Navigation » List of Schools » Los Angeles Trade Technical College » Biology » Biology 6 – General Biology I » Spring 2021 » Exam 2
Below are the questions for the exam with the choices of answers:
Question #1
A insulin
B uptake of glucose inside the cell
C tyrosine kinase receptor
Question #2
A insulin
B tyrosine kinase receptor
C uptake of glucose inside the cell
Question #3
A tyrosine kinase receptor
B uptake of glucose inside the cell
C insulin
Question #4
A caspases
B catalase
C rubisco
D ATP synthase
Question #5
A phosphatase
B caspases
C ATP synthase
D catalase
Question #6
A phosphatase
B rubisco
C caspases
D ATP synthase
Question #7
A catalase
B phosphatase
C rubisco
D caspases
Question #8
A catalase
B phosphatase
C ATP synthase
D rubisco
Question #9
A Carbon dioxide and alcohol
B metabolism
C lactic acid
D active site
Question #10
A active site
B lactic acid
C Carbon dioxide and alcohol
D metabolism
Question #11
A active site
B Carbon dioxide and alcohol
C metabolism
D lactic acid
Question #12
A lactic acid
B Carbon dioxide and alcohol
C active site
D metabolism
Question #13
A signal transduction
B photosynthesis
C fermentation
D aerobic respiration
Question #14
A color of the solution inside the test tubes
B coagulation
C presence/absence of rennin (rennet)
D presence/absence of milk protein
Question #15
A A
B D
C B
D C
Question #16
A H2O2 evaporating
B enzymes getting denatured
C boiling of living tissues
D release of O2 from the reaction
Question #17
A Bubbles showed up after soaking the leaf in iodine solution.
B Coagulation occurred in the center of the leaf.
C The dark purple areas (after iodine was added) were located in what used to be in the white edges in the leaf.
D The dark purple areas (after iodine was added) were located in what used to be the green areas in the leaf.
Question #18
A iodine
B alcohol
C water
D acetone & petroleum ether
Question #19
A grass green chlorophyll a
B purple anthocyanin
C yellow carotene
D yellow green chlorophyll b
Question #20
A to prepare the cell for aerobic respiration
B to convert sugar into starch
C to produce carbon dioxide & alcohol
D to release energy needed to make ATP
Question #21
A intermediate
B enzyme
C product
D substrate
Question #22
A Only the tube with starch & saliva combined turned orange when tested with Benedict’s.
B All tubes tested with iodine remained blue/black in color.
C Only the tube with starch by itself turned orange when tested with Benedict’s.
D All tubes tested with Benedict’s reagent turned orange in color.
Question #23
A soaked peas & beads
B soaked peas only
C dry peas & beads
D beads only
Question #24
A Phosphatase
B Protein kinase
C Catalase
D Second messenger
Question #25
A lipid-based such as steroids
B peptide-based such as insulin
C local regulators
D small & polar such as Ca ions
Question #26
A Multiple steps in a pathway require the least amount of ATP.
B Multiple steps provide for greater amplification of a signal.
C Each step can be activated by several G proteins simultaneously.
D Each of the steps allow for flexible response.
Question #27
A reversibility of the binding of signaling molecules to their receptors
B type of receptors the cell uses for communication
C presence of enzyme inhibitors
D role of cyclic AMP and calcium ions in signal transduction
Question #28
A relay protein
B local regulator
C hormone
D receptors
E second messenger
Question #29
A The target protein is deactivated.
B A relay protein is phosphorylated.
C Hormone replaces GTP with ATP in the G protein
D Conformational change in the receptor activates the G protein.
Question #30
A Adenylyl cyclase
B Caspase
C Catalase
D Kinase
Question #31
A water
B NADPH
C glucose
D ATP
Question #32
A H2O and O2
B ADP and NADP+
C CO2 and glucose
D ATP and NADPH
Question #33
A light into oxygen gas
B glucose into lactic acid
C carbon dioxide int oxygen gas
D light into chemical energy
Question #34
A glucose
B oxygen gas
C water
D carbon dioxide
Question #35
A photosynthesis uses green light as a source of energy
B green light is absorbed by the leaves
C photosynthesis must occur in plant leaves
D leaves are colored green under light & dark conditions
Question #36
A fix CO2 into pyruvate in leaf epidermal cells
B fix CO2 into organic acids during the night
C fix CO2 in mesophyll cells then export intermediates to the bundle-sheath cells where CO2 is recovered
D use a different enzyme which outcompetes rubisco for CO2
Question #37
A synthesize ATP from ADP and phosphate
B split water and release oxygen gas
C synthesize sugar from carbon dioxide & water
D harvest light & transfer energy to the reaction-center special chlorophyll a
Question #38
A energy is released to produce ATP
B pyruvate is converted into lactic acid
C intermediates get oxidized by NAD+
D glucose is broken down into 2 three-carbon sugar
Question #39
A It is used as a raw material to synthesize fat molecules.
B It enters the mitochondria to combine with oxygen gas
C It gets reused & goes through glycolysis a second time.
D It combines with pyruvate to produce a fermentation product
Question #40
A mitochondrion
B chloroplast
C cytoplasm
D plasma membrane
E nucleus
Question #41
A Calvin cycle
B Krebs cycle
C Electron transport chain & chemiosmosis
D Glycolysis
Question #42
A Respiration runs the biochemical pathways of photosynthesis in reverse.
B Photosynthesis occurs only in plants and respiration occurs only in animals.
C ATP molecules are produced in photosynthesis and used up in respiration.
D Photosynthesis stores energy in complex organic molecules, whereas respiration releases it.
Question #43
A Oxidative phosphorylation
B Glycolysis
C Electron transport chain
D Krebs (Citric acid) cycle
Question #44
A The product of glycolysis is further broken down to release more energy.
B Glucose is split into two pyruvates.
C Oxygen gas is used to make carbon dioxide.
D Glucose is synthesized using ADP & phosphate
Question #45
A ATP and citric acid
B NAD+ and FAD+
C glucose and pyruvate
D H2O and O2
Question #46
A binding to the enzyme and modifying the shape of the enzyme’s active site
B stabilizing the protein subunits of the enzymes
C pulling the substrates away from the enzyme
D filling the active sites and thus preventing the normal substrate to bind with the enzyme
Question #47
A glycolysis
B Krebs (Citric acid) cycle
C light-independent reactions (Calvin cycle) of photosynthesis
D Electron transport chain & chemiosmosis
E light-dependent reactions (cyclic & noncylcic electron flow) of photosynthesis
Question #48
A Living organisms do not actually obey the law of entropy.
B Living organisms decrease entropy in the universe while alive but increase entropy after they die.
C Life obeys the second law of thermodynamics but not the first law of conservation of energy.
D As a consequence of being alive, organisms convert “useful” energy into dissipated (high entropy) heat.
Question #49
A 4
B 5
C 2
D 3
E 1
Question #50
A Cell respiration enzymes are inhibited
B ADP & phosphate are covalently bonded to make ATP
C ATP gets converted to cyclic AMP & pyrophosphate
D High energy phosphate bond breaks off from ATP
Question #51
A D is much smaller than A.
B It is a anabolic.
C B & C are intermediates of the pathway.
D A is the initial substrate whereas D is the final product of the pathway.
Question #52
A its polarity has to be similar to the product’s polarity
B the shape of its active site has to match the shape of the substrate
C it has to be the same size as the substrate
D its subunit molecules need to match the subunit molecules of the substrate