Notes in 📅 Merch 27

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Published	01/14/2024	The phase wherein there is tetraploid value of chromosomes instead of diploid.A. G0B. G1C. SD. M
Published	01/14/2024	The base pairs are the right size to fit into the helix because: A. A-C and T-G are equalB. The lengthC. The distance between the points from one…
Published	01/14/2024	A sales representative of a drug company tells you about a new drug for the treatment of bladder cancer that targets DNA replication. He tells you thi…
Published	01/14/2024	What best describes semi-conservative replication?A. after replication, resulting strands is half of the parent strandsB. after replication, resulting…
Published	01/14/2024	The mobile complex between Helicase and primase is called:A. PrimosomesB. Pre-priming complexC. DNA unwinding elementD. Origin replication elemen…
Published	01/14/2024	The main dna polymerase to polymerize leading DNA strand of eukaryotic DNA:A. AlphaB. BetaC. EpsilonD. Delta
Published	01/14/2024	The DNA chain elongation is carried out by DNA polymerase:A. IB. IIC. IIID. Topoisomerase II
Published	01/14/2024	DNA cell growth is inhibited by the following drugs, EXCEPTA. AcyclovirB. 5-FluorouracilC. CytarabineD. Chloramphenicol
Published	01/14/2024	In a newly - synthesized DNA strand, primers are removed byA. DNA polymerase IB. DNA polymerase IIC. DNA polymerase IIID. Topoisomerase I
Published	01/14/2024	Which of the following eukaryotic DNA polymerases is responsible for the synthesis of the lagging strand? A. AlphaB. BetaC. GammaD. Delta
Published	01/14/2024	The sunlight sensitivity and susceptibility to skin cancer in persons with xeroderma pigmentosum is due to the deficient activities of which DNA repai…
Published	01/14/2024	The promoter region of DNA is recognized by:A. Rho factorB. DNA binding proteinC. Single strand binding proteinD. Sigma factor of RNA polymerase…
Published	01/14/2024	Actinomycin is an inhibitor of transcription in inhibitingA. alpha subunit of RNA polymeraseB. beta subunit of RNA polymeraseC. Movement of RNA p…
Published	01/14/2024	Transcription in the cell requires:A. Use of a primerB. starts with a AUG codonC. Does not require local unwinding of DNAD. Always read the templ…
Published	01/14/2024	The following are true of RNA, except:A. Poly (A) tail added to 3’ endB. Capped added to 5’ endC. Histone mRNA cap on 5’ endD. Introns are removed and…
Published	01/14/2024	16. What is the importance of the TATA box?A. Promotes fidelity of transcriptionB. Directs frequency of transmissionC. Binding of hormones this box re…
Published	01/14/2024	Which of the following increases gene expression as much as 200-fold?A. CAAT boxB. TATA boxC. EnhancerD. Insulator
Published	01/14/2024	One of the following RNA functions as an enzyme:A. Small cytoplasmic tRNA catalyzes the attachment of Amino Acid to its cognate tRNAB. Small nuc…
Published	01/14/2024	Which of the following is not required of the gene expression in the lactose operonA. cAMPB. allolactoseC. acetylate _____D. lacl gene product&nb…
Published	01/14/2024	Lac repressor dissociates from its operator when the repressor binds to:A. InducerB. PromoterC. Heat shock proteinD. Catabolite activator site
Published	01/14/2024	a worker in nuclear reactor working in japan was exposed to radiation following nuclear plant accident, the stability of which proteins is increased i…
Published	01/14/2024	Synthesis of which of the following biological polymers are primarily inhibited shortly after eating amanita phalloides mushroom is ingestedA. rR…
Published	01/14/2024	Enzymes that catalyze the transfer of electronsA. OxidoreductaseB. HydrolasesC. TransferaseD. Isomerase
Published	01/14/2024	An unknown compound was dropped into a solution of excess enzyme, and it was found that the enzyme's Km increased but the Vmax remained the same when …
Published	01/14/2024	Pick the odd one out of the followingA. HoloenzymeB. ApoenzymeC. CoenzymeD. Isoenzyme
Published	01/14/2024	In the figure, which of the following groups of enzymes catalyze the reaction?A. PeroxidasesB. HydrolasesC. LyasesD. Transferases
Published	01/14/2024	Which of the following is true regarding this enzyme inhibition? The inhibitor:  A. Binds to the substrate-enzyme complex as indicated by Po…
Published	01/14/2024	Which of the following are essential chemical components of coenzymes?A. Nucleic AcidB. CarbohydratesC. VitaminsD. Proteins
Published	01/14/2024	Maximum velocity reduced to 60%, but the concentration for half the max velocity remained the same. What type of inhibitor? A. Non-competiti…
Published	01/14/2024	Which of the ff is true regarding the first enzyme catalytic reaction in the glycolytic pathway?A. High affinity of hepatic hexokinase for glucos…
Published	01/14/2024	Which of the following enzyme sequences best describes the energy generating phase of the glycolytic pathway?1 - Isomerase        …
Published	01/14/2024	All the enzymes in the Krebs Cycle are in the mitochondrial matrix except for:A. Malate dehydrogenaseB. Succinate dehydrogenaseC. Isocitrate dehydroge…
Published	01/14/2024	A mutant cell line is noted to use alanine as its main source of energy. Alanine is first converted to pyruvate, then is completely oxidized via the p…
Published	01/14/2024	Electrons generated at the Krebs cycle are transferred to ___ then are shuttled to (the) ___. A. NAD+; OxygenB. NAD+; Electron Transport ChainC.…
Published	01/14/2024	Which component of the electron transport chain is closely associated with a component in Krebs Cycle?A. Complex IB. Complex IIC. Complex IIID. C…
Published	01/14/2024	The NADH and FADH2 produced in the complete oxidation of Acetyl CoA result in the synthesis of about ____ATPs during oxidative phosphorylation. A…
Published	01/14/2024	Which of the following best describe the mechanism of action of Atractyloside in the mitochondria?A. Uncoupler of oxidative phosphorylationB. Pre…
Published	01/14/2024	Per glucose molecule, how many NADH are produced? Account for glycolysis, pyruvate oxidation and citric acid cycle.A. 8B. 9C. 10D. 12
Published	01/14/2024	What is the source of energy that directly drives the ATP production in chemiosmosis?
Published	01/14/2024	(MMCQ) Which of the following group/s of enzymes catalyzes reaction of the glycolytic pathway?A. IsomeraseB. TransferaseC. Oxidore…
Published	01/14/2024	(MMCQ) Which of the following enzyme/s catalyze/s reactions in the citric acid cycle? A. LigasesB. IsomerasesC. OxidoreductasesD.…
Published	01/14/2024	(MMCQ) Expression of this mutation results in the formation of a non-functional protein.A. Missense mutationB. Nonsense mutationC. Silent mu…
Published	01/14/2024	(MMCQ)Which of the following catalyzes the deoxyribonucleate reaction in the krebs cycleA. Pyruvate dehydrogenaseB. Isocitrate dehydrogenaseC. Ma…
Published	01/14/2024	(MMCQ) Which of the following vitamins participate in the formation of succinyl-CoA from alpha ketoglutarate?A. RiboflavinB. ThiamineC. Pant…
Published	01/14/2024	Which enzyme is inhibited by arsenate derivatives?A. Phosphoglycerate kinaseB. Pyruvate kinaseC. Alpha-ketoglutarate dehydrogenaseD. Enolase…
Published	01/14/2024	(MMCQ )Which of the following is/are the final products of the complete oxidation of glucose? A CO2B ATPC H2OD Pyruvate
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