Description : In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids? (a) 20 (b) 64 (c) 61 (d) 60
Last Answer : b) 64
Description : .In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet.
Last Answer : (c) there are 44 nonsense codons and 20 sense codons
Description : In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet
Last Answer : genetic code is triplet
Description : Out of 64 codons, 61 codons code for 20 types of amino acid. It is called (a) degeneracy of genetic code (b) overlapping of gene (c) wobbling of codon (d) universility of codons.
Last Answer : (a) degeneracy of genetic code
Description : Degeneracy of the genetic code denotes the existence of (A) Base triplets that do not code for any amino acids (B) Codons consisting of only two bases (C) Codons that include one or more of the unusual bases (D) Multiple codons for a single amino acid
Last Answer : Answer : B
Description : Genetic code is said to be degenerate because (A) It can undergo mutations (B) A large proportion of DNA is non-coding (C) One codon can code for more than one amino acids (D) More than one codons can code for the same amino acids
Last Answer : Answer : D
Description : Degeneracy of genetic code implies that (A) Codons do not code for specific amino acid (B) Multiple codons must decode the same amino acids (C) No anticodon on tRNA molecule (D) Specific codon decodes many amino acids
Description : Consider the following statements: The genetic code said to be degenerate and universal which means that, (1) Amino afids may have more than one codon (2) All amino acids have mo than one codon (3) Codons are common for higher and lower organism (4) Codons are not found in bacteria
Last Answer : Ans. ((d))
Description : All of the following statements about nonsense codons are true except (A) They do not code for amino acids (B) They act as chain termination signals (C) They are identical in nuclear and mitochondrial DNA (D) They have no complementary anticodons
Last Answer : Answer : C
Description : If there are 999 bases in an RNA that code for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered? (a) 11 (b) 33 (c) 333 (d) 1
Last Answer : (d) 1
Last Answer : b) 33
Description : How many different kinds of amino acids are specified by the genetic code? (a) 15 (b) 20 (c) 12 (d) 200
Last Answer : Ans:(b)
Description : Match the codons given in column I with their respective amino acids given in column II and choose the correct answer.
Last Answer : Match the codons given in column I with their respective amino acids given in column II and choose the correct answer. ... -II, b-IV, c-I, d-V, e-III
Description : If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ? (1) 11 (2) 33 (3) 333 (4) 1
Last Answer : (2) 33
Description : Number of of codons in a genetic triplet code is
Last Answer : Number of of codons in a genetic triplet code is A. 4 B. 16 C. 32 D. 64
Description : What Portion of DNA which carries the genetic code for the formation of a particular protein by specifying its amino acids sequence?
Last Answer : Gene
Description : All the following statements about recognition of a codon on mRNA by an anticodon on tRNA are correct except (A) The recognition of the third base of the codon is not very precise (B) ... degeneracy of the genetic code (D) Wobble results in incorporation of incorrect amino acids in the protein
Description : Genetic code is (A) Collection of codon (B) Collection of amino acids (C) Collection of purine nucleotide (D) Collection of pyrimidine nucleotide
Last Answer : Answer : A
Description : .Because most of the amino acids are represented by more than one codon, the genetic code is(a) overlapping (b) wobbling (c) degenerate (d) generate.
Last Answer : a) overlapping
Description : Because most of the amino acids are represented by more than one codon, the genetic code is (a) overlapping (b) wobbling (c) degenerate (d) generate
Last Answer : (c) degenerate
Description : What is the total number of illiterate people in city B & C together? 1) 57.34 lakh 2) 58.12 lakh 3) 59.64 lakh 4) 60.62 lakh 5) 61.32 lakh
Last Answer : 4) 60.62 lakh
Description : Insert the missing number: 36/62, 39/63, 43/61, 48/64, ? (A) 51/65 (B) 56/60 (C) 54/60 (D) 33/60
Last Answer : Answer: C Observer 36/62, 39/63, 43/61, 48/64, ? series Upper part is increase by 3, 4, 5, 6 i.e 36+3= 39, 39+4 = 43, 43+5 = 48, 48 + 6 = 54.
Description : Amino acid residues which are essential for the biological activity of PTH are (A) N-terminal 34 amino acids (B) N-terminal 50 amino acids (C) C-terminal 34 amino acids (D) C-terminal 50 amino acids
Description : How many of the 20 amino acids are called essential amino acids ?
Last Answer : Out of 20 amino acids, 6 acids are called essential amino acids.
