Description : The distance travelled per turn of α-helix in nm is (A) 0.34 (B) 0.44 (C) 0.54 (D) 0.64
Last Answer : Answer : C
Description : Distance traveled per turn of α−helix in nm is (A) 0.53 (B) 0.54 (C) 0.44 (D) 0.48
Last Answer : Answer : B
Description : One turn of the helix in a B-form DNA is approximately (a) 2 nm (b) 20 nm (c) 0.34 nm (d) 3.4 nm.
Last Answer : ) 3.4 nm.
Description : If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.
Last Answer : (b) 2.5 meters
Last Answer : (c) 2.2 meters
Description : The width (helical diameter) of the double helix in B-form DNA in nm is (A) 1 (B) 2 (C) 3 (D) 4
Description : International Tour and Travels company has set up its new branch office in Jaipur where different buildings are spanned over in the radius -Technology
Last Answer : (i) WAN(ii) LAN
Description : International Tour and Travels company has set up its new branch office in Jaipur where different buildings are spanned over -Technology
Description : Pick up the correct statement from the following: (A) The roof slabs of multi-storeyed buildings are constructed monolithically to carry the various floor loads (B) The beams of multi-storeyed ... slab is spanned across the secondary beams provided between the main beams (D) All of these
Last Answer : Answer: Option D
Description : Length of one loop of B-DNA (a) 3.4 nm (b) 0.34 nm (c) 20 nm (d) 10 nm
Last Answer : a) 3.4 nm
Description : Along the α-helix each amino acid residue advances in nm by (A) 0.15 (B) 0.10 (C) 0.12 (D) 0.20
Last Answer : Answer : A
Description : A flight is planned from L to M, distance 850 nm. Wind component out is 35 kt(TWC), TAS 450kt. Mean fuel flow out is 2500kg/hr, mean fuel flow inbound is 1900kg/hr and the fuel available is 6000kg. The time ... 1hr 30 min, 660nm b. 1hr 30 min, 616nm c. 1hr 15 min, 606nm d. 1hr 16 min, 616nm
Last Answer : d. 1hr 16 min, 616nm
Description : LEDs operating at 850 nm provide sufficient optical power for short-distance, low-bandwidth multimode systems. List three conditions that prevent the use of LEDs in longer distance, higher bandwidth multimode systems.
Last Answer : Multimode fiber dispersion, the relatively high fiber attenuation, and the LED's relatively low optical output power.
Description : Where a medium category aeroplane is landing behind a heavy category aeroplane, the minimum separation distance in NM is: a. 3 b. 4 c. 5 d. 6
Last Answer : c. 5
Description : Where a light category aeroplane is landing behind a medium category aeroplane, minimum separation distance in NM is: a. 6 b. 5 c. 4 d. 3
Last Answer : b. 5
Description : A flight is planned from L to M, distance 850 nm. Wind component out is 35 kt(TWC), TAS 450kt. Mean fuel flow out is 2500kg/hr, mean fuel flow inbound is 1900kg/hr and the fuel available is 6000kg. The time ... 30 min, 660nm b. 1hr 30 min, 616nm c. 1hr 15 min, 606nm d. 1hr 16 min, 616nm
Description : Nucleic acid show strong absorption at one of the wavelength: (A) 280 nm (B) 220 nm (C) 360 nm (D) 260 nm
Last Answer : Answer : D
Description : Nucleic acids can be detected by means of their absorption maxima near 260 nm. Their absorption in this range is due to (A) Proteins (B) Purines and pyrimidines (C) Ribose (D) Deoxyribose
Description : Nucleotides and nucleic acids concentration are often also expressed in terms of (A) ng (B) mg (C) meq (D) OD at 260 nm
Description : Enzymes requiring NAD as co-substrate can be assayed by measuring change in absorbance at (A) 210 nm (B) 290 nm (C) 340 nm (D) 365 nm
Description : The most of the ultraviolet absorption of proteins above 240 nm is due to their content of (A) Tryptophan (B) Aspartate (C) Glutamate (D) Alanine
Description : Which component of the protein absorb UV light at 280 nm?
Last Answer : Indole ring of tryptophan.
Description : Proteins which interact with DNA and affect the rate of transcription possess the following structural motif: (A) Helix-turn-helix motif (B) Zinc finger motif (C) Leucine zipper motif (D) All of these
Description : DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA
Description : Ten base pairs are present in one turn of the helix in (A) A-DNA (B) B-DNA (C) C-DNA (D) Z-DNA
Description : The number of base pair in a single turn of B-form DNA about the axis of the molecule is (A) 4 (B) 8 (C) 10 (D) 12
Description : Carbonic anhydrase enzyme has maximum turn over number (36 million). Minimum turn over number for an enzyme: (A) DNA polymerase (B) Lysozyme (C) Penicillase (D) Lactase dehydrogenase
Description : The force between two long parallel wires A and B carrying current is `0.004 Nm^(-1)`. The conductors are 0.01 m apart. If the current in conductor A
Last Answer : The force between two long parallel wires A and B carrying current is `0.004 Nm^(-1)`. The conductors are 0.01 m ... . `50 A ` C. `10 A` D. `100 A`
Description : The wavelength of visible light extends from a. 0.8 to 1.0 nm b. 400 to 750 nm c. 200 to 660 nm d. 700 to 1200 nm
Last Answer : b. 400 to 750 nm
Description : (a) If the radius of the Br ion is 0.182 nm, how large a cation can fit in each of the tetrahedral hole. (b) AgI crystallizes in a cubic closed packed ZnS structure. What fraction of tetrahedral site ... Ag ion ? (c) At what temp. range, most of the metals becomes super conductors ?
