______   1.) A Membrane is a boundary that ________ tomove across it:

1. Allows all substances
2. Does not selectively control whichsubstances
3. Prevents all substances
4. Selectively controls which substances

______   2.) Membrane foundation is formed by the:

1. Chromosomes
2. Enzymes
3. Phospholipids (lipid bilayer)
4. Proteins

______   3.) Lipid bilayer Doespermit water soluble substances to pass through it into thecell:

1. False                                            b.) True

______   4.) Fluid Mosaic Model describes theorganization of:

1. Cellular membranes
2. Cellular membrane lipids only
3. Cellular membrane proteins only
4. Chromosomes and DNA

______   5.) ________ serve as control points forsubstances entering or leaving the cell:

1. Carbohydrates                                 c.) Nucleic acids
2. Lipids                                               d.) Proteins

______   6.) Phospholipids in amembrane can _______ but cannot ________.

1. Move back and worth; sideways
2. Flip-flop; move laterally
3. Move laterally; flip-flop
4. Sideways; move laterally

______   7.) Membrane protein that spans both sides ofthe membrane – provides a passage way:

1. Enzymatic
2. Glycoprotein
3. Integral protein
4. Peripheral

______   8.) Receptor Proteins

1. Attachment of cells to one another or extracellular matrix
2. Binding of signal molecules such as hormones
3. Identifier of cell types ( individual or species)
4. Glycoproteins and glycolipids play a role inidentification

______   9.) An example of a cell surface marker isa:

1. Carbohydrate
2. Glycoprotein
3. Lipid
4. Phospholipid

______ 10.) Active Transport Proteins:

1. Channel between cells for rapid movement (heart)
2. Energy (ATP) is needed; molecules transported from high to lowconcentration
3. Energy (ATP) is needed; molecules transported from low to highconcentration
4. Energy (ATP) is not needed; molecules transported from low tohigh concentration

______ 11.) Passive Transport Proteins:

1. Energy (ATP) is needed; molecules transported from high to lowconcentration
2. Energy (ATP) is needed; molecules transported from low to highconcentration
3. Energy (ATP) is not needed; molecules transported from high tolow concentration
4. Energy (ATP) is not needed; molecules transported from low tohigh concentration

______ 12.) Diffusion is:

1. Movement of like molecules down a concentration gradient (highto low)
2. Movement of like molecules up a concentration gradient (low tohigh)
3. Movement of molecules requiring energy (ATP)
4. Movement of molecules requiring energy (GTP)

______ 13.) Osmosis is:

1. Diffusion of solutes across a selectively permeablemembrane
2. Diffusion of solutes across a selectively permeable membranerequiring energy (ATP)
3. Diffusion of water across a selectively permeable membrane
4. Diffusion of water across a selectively permeable membranerequiring energy (ATP)

______ 14.) Hypertonic Solution outside the red blood cell asdescribed in lecture:

1. Solutes move into the cell causing it to swell (and possiblyburst)
2. Water moves into the cell causing it to swell (and possiblyburst)
3. Solutes moves out of the cell causing it to shrink(crenate)
4. Water moves out of the cell causing it to shrink (crenate)

______ 15.) Passive Transport is important to the cell as itallows the cell to take up additional molecules of a substance atconcentrations higher than the extracellular environment:

1. True
2. False

______ 16.) Endocytosis – large molecules must:

1. Enter the cell by use of avesicle               c.) Enter the cell by use of an integral protein
2. Exit the cell by use of avesicle                  d.) Exit the cell by use of an integral protein

______ 17.) Anabolic Pathways:

1. Consume energy to build complex molecules from smallerones
2. No energy is involved in this reaction
3. Releases energy by breaking down complex molecules into smallerones
4. Use of heat to run biological reactions

______ 18.) Energy is:

1. Capacity to do work (capacity to cause change)
2. Capacity to do no work (capacity to cause no change)
3. Use of heat to run biological reactions

______ 19.) Kinetic Energy is:

1. Energy of motion
2. Heat
3. Light used to run Photosynthesis
4. Stored Energy

______ 20.) Cat sleeping on his(her) cat pole is an exampleof:

1. Kinetic energy
2. Light energy
3. Nuclear energy
4. Potentialenergy           

______ 21.) Which is Not part ofthe1^st Law of Thermodynamics states:

1. Energy can be transferred from one form to another
2. Energy cannot be created or destroyed
3. Energy of the universe stays constant (same)
4. Energy increases spontaneously

______ 22.) 2^nd Law of Thermodynamics states:

1. Energy cannot be created or destroyed only converted from oneform to another
2. Energy increases spontaneously
3. Matter cannot be created or destroyed only converted from oneform to another
4. Matter increases spontaneously

______ 23.) Exergonic reaction:

1. Energy in
2. Energy out
3. No energy is needed for the reaction to occur
4. Only heat is needed for the reaction to occur

