Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.
Last Answer : Ans:(d)
Description : Why is there a tedency for electrons to settle around a nuclei in up to eight layers?
Last Answer : Quantized energy levels result from the relation between a particle's energy and its wavelength. For a confined particle such as an electron in an atom, the wave function has the form of ... next possible orbit has a distance twice the electron's wavelength. There can be nothing in between.
Description : A nuclear reaction in which small nuclei combine to produce a larger nucleus is known as:
Last Answer : ANSWER: FUSION or NUCLEAR FUSION
Description : In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the ... its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom
Last Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS
Description : What name is given to those elementary particles for which there is a symmetry under intrapair production. Included are photons, pi mesons, and nuclei with an even number of particles.
Last Answer : ANSWER: BOSONS
Description : Alpha particles are nuclei of: w) hydrogen x) helium y) oxygen z) nitrogen
Last Answer : ANSWER: X -- HELIUM
Description : What's your wierd (to anyone else) controls (key binds) in any video game?
Last Answer : Personally, I use c for crouching in minecraft
Description : I start the day small and round. Buried alive without a frown. I am fed and nourished where I stay, slowly growing in a patient way. Finally I break through my dark brown cage. Reaching towards a puffy lane. But I will never be truly free, from the cage that always binds me What am I? -Riddles
Last Answer : A Seed.
Description : I am the water of life, but seeing too much of me is never good. I am what binds families together, but I can be defied. What am I? -Riddles
Last Answer : Blood.
Description : ‘‘Indian Railways binds the economic life of the country as well as accelerates the development of industry and agriculture.’’ Justify the statement. -SST 10th
Last Answer : Railways are the most important mode of transport in India due to the following reasons: (i) Railways are the principal mode of transportation for freight and passengers in India, as they ... country and cultural fusion. (vi) They have accelerated the development of the industry and agriculture.
Description : Which microorganism binds nitrogen to soil from nature ?
Last Answer : Bacteria are the only bacteria that secrete nitrogen from nature into the soil.
Description : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.
Last Answer : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less ... . D. If both Assertion & Reason are false.
Description : In Lac-operon, repressor protein binds to
Last Answer : In Lac-operon, repressor protein binds to A. Regulator gene B. Operator gene C. Promoter gene D. Structural gene
Description : Hyaluronic acid which binds corona radiata cells is a :-
Last Answer : Hyaluronic acid which binds corona radiata cells is a :- A. Homopolysaccharide B. Amino acid C. Mucopolysaccharide D. Glycoprotein
Description : What happens to an enzyme when a competitive inhibitor binds to it?
Last Answer : Need answer
Description : Which gas enters the bloodstream through the lungs binds to hemoglobin and reduces the amount of exygen that reaches the body's organs and tissues?
Last Answer : Carbon monoxide
Description : Which one of the following binds to specific nucleotide sequences that are upstream and most distant from the start site? (A) RNA polymerase (B) Repressor (C) Inducer (D) Restriction
Last Answer : Answer : A
Description : Which one of the following binds to specific nucleotide sequences? (A) RNA polymerase (B) Repressor (C) Inducer (D) Restriction
Description : All the following statements about fibronectin are true except (A) It is glycoprotein (B) It is a triple helix (C) It is present in extra cellular matrix (D) It binds with integrin receptors of cell
Description : RNA polymerase holoenzyme binds to lac operon at the following site: (A) i gene (B) z gene (C) Operator locus (D) Promoter region
Last Answer : Answer : D
Description : Erythromycin binds to 50 S ribosomal sub unit and (A) Inhibits binding of amino acyl tRNA (B) Inhibits Peptidyl transferase activity (C) Inhibits translocation (D) Causes premature chain termination
Last Answer : Answer : C
Description : eIF-4 B (A) Binds to 3’ chain initiation codon on mRNA (B) Binds to 3’ end of mRNA (C) Binds to 5’ end of mRNA (D) Unwinds mRNA near its 5’ end
Description : All of the following statements about eukaryotic promoters are true except (A) They may be located upstream or down stream from the structural gene (B) They have two consensus sequences ( ... (D) Mutations in promoter region can decrease the efficiency of transcription of the structural gene
Description : Actinomycin D binds to (A) Double stranded DNA (B) Single stranded DNA (C) Single stranded RNA (D) DNA-RNA hybrid
Description : Repressor binds to DNA sequence and regulate the transcription. This sequence is called (A) Attenuator (B) Terminator (C) Anti terminator (D) Operator
Description : Norepinephrine binds mainly to (A) α-Adrenergic receptors (B) β-Adrenergic receptrors (C) Muscarinic receptors (D) Nicotinic receptors