Last Answer : (a) For a tetrahedron the limiting ratio is 0.225 – 0.414 For largest cation highest value 0.414 would be considered. r + / r– = 0.414 r + = 0.414 × 0.182 = 0.075 nm. (b) In FCC there are 8 tetrahedral voids. Out of this ½ is occupied by Ag cation. (c) 2 k – 5 k.
Description : A cantilever shaft has a diameter of 6 cm and the length is 40cm, it has a disc of mass 125 kg at its free end. The Young’s modulus for the shaft material is 250 GN/m2. Calculate the static deflection in nm. a) 0.001 b) 0.083c) 1.022 d) 0.065
Last Answer : a) 0.001
Description : A major breakthrough in the studies of cells came with the development of electron microscope. This is because (a) the electron microscope is more powerful than the light microscope as it ... (d) electron beam can pass through thick materials, whereas light microscopy requires thin sections.
Last Answer : (b) the resolving power of the electron microscope is much higher than that of the light microscope
Description : The most suitable pore size for bacterial filtration in a membrane filter is ------- A 0.22 mm B 0.45 nm C 0.22 µm D 30 µm
Last Answer : C 0.22 µm
Description : The wavelength of a visible extends from ∙ A. 0.8 to 1.6 um ∙ B. 400 to 750 nm ∙ C. 200 to 660 nm ∙ D. 700 to 1200 nm
Last Answer : B. 400 to 750 nm
Description : What is the spectral width of an ILD? ∙ A. 0.1 nm to 1 nm ∙ B. 2 nm to 5 nm ∙ C. 1 nm to 3 nm ∙ D. 3 nm to 4 nm
Last Answer : C. 1 nm to 3 nm
Description : The graded-index multimode optical fiber has a core diameter of _____ nm. ∙ a. 0.5 ∙ b. 0.05 ∙ c. 0.0005 ∙ d. 5
Last Answer : ∙ a. 0.5
Description : A step-index multimode optical fiber has a core diameter of _____ nm. ∙ a. 0.02 ∙ b. 0.2 ∙ c. 2 ∙ d. 0.002
Last Answer : b. 0.2
Description : A single mode optical fiber has a core diameter of _____ nm. ∙ a. 0.1 ∙ b. 0.01 ∙ c. 0.2 ∙ d. 0.05
Last Answer : a. 0.1
Description : The wavelength of visible light extends from ∙ a. 0.8 to 1.0 nm ∙ b. 400 to 750 nm ∙ c. 200 to 660 nm ∙ d. 700 to 1200 nm
Description : According to Bohr’s theory, the fourth stationary orbit of electrons in the hydrogen atom is a) 4 (0.053 nm) b) 9 (0.053 nm) c) 16 (0.053 nm) d) 25(0.053 nm)
Last Answer : c) 16 (0.053 nm)
Description : The value of first quantized Bohr orbit radius of hydrogen atom is a) 0.0053 nm b) 5.3 nm c) 0.053 nm d) 0.053 cm
Last Answer : c) 0.053 nm
Description : Do you believe that in 1947, a UFO crash-landed on a ranch near Roswell NM, and our federal government has been trying, since then, to conceal the facts of that incident from the public?
Last Answer : Ummm….. No. Why would they? I would think the advanced space travel technology would benefit us. At least it would be a way for the wealthy/government to go up and claim everything before all us “normies” therefore, making them richer by renting space gear and other planet land. Just my thoughts.
Description : The torque of 50 Nm is applied on the wheel operating a valve. If the wheel is rotated through two revolutions, work done in Newton-metres is given by a.628 b.107 dynes c.314 d.25 e.100
Last Answer : a. 628
Description : How do I calculate these problems wavelengths in nm?
Last Answer : 1) an 83.0 kg athlete running a "4-minute mile" (i.e. 4.00 min/mile) 2) Earth (mass = 6.00 × 1027 g) moving through space at 2.90 × 104 m/s
Last Answer : red Light Waves Length Almost 625 - 640 nm
Description : The two paricles A and B have de Broglie wavelengths 1 nm and 5 nm respectively if mass of A is four times the mass of B, the ratio of kinetic energie
Last Answer : The two paricles A and B have de Broglie wavelengths 1 nm and 5 nm respectively if mass of A is four times the mass of ... : 4` C. `20 : 1` D. `5 : 4`
Description : The energy of a 700- nm photo is :-
Last Answer : The energy of a 700- nm photo is :- A. 1.77 eV B. 2.47 eV C. 700 eV D. 3.57 eV
Description : In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm, hence is called (A)____ while in PS II it has absorption maxima at 680 nm
Last Answer : In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm, hence is called (A) ... absorption maxima at 680 nm and is called (B)____
Description : A `[M(H_(2)O)_(6)]^(2+)` complex typically absorbs at around 600 nm. It is allowed to react with ammonia to form a new complex `[M(NH_(3))_(6)]^(2+)`
Last Answer : A `[M(H_(2)O)_(6)]^(2+)` complex typically absorbs at around 600 nm. It is allowed to react with ammonia ... A. 800 nm B. 580 nm C. 620 nm D. 320 nm
Description : The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as
Last Answer : The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single ... B. Microfilaments C. Intermediate filaments D. Lamins