______ 24.) The energy carrier of the cellis:

1. ATP
2. ADP + P
3. Glucose
4. Pyruvate

______ 25.) Reactant or Substrate is the substance that:

1. Enters the metabolic reaction or pathway
2. An intermediate in the metabolic reaction or pathway
3. Is left at the end of the reaction or pathway
4. Type of enzyme

______ 26.) Enzyme is:

1. Catalyst                                           c.) Polysaccharide
2. Decreases the reactionrate          d.) All of the above

______ 27.) Activation energy:

1. Maximum amount of energy needed for a reaction to occur
2. Minimum amount of energy needed for a reaction to occur
3. No energy is required

______ 28.) An Enzyme works by ________ the ActivationEnergy:

1. Decreasing
2. Increasing
3. Not affecting

______ 29.) Active site is where the ________ binds:

1. Allosteric regulator
2. Enzyme
3. Product
4. Substrate (reactant)

______ 30.) Extremely high temperature (boiling) results in aprotein being:

1. Activated
2. Denatured
3. Not affected

______ 31.) Allosteric control – molecule that attaches to theenzyme:

1. Binds to the active site
2. Binds to another site other than the active site changingenzyme activity
3. Does not need to bind to the enzyme to change activity

______ 32.) In Feedback Inhibition, (the) ________ binds to theallosteric site:

1. All molecules involved in the reaction
2. Enzyme
3. Product
4. Substrate (reactant)

______ 33.) Life on Earth as we know it would not be possiblewithout the oxygen produced by:

1. Anaerobic respiration
2. Fermentation
3. Photosynthesis
4. Respiration

______ 34.) ____________ Photosynthesis doesnot produce oxygen:

1. Anerobic
2. Anoxygenic
3. Fermentation
4. Oxygenic

______ 35.) Photoautotrophs:

1. Obtain their organic nutrients from decomposers
2. Obtain their organic nutrients from other organisms
3. Use the energy of iron and other inorganic molecules to produceorganic molecules
4. Use the energy of sunlight to produce organic molecules

______ 36.) Heterotrophs:

1. Consumers and require an outside source of food
2. Consumers and do not require an outside source of food
3. Self- feeders that cannot make their own food
4. Self-feeders that make their own food

______ 37.) Photosynthesis takes place in the:

1. Chloroplast
2. Mitochondria
3. Ribosome
4. Peroxisome

______ 38.) Photosynthesis occurs in 3 Steps; which isNOT one of the steps:

1. Capturing light from sunlight
2. Using this energy to make ATP and NADPH; releases oxygen
3. Using this energy to breakdown glucose to carbon dioxide
4. Production of sugars (glucose; organic molecules)

______ 39.) Pigments:

1. Absorb light energy for photosynthesis
2. Absorb light energy for respiration
3. Use ATP from the breakdown of glucose for photosynthesis
4. Use ATP from the breakdown of glucose for respiration

______ 40.) Major photosynthetic pigment(s) found in allorganisms:

1. Anthocyanins                        c.)Chlorophyll a
2. Carotenoids                          d.) Chlorophyll b

______ 41.) Accessory pigments:

1. Broadens, compliments or adds the spectrum of light that can beabsorbed for photosynthesis
2. Broadens, compliments or adds the spectrum of light that can beabsorbed for respiration
3. Decrease the spectrum of light that can be absorbed forphotosynthesis or respiration
4. Function independently of the chlorophyll pigments

______ 42.) Which are the products of photosynthesis?

1. Carbon dioxide and water
2. Glucose (sugar) and carbon dioxide
3. Glucose (sugar) and oxygen

______ 43.) Light Dependent Reaction occurs in:

1. Cytoplasm
2. Mitochondria inner membrane
3. Stroma
4. Thylakoid (Grana)

­­­­­­­­

______ 44.) Product(s) of the Light Dependent or Light Reactionare:

1. ATP
2. NADPH
3. Oxygen
4. All of the above
5. None of the above

______ 45.) ATP’s produced in the Light Dependent or LightReaction are:

1. Directly from sunlight
2. Electron transport chain on the thylakoid membrane
3. Enzymatic transfer of P (phosphate) from glucose
4. Substrate level phosphorylation

______ 46.) Calvin-Benson Cycle occurs in:

1. Cytoplasm
2. Mitochondria inner compartment
3. Stroma
4. Thylakoid

______ 47.) Product(s) of the Calvin-Benson Cycle:

1. ATP
2. Glucose
3. Oxygen
4. All of the above
5. None of the above

______ 48.) Main Photosynthetic Enzyme is:

1. Glycolate oxidase
2. PEP carboxylase
3. Phosphofructokinase
4. RuBISCO

______ 49.) Photorespiration is beneficial to the plant allowingit to be more efficient:

1. True                                           
2. False

______ 50.) Photorespiration occurs mainly in:

1. All plants
2. C3plants                                    
3. C4plants                        
4. CAM plants