Notes in 🌊 Aquaflask

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Published	01/14/2024	Formation of contractile ring of actin filaments in the midline section is very prominent in this phase A ProphaseB MetaphaseC InterphaseD Anapha…
Published	01/14/2024	In prophase I, what phase of the cell cycle has just been completedA G1B S C G2D InterphaseE M
Published	01/14/2024	Which of the following items is correct in cell divisionA Mitosis, 4 DiploidB Mitosis, 2 HaploidC Meiosis, 4 HaploidD Meiosis, 2 Diploid E None o…
Published	01/14/2024	Identify the kind of cyclin complex exerting control over the G2/entry of mitosis in the cell cycleA B-CDK1B D-CKD6C E-CDK2D A-CDK1 E A-CDK2
Published	01/14/2024	What phase of the cell cycle oversees the active RNA synthesis and production of proteins?A G1B MC S D InterphaseE G0
Published	01/14/2024	A very well-formed tetrad is perfectly/visibly seen microscopically in this phase of meiosis:A Prophase 1, Meiosis 1B Metaphase 1, Meiosis 1C Ana…
Published	01/14/2024	Which of the events provided when the cells undergo apoptosis?A Lose the plasma membrane integrityB Localized inflammatory responseC Elimination of th…
Published	01/14/2024	Which of the following compounds transiently binds the substrate or enzyme in an enzyme-catalyzed reaction?A CofactorB CoenzymeC IsoenzymeD Prost…
Published	01/14/2024	Enzymes having slightly different molecular structures or physiologic properties but performing identical activity are:A CofactorB CoenzymeC Isoe…
Published	01/14/2024	Within an individual, the primary structure of the distinct protein that catalyzes the same reaction is best described by the following statements.A T…
Published	01/14/2024	Which of the following statements about Km is accurate?A It has the same unit as the reciprocal of the concentration.B It reflects the affinity of the…
Published	01/14/2024	A scientist finds a bottle labeled “competitive inhibitor of trypsin.” The Km of this inhibitor is 1mM(?). If he dropped 0.5mM of the inhibitor to a s…
Published	01/14/2024	Which of the following is true regarding these enzyme inhibitions?A Increases the affinity of substrate to the enzymeB Decrease the Vmax as indic…
Published	01/14/2024	Unknown compound was added to the excess enzyme. The reaction resulted to increase in Km, Vmax is the sameA Competitive InhibitionB Noncompetitiv…
Published	01/14/2024	What type of reaction AB + H2O -> AH + BOHA LyasesB HydrolaseC Ligase
Published	01/14/2024	Which of the following is not an intermediate of glycolysis?A Glucose-1,6-bisphosphateB Glucose-6-phosphateC Fructose-1,6-bisphosphateD Fructose-…
Published	01/14/2024	In the breakdown of glucose, how many ATP are produced through substrate-level phosphorylation?A 2B 5C 9D 32E 6
Published	01/14/2024	Which of these steps in glycolysis generate reducing equivalentsA 3-phosphoglycerate to 1,3-bisphosphoglycerateB phosphoenolpyruvate to pyruvateC glyc…
Published	01/14/2024	Glucose is metabolized as ___________ in glycolysis.A PyruvateB CO2C ATP D Water
Published	01/14/2024	Which high energy intermediate is produced from the reaction of pyruvate and coenzyme A to produce acetyl-coA and CO2? ANAD+B ATP C NADPHD N…
Published	01/14/2024	The only substrate level phosphorylation in Krebs cycle results in the formation of:A Succinyl-CoAB MalateC IsocitrateD Succinate
Published	01/14/2024	Which of the following products has the highest quantity in the Krebs cycle?A ATPB CO2C NADHD Water
Published	01/14/2024	An in vitro cell culture had glucose, ADP, NAD+ and water added to it, but no ATP. What is expected to happen to glycolysis?A Glycolysis will start be…
Published	01/14/2024	The 3rd stage of converting food into high energy phosphates require the enzymes inA Electron transport systemB Glycolysis; including pyruvate dehydro…
Published	01/14/2024	Based on the chemiosmotic theory, the movement of protons through the ATP synthase is:A Against the concentration gradient; inner membrane to matrixB&…
Published	01/14/2024	The absence of excision endonuclease may produce an exquisite sensitivity to UV radiation inxeroderma pigmentosum. Which of the following functions is…
Published	01/14/2024	Which component of the ETC is closely associated with a component of the citric acid cycle (succinyl dehydrogenase?) A Complex IB Complex II C Co…
Published	01/14/2024	In the eukaryotic cells, most enzymes of the etc is found in the:A Inner membrane of mitochondriaB Intermembrane spaceC Outer mitochondriaD Mitochondr…
Published	01/14/2024	The following is TRUE of the operator, EXCEPTA Can block transcriptionB Lies adjacent to initiatorC Spans the transcription site D Repressor prot…
Published	01/14/2024	In the codon, tyrosine is UAC. What is the other codon that codes for tyrosine?A  UAAB CACC UAU
Published	01/14/2024	Which of the ff enzymes participates in bacterial DNA replication and is directly inhibited by the drug Nalidixic Acid?A DNA GyraseB Topoisomeras…
Published	01/14/2024	Which class of enzyme catalyzes the formation of Phosphodiester bond in DNA RepairA DNA LigaseB DNA HelicaseC DNA PolymeraseD DNA Phosphodiestera…
Published	01/14/2024	The inducer exhibits positive control by binding to _______ molecule ______ the transcription process.A mRNA Operator; increasingB mRNA Operator; decr…
Published	01/14/2024	Which of the following phases in meiosis has the longest phase?A Prophase 1B Metaphase 2C Anaphase 1 D Telophase 2
Published	01/14/2024	These are the characteristics of both Apoptosis and Necrosis. (MMCQ)A Result from severe cell ruptureB Cell lysis and inflammationC Rupture of Cell me…
Published	01/14/2024	Characteristics of apoptosis. (MMCQ)A Does not require ATPB Regulated cell deathC Resulted from severe injuryD Needed in organogenesis
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