Description : Hormone that binds to intracellular receptor is (A) Adrenocorticotropic hormone (B) Thyroxine (C) Follicle stimulating hormone (D) Glucagon
Last Answer : Answer : B
Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region
Description : Cyclic AMP binds to (A) Catalytic subunits of protein kinase (B) Regulatory subunits of protein kinase (C) Catalytic subunits of phosphorylase kinase (D) Regulatory subunits of phosphorylase kinase
Description : In competitive inhibition, the inhibitor (A) Competes with the enzyme (B) Irreversibly binds with the enzyme (C) Binds with the substrate (D) Competes with the substrate
Description : Vitamin B12 initially binds to the proteins known as (A) Transcobalamin I (B) R-proteins (C) Transcobalamin II (D) Intrinsic factor of castle
Description : Vitamin B12 initially binds to the proteins known as (A) Transcobalamin I (B) R-Proteins (C) Transcobalamin II (D) Intrinsic factor of castle
Description : Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following ... are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis
Last Answer : Answer: a, b, d Penicillins, cephalosporins, and monobactams possess a b-lactam ring of some type and act to bind bacterial division plate proteins, thus inhibiting cell wall ... act in different mechanisms to inhibit protein synthesis, therefore two agents in combination act synergistically
Description : Fibrinolytic therapy is based on activation of plasminogen, the inactive proteolytic enzyme of plasma that binds to fibrin during the formation of thrombosis. Activation of plasminogen to plasmin results ... TPA all exceed 30 minutes d. Streptokinase is significantly cheaper than urokinase or TPA
Last Answer : Answer: a, b, d Streptokinase is a bacterial protein produced by group C b-hemolytic streptococci. It is therefore antigenic in humans and can be associated with allergic reaction in ... one agent over the other. Streptokinase however, is markedly less expensive than either urokinase or TPA
Description : Unfractionated heparin binds to antithrombin III and inactivates clotting factor(s) (a) Xa (b) Ixa (c) Iia (d) All of the above (e) None of the above
Last Answer : Ans: D
Description : Which of the following statements about vancomycin is accurate? (a) It is bacteriostatic (b) It binds to PBPs (c) It is not susceptible to penicillinase (d) It has the advantage of oral bioavailability (e) Staphylococcal enterocolitis occurs commonly with its use
Last Answer : Ans: C
Description : What is the reaction-taking place when H2 receptor binds to mast cells and basophils ?
Last Answer : When H2 binds to mast cells and basophils it suppresses degranulation.
Description : How can you debug failed assembly binds ?
Last Answer : Answer: Use the Assembly Binding Log Viewer (fuslogvw.exe) to find out the paths searched.
Description : The part of the cell which binds to the mRNA during protein systhesis is C A. Golgi bodies B. Lysosomes C. Ribosomes D. Food vacuoles
Last Answer : Ribosome
Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.
Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it
Description : Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) ... (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.
Last Answer : (c) The enzyme binds DNA at specific sites and cuts only one of the two strands.
Description : Which one of the following is wrongly matched? (a) Transcription - Writing information from DNA to tRNA. (b) Translation - Using information in mRNA to make protein. (c) Repressor protein - Binds to operator to stop enzyme synthesis. (d) Operon - Structural genes, operator and promoter.
Last Answer : (c) Repressor protein - Binds to operator to stop enzyme synthesis.
Description : During transcription, the DNA site at which RNA polymerase binds is called (a) promoter (b) regulator (c) receptor (d) enhancer.
Last Answer : d) enhancer
Description : During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called? (a) AAAT box (b) TATA box (c) GGTT box (d) CAAT box
Last Answer : (c) GGTT box
Description : .In negative operon, (a) co-repressor binds with repressor (b) co-repressor does not bind with repressor (c) co-repressor binds with inducer (d) cAMP have negative effect on lac operon. (
Last Answer : co-repressor binds with repressor
Description : The sequence of events in muscle contraction a. action potential depolarise the T-tubules b. depolarisation of T-tubules release calcium from sarcoplasmic reticulum c. calcium binds to the troponin-tropomycin complex d. all above
Last Answer : all above
Description : In E. coli, during lactose metabolism repressor binds to (a) regulator gene (b) operator gene (c) structural gene (d) promoter gen
Last Answer : (b) operator gene
Description : Select the two correct statements out of the four (i - iv) statements given below about lac operon. (i) Glucose or galactose may bind with the repressor and inactivate it. (ii) In the absence of lactose, the repressor binds with the ... (iii) (b) (i) and (iii) (c) (ii) and (iv) (d) (i) and (ii)
Last Answer : (c) (ii) and (iv)
Last Answer : (d) Operon - Structural genes, operator and promoter
Last Answer : (a) promoter