety of substrates.
E. They are unaffected by changes in pH.
What is C. They catalyze only one specific type of reaction.
The production of ATP as a result of an electrochemical gradient is called?
What is chemiosmosis?
Which statement about photosynthesis and cellular respiration is TRUE?
A. Photosynthesis produces oxygen, while cellular respiration uses oxygen.
B. Photosynthesis occurs in mitochondria, while cellular respiration occurs in chloroplasts.
C. Photosynthesis breaks down carbohydrates, while cellular respiration
produces carbohydrates.
D. Photosynthesis requires oxygen, while cellular respiration requires sunlight.
A
Imagine starting in the innermost space of the chloroplast and moving outward until
leaving the chloroplast and entering the cytoplasm. What is the starting points and proper
order of things you would move through?
What is A.
What is A. Channel --> B. allows molecules to move through a membrane space provided by the protein, B. Carrier --> A. interacts and binds to a molecule to help it move across a membrane, usually requiring a change in protein shape, C.Cell recognition protein --> E.,E. Receptor protein --> C. binds to specific extracellular molecule to bring about a change within the cell. Enzymatic protein --> D. catalyze specific reactions at the cell membrane.
A. Substrate Concentration
B. Temperature
C. pH
D. Enzyme Inhibition
What is A. Substrate concentration
In the above image, the orange globule embedded in the membrane labeled by the letter
G represents
What is ATP synthase?
In the image above water is being broken into hydrogen and oxygen at the point
represented by letter?
A