Penicillins interfere with bacterial cell wall synthesis by (a) Inhibiting synthesis of N-acetyl muramic acid pentapeptide (b) Inhibiting conjugation between N-acetyl muramic acid and N-acetyl glucosamine (c) Inhibiting transpeptidases and carboxy peptidases which cross link the peptidoglycan residues (d) Counterfeiting for D-alanine in the bacterial cell wall

Penicillins interfere with bacterial cell wall synthesis by (a) Inhibiting synthesis of N-acetyl muramic acid pentapeptide (b) Inhibiting conjugation between N-acetyl muramic acid and N-acetyl glucosamine (c) Inhibiting transpeptidases and carboxy peptidases which cross link the peptidoglycan residues (d) Counterfeiting for D-alanine in the bacterial cell wall
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Penicillins interfere with bacterial cell wall synthesis by: A. Inhibiting synthesis of N-acetyl muramic acid pentapeptide B. Inhibiting conjugation between N-acetyl muramic acid and N-acetyl glucosamine C. Inhibiting transpeptidases and carboxypeptidases which cross link the peptidoglycan residues D. Counterfeiting for D-alanine in the bacterial cell wall

Description : Penicillins interfere with bacterial cell wall synthesis by: A. Inhibiting synthesis of N-acetyl muramic acid pentapeptide B. Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... cross link the peptidoglycan residues D. Counterfeiting for D-alanine in the bacterial cell wall

Last Answer : C. Inhibiting transpeptidases and carboxypeptidases which cross link the peptidoglycan residues

Gram negative organisms are largely insensitive to benzyl penicillin because (a) They produce large quantities of penicillinase (b) They do not utilize D-alanine whose incorporation in the cell wall is inhibited by benzyl penicillin (c) Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multiplayer cell wall of gram-negative bacteria (d) Both (a) and (b)

Description : Gram negative organisms are largely insensitive to benzyl penicillin because (a) They produce large quantities of penicillinase (b) They do not utilize D-alanine whose incorporation in the cell wall is ... lipoprotein-peptidoglycan multiplayer cell wall of gram-negative bacteria (d) Both (a) and (b)

Last Answer : Ans: C

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

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

The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B

Peptidoglycan is also known as A- N-acetyl muramic acid B- mureinmucopeptide C- N acetylglucosamine D- mesodiaminopimetic acid

Description : Peptidoglycan is also known as A- N-acetyl muramic acid B- mureinmucopeptide C- N acetylglucosamine D- mesodiaminopimetic acid

Last Answer : mureinmucopeptide

The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

The most important mechanism by which gram negative bacilli acquire chloramphenicol resistance is (a) Decreased permeability into the bacterial cell (b) Acquisition of a plasmid encoded for chloramphenicol acetyl transferase (c) Lowered affinity of the bacterial ribosome for chloramphenicol (d) Switching over from ribosomal to mitochondrial protein synthesis

Description : The most important mechanism by which gram negative bacilli acquire chloramphenicol resistance is (a) Decreased permeability into the bacterial cell (b) Acquisition of a plasmid encoded ... bacterial ribosome for chloramphenicol (d) Switching over from ribosomal to mitochondrial protein synthesis

Last Answer : Ans: B

If a patient gives history of urticaria, itching and swelling of lips following injection of penicillin G, then (a) He will develop similar reaction whenever penicillin is injected (b) He can be given ampicillin safely (c) He can be given oral phenoxymethyl penicillin safely (d) All natural and semisynthetic penicillins are contraindicated for him

Description : If a patient gives history of urticaria, itching and swelling of lips following injection of penicillin G, then (a) He will develop similar reaction whenever penicillin is injected ( ... oral phenoxymethyl penicillin safely (d) All natural and semisynthetic penicillins are contraindicated for him

Last Answer : Ans: D

Gram negative organisms are largely insensitive to benzyl penicillin because: A. They produce large quantities of penicillinase B. They do not utilise D-alanine whose incorporation in the cell wall is inhibited by benzylpenicillin C. Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multilayer cell wall of gram negative bacteria D. Both ‘A’ and ‘B’ are correct

Description : Gram negative organisms are largely insensitive to benzyl penicillin because: A. They produce large quantities of penicillinase B. They do not utilise D-alanine whose incorporation in the cell wall is inhibited ... multilayer cell wall of gram negative bacteria D. Both A' and B' are correct

Last Answer : . Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multilayer cell wall of gram negative bacteria

Of the following which is the most important mechanism of concurrent acquisition of multidrug resistance among bacteria ? (a) Mutation (b) Conjugation (c) Transduction (d) Transformation

Description : Of the following which is the most important mechanism of concurrent acquisition of multidrug resistance among bacteria ? (a) Mutation (b) Conjugation (c) Transduction (d) Transformation

Last Answer : Ans: B

Widespread and prolonged used of an antibiotic leads to emergence of drug resistant strains because antibiotics (a) Induce mutation in the bacteria (b) Promote conjugation among bacteria (c) Allow resistant strains to propagate preferentially (d) All of the above

