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You Are On Multi Choice Question Bank SET 155
7751. Which one of the following is not the intermediate of Kreb's cycle?
(A): Fumarate (B): Isocitrate (C): Stearate (D): Succinate
7752. Which one is not the main protein in electron transport chain?
(A): Citrate synthease (B): Cytochrome bc1 complex (C): Cytochrome oxidase (D): NADH dehydrogenase
7753. How many ATPs are produced during citric acid cycle?
(A): 10 (B): 12 (C): 13 (D): 8
7754. The FADH2 and NADH produced by the oxidation of one acetyl-CoA results in the synthesis of about-
(A): 11 ATPs (B): 15 ATPs (C): 3 ATPs (D): 6 ATPs
7755. In eukaryotes, electron transport occurs in
(A): all of the above (B): cytoplasm (C): endoplasmic reticulum (D): membranes and mitochondria
7756. The catabolism of sugars and fatty acids is similar because
(A): all of the above (B): both of these compounds are funnelled through the TC A/citric acid cycle (C): both of these compounds generate chemical energy during catabolism (D): both of these compounds generate redox energy during catabolism
7757. How many molecules of ATPs are synthesized per NADH oxidation?
(A): 1 (B): 2 (C): 3 (D): 4
7758. Why is the TCA cycle the central pathway of metabolism of the cell?
(A): All other metabolic pathways depend upon it (B): It occurs in the center of the cell (C): Its intermediates are commonly used by other metabolic reactions (D): None of the above
7759. In what form does the product of glycolysis enter the TCA cycle?
(A): AcetylCoA (B): Glucose (C): NADH (D): Pyruvate
7760. Malate-asparatate shuttle operates in
(A): heart and liver (B): lungs and liver (C): none of these (D): pancreas and liver
7761. Oxidation of a molecule involves
(A): gain of electron (B): gain of proton (C): loss of electron (D): loss of proton
7762. The meaning of euthanasia:
(A): assassination (B): atrocity (C): mercy killing (D): murder
7763. How can I _____ to the post office?
(A): arrive (B): find (C): get (D): reach
7764. After Jack _____ in his notice at the office, his wife ran away with a lawyer.
(A): had handed (B): handing (C): having handed (D): was handing
7765. The child.......... very much since 1 last saw her
(A): grew (B): grows (C): has grown (D): is growing
7766. Can I pay .. credit card?
(A): about (B): by (C): on (D): with
7767. The unfolding of regular secondary structure causes
(A): large decrease in the entropy of the protein (B): large increase in the entropy of the protein (C): little increase in the entropy of protein (D): no change in the entropy of the protein
7768. During the unfolding reaction of a helix, breakage of each hydrogen bond requires about 2kJ/mol. This implies hydrogen bonds are
(A): much stronger in proteins than in water (B): not reformed with water (C): slightly stronger in proteins than in water (D): slightly weaker in proteins than in water
7769. If the enthalpy change for a reaction is zero, ΔG° is equal to
(A): -ΔH° (B): -TΔS° (C): lnKeq (D): TΔS°
7770. Reactions that have positive standard free energy changes (ΔGo> 0) can be made to occur in cells by
(A): all of the above (B): coupling them to the hydrolysis of ATP (C): coupling them with exergonic reactions via a common intermediate (D): manipulating the concentrations of products and reactants such that G/<0
7771. The Standard Gibb's free energy, ΔG°, is
(A): the difference in the residual energy of reactants and products at equilibrium (B): the energy required to convert one mole of reactants to one mole of products (C): the residual energy present in the products at equilibrium (D): the residual energy present in the reactants at equilibrium
7772. If the Standard Gibb's free energy, ΔG°, for a reaction is positive then
(A): all of the reactant will be converted to product (B): the concentration of the reactants and products will be equal (C): the products will be favored (D): the reactants will be favored
7773. No body answered it, ------- ?
(A): did he (B): did they (C): didn"t he (D): didn"t they
7774. 2009 ല് കേന്ദ്ര സാഹിത്യ അക്കാഡമി അവാര് ഡ് നേടിയ യു . എ . ഖാദറിന്റെ കൃതി ഏത് ? [2009 lu kendra saahithya akkaadami avaaru du nediya yu . E . Khaadarinte kruthi ethu ?]
(A): കേശവന്റെ വിലാപങ്ങള് [Keshavante vilaapangalu ] (B): തൃക്കോട്ടൂർ പെരുമ [Thrukkottoor peruma ] (C): മഞ്ഞ് [Manju ] (D): മരുഭൂമികള് ഉണ്ടാകുന്നത് [Marubhoomikalu undaakunnathu]
7775. 1946 ലെ ഇന്ത്യൻ നാവിക കലാപം നടന്ന സ്ഥലമേത് ? [1946 le inthyan naavika kalaapam nadanna sthalamethu ?]
(A): കൊല് ക്കത്ത [Kolu kkattha] (B): ചെന്നൈ [Chenny] (C): ഡല് ഹി [Dalu hi] (D): മുംബൈ [Mumby]
7776. കസിരംഗ നാഷണൽ പാർക്ക് എവിടെയാണ് ? [Kasiramga naashanal paarkku evideyaanu ?]
