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