Quiz Easy 9 Categories Quizzes 0 Quiz Easy 9 1 / 20 Enzymes are sensitive to Poisons All three pH Heat 2 / 20 most important compensatory mechanism in metabolic acidosis increased HCO3 production hyperventiilation increased urinary phosphates increased NH3 excretion by kidneys 3 / 20 vitamin C effects: both A and B Maturation of procollagen calcification of osteoid formation of osteiod matrix 4 / 20 A mutation that converts an amino acids codon to a stop codon is a Non sense mutation Transversion Frame shift mutation Silent mutation 5 / 20 which of the following is correct of the pyruvate dehydrogenase enzyme complex? catalyzes a reversible reaction catalyzes the conversion of pyruvaye to oxalocetate it is present in cytoplasm reqiures TPP as cofactor 6 / 20 The most toxic compounds is phenylalanine phenylpyruvate lysine tyrosine 7 / 20 Which cell orgenelles contais DNA endoplasmic reticukum centriole golgi body mitochorndria 8 / 20 Which of the following are flowering hormones florigen and ethylene vernalin and florigen both a and b ethylene only 9 / 20 the most abundant protein present in body is collagen hemoglobin globulin albumin 10 / 20 Which of the following nephrons play important role in production of concentrated urine? Cortical None of these Juxtanmedullary Medullary 11 / 20 the normal range of serum osmolality (in mosm/L) is: 200 to 250 280 to 295 350 to 375 300 to 320 12 / 20 which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP? tyrosine kinase ATP synthase polymerase adenylate cyclase 13 / 20 The method used for nucleotide sequence of any purified DNA fragment is DNA fingerprinting DNA recombinant technology Gene Sequence Biotechnology 14 / 20 lactate dehydrogenase is Coenzymes isozyme antienzyme zymogone 15 / 20 Mutations are due to changes in cell walls DNA nucleotide sequence amino acid sequence of ribonucleus RNA neuclotide sequence 16 / 20 Histidine is converted to histamine by: Transamination hydroxylation decarboxylation reduction 17 / 20 In animals excess nitrogen is excreted as: Uric acid All of these Urea Ammonia 18 / 20 The nitrogen of the body is supplied by lipids proteins glucose triacyl glycerol 19 / 20 One of the followings is responsible for controlling urine present in the urinary bladder None of these Urethral orifice Renal pelvis Sphincter muscle 20 / 20 All are bioassays for cytokinins except excised radish cotyledon enlargement test tobacco pith culture rice seeding growth inhibition test chlorophyll preservation test Your score is Share: Quiz Dad Previous post Quiz Easy 8 October 1, 2022 Next post Quiz Easy 10 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 4 1 October, 2022 Quiz Hard 3 1 October, 2022