Description : Which of the following statement(s) is/are true concerning translation of the mRNA message to protein synthesis? a. An adaptor molecule, tRNA, recognizes specific nucleic acid bases and unites them ... and the free amino acid occurs in the free cytoplasm d. Complete protein synthesis takes hours
Last Answer : Answer: a, b The synthesis of protein involves conversion from a four-letter nucleotide language to one of 20 chemically distinct amino acids. This process is referred to as ... translation and be moving down the mRNA molecules simultaneously, thus increasing the rate of protein synthesis
Description : A copper wire has a resistance of \( 0.60 hm \). Anozner copper wire of the samemass as the first one is dou ble in length of the first. Find the resistance of the second wire.
Last Answer : A copper wire has a resistance of \( 0.6 0hm \). Another copper wire of the same mass as ... of the first. Find the resistance of the second wire.
Description : Which of Which of the following activ ng activities is not a direct responsi esponsibility of operati operations management? a. Planning Planning & controlling controlling the operations operations b ... operation operation d. Determining the exact mix of products & services that customers will want
Last Answer : d. Determining the exact mix of products & services that customers will want
Description : Manganese is required in (a) plant cell wall formation (b) photolysis of water during photosynthesis (c) chlorophyll synthesis (d) nucleic acid synthesis.
Last Answer : d) nucleic acid synthesis.
Description : Antibiotics inhibiting nucleic acid synthesis include a. Rifampin and quinolones. b. Aminoglycosides and tetracyclines. c. Lincosamides and streptogramins. d. Macrolides and ami noglycosides.
Last Answer : a. Rifampin and quinolones.
Description : By which of the following means antifungal chemotherapeutic agents may affect fungi? A- Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis B- ... membrane-bound enzymes like thoseinvolved in nutrient transport and chitin synthesis D- all of these
Last Answer : all of these
Description : Ws of 1991, the most recent award of a Nobel Prize in medicine to a woman scientist went to this esteemed pharmacologist and biochemist. She shared her prize with George Hitchings for ... drugs that selectively block nucleic acid synthesis without damaging normal cells. Name this woman scientist.
Last Answer : ANSWER: (GERTRUDE) ELION
Description : An enzyme is a (A) Carbohydrate (B) Lipid (C) Protein (D) Nucleic acid ENZYMES 171
Last Answer : Answer : C
Description : Which nucleic acid is necessary for protein biosynthesis?
Last Answer : Ans. RNA
Description : Which one of the following is known as the ‘immovable property’ in the cell? (1) Carbohydrate (2) Fat (3) Protein (4) Nucleic acid
Last Answer : (4) Nucleic acid Explanation: Immovable property is an immovable object, an item of property that cannot be moved without destroying or altering it – property that is fixed to the earth, such as land or a house.
Description : Viruses are made up of – (1) Protein and lipids (2) Nucleic and protein (3) Lipids and carbohydrate (4) Carbohydrate and Nucleic acid
Last Answer : (2) Nucleic and protein Explanation: A virus is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein.
Description : Virus contains - (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid
Last Answer : (1) Protein and lipid Explanation: Virus particles (known as virions) consist of two or three parts: the genetic material made from either DNA or RNA, long molecules that carry genetic ... cell. The shapes of viruses range from simple helical and icosahedra forms to more complex structures.
Description : The correct sequence for the manufacture of molecules/organic compounds on the primitive earth is (a) NH3, nucleic acid, protein and carbohydrate (b) protein, carbohydrate, water and nucleic acid (c) NH3, protein, carbohydrate and nucleic acid (d) NH3, water, nucleic acid and protein.
Last Answer : (d) NH3, water, nucleic acid and protein.
Description : The pyrenoids are made up of (a) proteinaceous centre and starchy sheath (b) core of nucleic acid surrounded by protein sheath (c) core of protein surrounded by fatty sheath (d) core of starch surrounded by sheath of protein.
Last Answer : a) proteinaceous centre and starchy sheath
Description : Viroids and prions differ in that viroids are believed to contain only ______, while prions are believed to contain only _______. a. carbohydrate; amino acids b. nucleic acid; protein c. amino acids; carbohydrate d. protein; nucleic acid
Last Answer : b. nucleic acid; protein
Description : Which one of the following pairs is mismatched? a. Protein - amino acids b. Nucleic acid - nucleotides c. Fats - glycogen d. Starch - glucose
Last Answer : c. Fats - glycogen
Last Answer : Nucleic acid
Description : Virus contains (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid
Last Answer : Protein and lipid
Description : With regard to interleukins: a. IL-2 is produced mainly by CD8+ cells b. IL-3 stimulates the growth of haemopoietic stem cells c. IL-4 increases the production of IL-1 d. IL-6 stimulates acute phase protein synthesis
Last Answer : IL-6 stimulates acute phase protein synthesis
Description : Nucleotides required for the synthesis of nucleic acids can be obtained from (A) Dietary nucleic acids and nucleotides (B) De novo synthesis (C) Salvage of pre-existing bases and nucleosides (D) De novo synthesis and salvage
Last Answer : Answer : D
Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.