(A): ഗാംഗ്ടോക [Gaamgdoka] (B): ചന്ദ്രപൂർ [Chandrapoor ] (C): ജോർഹത് [Jorhathu ] (D): നൈറ്റിനാള്
[Nyttinaal
]
7777. " സെന് സസ് " ഏത് ലിസ്റ്റില് പ്പെടുന്നു ? [" senu sasu " ethu listtilu ppedunnu ?]
(A): ഇവയൊന്നുമല്ല [Ivayonnumalla] (B): കണ് കറന്റ് ലിസ്റ്റ് [Kanu karantu listtu ] (C): യൂണിയന് ലിസ്റ്റ് [Yooniyanu listtu ] (D): സ്റ്റേറ്റ് ലിസ്റ്റ് [Sttettu listtu ]
7778. Enhancers are regions that
(A): are adjacent to the TATA box (B): are CAT box binding proteins (C): bind RNA polymerase (D): modulate transcription
7779. Transcription by E. coli polymerase occurs in
(A): four phases known as initiation, propagation, elongation and termination (B): none of the above (C): three phases known as initiation, elongation and termination (D): two phases known as initiation and termination
7780. Which of the following is necessary for transcription to occur?
(A): Both DNA & RNA polymerase (B): DNA molecule (C): DNA polymerase (D): RNA polymerase
7781. Multiple copies of 5S genes, located at a chromosomal site distinct from the other rRNA genes
(A): are transcribed by DNA polymerase I (B): are transcribed by rRNA polymerase I and the 5S rRNA (C): are transcribed by rRNA polymerase II (D): are transcribed by rRNA polymerase III and the 5S rRNA
7782. Each tRNA molecule has a cloverleaf secondary structure consisting of
(A): either (a) or (b) (B): four stem loops (C): three stem loops (D): two stem loops
7783. What is a promoter?
(A): A specific DNA sequence to which a restriction endonuclease binds (B): A specific sequence of DNA to which a catabolic repressor binds (C): A specific sequence of DNA to which RNA polymerase binds (D): None of the above
7784. The function of the sigma factor of RNA polymerase is to
(A): assure that transcription begins at the proper point (B): assure that transcription ends at the proper point (C): assure that translation begins at the proper point (D): assure that translation ends at the proper point
7785. In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as
(A): CATT (B): Shine Dalgarno region (C): SV40 region (D): TATA box
7786. The RNA polymerases that transcribe bacterial DNA are
(A): highly glycosylated in their active forms (B): interchangable with DNA polymerases (C): multisubunit enzymes (D): only active inside the cell
7787. Immediately after transcription
(A): a methylated guanine cap is added to the 31 end of the transcript (B): a methylated guanine cap is added to the 51 end of the transcript (C): a poly adenylation signal is added (D): both (a) and (b)
7788. മധുര ഓയില് റിഫൈനറിക്ക് അസംസ്കൃത എണ്ണ (ക്രൂഡ് ഓയില്) ലഭിക്കുന്നത് എവിടെ നിന്നാണ്? [Madhura oyil riphynarikku asamskrutha enna (kroodu oyil) labhikkunnathu evide ninnaan? ]
(A): കണ്ട്ല [Kandla] (B): മുംബൈ [Mumby] (C): വഡോദര [Vadodara] (D): ഹാസിറ [Haasira]
7789. The major function of RNA polymerase's sigma factor is
(A): recognition of the transcriptional start sequence (B): recognition of the transcriptional stop sequence (C): recognition of the translational start sequence (D): recognition of the translational stop sequence
7790. A sharp knife cuts more easily than a blunt knife because?
(A): (A) it exerts less pr essure (B): (B) it exerts more pressure (C): (C) of the law of inertia (D): (D) it is easy to handle
7791. RNA is synthesized on a DNA template in a process called __________ , which utilizes the enzyme __________
(A): replication, DNA polymerase (B): transcription, DNA polymerase (C): transcription, RNA polymerase (D): translation, RNA polymerase
7792. The closed complex at bacterial promoters is
(A): bound more tightly when repressors are present (B): in equilibrium with free RNA polymerase and the promoter (C): not affected by activator proteins (D): not affected by promoter mutations
7793. Transcription begins
(A): at the start codon (B): downstream from the start codon (C): none of these (D): upstream from the start codon
7794. Transcription results in
(A): an amino acid chain (B): complementary DNA (C): messenger RNA (D): Okazaki fragments
7795. RNA polymerase holoenzyme initiates transcription which involves
(A): none of the above (B): recognition of the -10 sequence and -35 sequence (C): recognition of the -10 sequence only (D): recognition of the -35 sequence only
7796. The transcriptional regulatory proteins in eukaryotes which induce transcription usually have
(A): at least one distinct domains of protein structure, a DNA binding domain and an activation domain (B): at least two distinct domains of protein structure and a DNA binding domain (C): at least two distinct domains of protein structure, a DNA binding domain and an activation domain (D): none of these
7797. In prokaryotes, transcription is
(A): terminated by a poly A sequence (B): terminated by a protein called rho (C): terminated by a start codon (D): terminated by the stop codon
7798. In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is
(A): none of these (B): RNA polymerase I (C): RNA polymerase II (D): RNA polymerase III
7799. The nucleons of eukaryotic cell has
(A): all of these (B): RNA polymerase I (C): RNA polymerase II (D): RNA polymerase III
7800. Upstream regions which are essential for correct transcription are called
(A): enhancers (B): promoters (C): start codons (D): transcription factors
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