Description : All the words of OLIVE are arranged in dictionary order. Find the position of the word LIVEO. a) 49 b) 55 c) 57 d) 59 e) 61
Last Answer : words starting with E = 4! = 24 words starting with I = 4! = 24 words starting with LE = 3! = 6 words starting with LIE = 2! = 2, LIO = 2! = 2 the first word with starting with LIV will be LIVEO so rank = 24 + 24 + 6 + 2 + 2 + 1 = 59 Answer: d)
Description : `._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus is a)`(62)/(41)` b)`(60)/(41)` c)`(61)/(42
Last Answer : `._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus ... A. 60/41 B. 61/40 C. 62/41 D. 61/42
Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins
Description : What are the essential and non-essential amino acids? -Biology
Last Answer : answer:
Description : What are non-essential amino acids? -Biology
Description : Which characteristic makes nine amino acids “essential”?
Last Answer : the body cannot make them
Description : The essential amino acids (A) must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids (B) must be supplied in the diet because the ... amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements
Description : The number of nutritionally essential amino acids for man is (A) 6 (B) 8 (C) 10 (D) 12
Description : Phrynoderma is a deficiency of (A) Essential fatty acids(B) Proteins (C) Amino acids (D) None of these
Description : Increased serum alanine during fasting is due to (A) Breakdown of muscle proteins (B) Decreased utilization of non essential amino acids (C) Leakage of aminoacids to plasma (D) Impaired renal function
Description : The essential amino acids (A) Must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids (B) Must be supplied in the diet because the ... amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements
Description : Marasmus occurs from deficient intake of (A) Essential amino acids (B) Essential fatty acids (C) Calories (D) Zinc
Description : Egg is poor in (A) Essential amino acids (B) Carbohydrates (C) Avidin (D) Biotin
Description : Milk is a good source of all of the following except (A) Essential amino acids (B) Vitamin C (C) Galactose (D) Calcium and phosphorous
Description : Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states
Description : Total no. of essential amino acids are
Last Answer : Ans. 10
Description : Altering the amino acid profile in total parenteral nutrition solutions can be of benefit in certain conditions. Which of the following conditions are associated with a benefit by supplementation with the ... c. Short gut syndrome and glutamine d. Chronic renal failure and essential amino acids
Last Answer : Answer: a, c In a number of conditions, altering the amino acid profile of the total parenteral nutrition solution can be of benefit. TPN with amino acids of high biologic value ... Glutamine-enriched TPN partially attenuates villous atrophy and may be useful in treatment of short gut syndrome
Description : Essential amino acids have been advocated as standard therapy for renal failure. Which of the following statements are true? A. Increased survival from acute renal failure has been reported ... BUN and creatinine to the same degree as solutions containing excessive nonessential amino acids.
Last Answer : Answer: BC DISCUSSION: Essential amino acids and hypertonic dextrose, as opposed to hypertonic dextrose alone, was reported by Abel and co-workers to be associated with a decreased mortality rate ... renal failure have not been carried out in sufficient numbers to yield answers to this question
Description : Animal protein is called first class protein because it is - (1) easily digestible (2) delicious in taste (3) cheaper in the market (4) rich in essential amino acids
Last Answer : (4) rich in essential amino acids Explanation: Proteins from animals are called 'first class' proteins - they provide all the essential amino acids, including those that the body can't make. Proteins from plants are 'second class' proteins.
Description : Fist is a first class protein as it Contains - (1) essential amino acids (2) non-essential amino acids (3) all essential fatty acids (4) no amino acid
Last Answer : (1) essential amino-acids Explanation: Animal proteins derived from meat and fish are called first class proteins. A first-class protein is one which contains all 8 essential amino acids (which ... the body). They are also called complete proteins. Plant proteins are called second class proteins.
Description : Name the semi-essential amino acids.
Last Answer : Histidine and arginine.
Description : Name any three essential amino acids.
Last Answer : Isoleucine, leucine, threonine.
Description : Are non-essential amino acids necessary for the body?
Last Answer : They are also necessary for protein synthesis, but they can be synthesized by the body and need not be essentially present in the diet
Description : How many amino acids are essential?
Last Answer : Eight amino acids are essential; two are semi-es- sential and the rest 10 are non-essential.
Description : What are essential amino acids?
Last Answer : They cannot be synthesized in the body; and so, they are to be provided in the diet.
Description : ___ amino acids are commonly found in milk proteins, including the essential amino acids. a) 7 b) 12 c) 14 d) 19
Last Answer : d) 19