Last Answer : (d) free ribosomes and RER.
Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER
Last Answer : (4) Free ribosomes and RER
Description : The monomeric units that make up peptides and protein polymers are __________. (a) nucleic acids (b) amino acids (c) oligosaccharides (d) amylopectins
Last Answer : amylopectins
Description : Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the (A) Fertiliser manufacture (B) Car battery solution (C) Synthesis of oleum (D) Water treatment
Last Answer : (B) Car battery solution
Description : How many high-energy phosphate bond equivalents are required for amino acid activation in protein synthesis? (A) One (B) Two (C) Three (D) Four
Last Answer : Answer : B
Description : In E. coli the chain initiating amino acid in protein synthesis is (A) N-formyl methionine(B) Methionine (C) Serine (D) Cysteine
Last Answer : Answer : A
Description : Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains
Description : Initiation of protein synthesis begins with binding of (A) 40S ribosomal unit on mRNA (B) 60S ribosomal unit (C) Charging of tRNA with specific amino acid (D) Attachment of aminoacyl tRNA on mRNA
Description : Insulin increases (A) Protein synthesis (B) Fatty acid synthesis (C) Glycogen synthesis (D) All of these
Description : Acyl carrier protein is involved in the synthesis of (A) protein (B) glycogen (C) fatty acid outside the mitochondria (D) fatty acid in the mitochondria
Description : The amino acid from which synthesis of the protein of hair keratin takes place is (A) Alanine (B) Methionine (C) Proline (D) Hydroxyproline
Description : The RNA that pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called (a) rRNA (b) RNA (c) mRNA (d) tRNA.
Last Answer : a) rRNA
Description : Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.
Last Answer : (b) tRNA
Description : Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as ‘start’ or ‘stop’ codon? (a) UCG – Start (b) UUU – Stop (c) UGU – Leucine (d) UAC – Tyrosine
Last Answer : (d) UAC – Tyrosine
Description : The RNA that pick up specific amino acid from amino acid pool in the cytoplasm to ribosome during protein synthesis is called (a) rRNA (b) RNA (c) mRNA (d) tRNA
Last Answer : tRNA
Description : .Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.
Last Answer : (c) mRNA
Description : Trimethoprim and sulfamethoxazole are examples of synthesis. a. Sulfonamides; PABA b. Penicillins; Cell Wall c. Sulfonamides; Folic Acid d. Macrolides; Protein
Last Answer : c. Sulfonamides; Folic Acid
Description : The mode of action of polymyxin is to A- inhibit protein synthesis B- inhibit DNA synthesis C- injury to the plasma membrane D- inhibit folic acid synthesis
Last Answer : injury to the plasma membrane
Description : The last step in synthesis of peptidoglycan is A- attachment of a peptide to muramic acid B- attaching two amino acids to form a cross-link C- attachment of a portion of peptidoglycan to a membrane lipid D- binding of penicillin to a membrane protein
Last Answer : attaching two amino acids to form a cross-link
Description : Toxicity of mercury and cadmium is being reversed by protein mainly using the amino acid residue ____________. (a) Cysteine (b) Glycine (c) Lewcine (d) Lysine
Last Answer : (a) Cysteine
Description : Structurally silk is (a) a polyamide (b) a polyester (c) an enzyme (d) a nucleic acid
Last Answer : Ans:(a)
Description : The major ingredient of leather is---------? A. Collagen (Answer) B. Polymer C. Nucleic acid D. None of these
Last Answer : A. Collagen (Answer)
Description : DNA stands for: a) Deoxyribonucleic Acid b) Deep Nuclear Acid c) Dependant Nucleic Attributes d) Dem New Adidas
Last Answer : a) Deoxyribonucleic Acid
Description : What is the difference between a nucleotide and a nucleic acid?
Last Answer : A: A nucleotide is a building block of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base, while a nucleic acid is a polymer made up of nucleotide monomers.
Description : Deoxyribose Nucleic Acid?
Last Answer : probably because the technology needed to examine it was too expensive or not sophisticated enough, but that’s my guess
Description : Basic rule for the replication of nucleic acid -Biology
Last Answer : answer:
Description : What is nucleic acid ?
Last Answer : Nucleic acid ( Nucleic acid) is the largest , most molecular , molecular-mass and polymer-like chemical in the cell that regulates the various biological functions of the organism.
Description : Which acid is present in nucleic acid ?
Last Answer : Nucleic acid contains phosphoric acid ( H3PO4) .