Description : Widespread and prolonged used of an antibiotic leads to emergence of drug resistant strains because antibiotics (a) Induce mutation in the bacteria (b) Promote conjugation among bacteria (c) Allow resistant strains to propagate preferentially (d) All of the above

Last Answer : Ans: C

Trimethoprim and sulfamethoxazole are examples of synthesis. a. Sulfonamides; PABA b. Penicillins; Cell Wall c. Sulfonamides; Folic Acid d. Macrolides; Protein

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

The repeating unit in hyaluronic acid is (A) Glucuronic acid and Galactosamine (B) Glucuronic acid are glucosamine (C) Glucuronic acid and N-acetyl glucosamine (D) Glucuronic acid and N-acetyl galactosamine

Description : The repeating unit in hyaluronic acid is (A) Glucuronic acid and Galactosamine (B) Glucuronic acid are glucosamine (C) Glucuronic acid and N-acetyl glucosamine (D) Glucuronic acid and N-acetyl galactosamine

Last Answer : Answer : C

Repeating units of hyaluronic acid are (A) N-acetyl glucosamine and D-glucuronic acid (B) N-acetyl galactosamine and D-glucuronic acid (C) N-acetyl glucosamine and galactose (D) N-acetyl galactosamine and L- iduronic acid

Description : Repeating units of hyaluronic acid are (A) N-acetyl glucosamine and D-glucuronic acid (B) N-acetyl galactosamine and D-glucuronic acid (C) N-acetyl glucosamine and galactose (D) N-acetyl galactosamine and L- iduronic acid

Last Answer : A

In the empiric treatment of severe bacterial infections of unidentified entiology, this drug, often used in combination with an aminoglycoside, provides coverage against many staphylococci (a) Amoxicillin (b) Clavulanic acid (c) Erythromycin (d) Nafcillin (e) Tetracycline

Description : In the empiric treatment of severe bacterial infections of unidentified entiology, this drug, often used in combination with an aminoglycoside, provides coverage against many staphylococci (a) Amoxicillin (b) Clavulanic acid (c) Erythromycin (d) Nafcillin (e) Tetracycline

Last Answer : Ans: D

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 statement(s) is/are true concerning antimicrobial classes? a. Penicillins and cephalosporins share the compound structure of a b-lactam ring which binds to bacterial division plate proteins b. Tetracyclines and macrolides such as erythromycin inhibit bacterial ribosomal activity and therefore protein synthesis c. Aminoglycosides act in a similar fashion to tetracyclines and therefore are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis

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

Select the wrong statement. (a) Bacterial cell wall is made up of peptidoglycan. (b) Pili and fimbriae are mainly involved in motility of bacterial cells. (c) Cyanobacteria lack flagellated cells. (d) Mycoplasma is a wall-less microorganism.

Description : Select the wrong statement. (a) Bacterial cell wall is made up of peptidoglycan. (b) Pili and fimbriae are mainly involved in motility of bacterial cells. (c) Cyanobacteria lack flagellated cells. (d) Mycoplasma is a wall-less microorganism.

Last Answer : (b) Pili and fimbriae are mainly involved in motility of bacterial cells.

Insulin regulates fatty acid synthesis by (A) Dephosphorylating of acetyl CoA carboxylase (B) Activating phosphorylase (C) Inhibiting malonyl CoA formation (D) Controlling carnitine-Acyl CoA transferase activity

Description : Insulin regulates fatty acid synthesis by (A) Dephosphorylating of acetyl CoA carboxylase (B) Activating phosphorylase (C) Inhibiting malonyl CoA formation (D) Controlling carnitine-Acyl CoA transferase activity

Last Answer : Answer : A

The most likely explanation of differing sensitivities of different bacteria to various penicillins is: A. Differing susceptibilities of the various penicillins to β-lactamases produced by different bacteria B. Differing affinities of penicillin binding proteins present in different bacteria towards various penicillins C. Differing penetrability of various penicillins into different bacteria D. Differing rates of cell wall synthesis by different bacteria

Description : The most likely explanation of differing sensitivities of different bacteria to various penicillins is: A. Differing susceptibilities of the various penicillins to β-lactamases produced by different ... into different bacteria D. Differing rates of cell wall synthesis by different bacteria

Last Answer : B. Differing affinities of penicillin binding proteins present in different bacteria towards various penicillins

The chitinous exoskeleton of arthropods is formed by the polymerisation of (a) N - acetyl glucosamine (b) lipoglycans (c) keratin sulphate and chondroitin sulphate (d) D - glucosamine.

Description : The chitinous exoskeleton of arthropods is formed by the polymerisation of (a) N - acetyl glucosamine (b) lipoglycans (c) keratin sulphate and chondroitin sulphate (d) D - glucosamine.

Last Answer : (a) N - acetyl glucosamine

The aminoglycoside antibiotic which is distinguished by its resistance to bacterial aminoglycoside inactivating enzymes is (a) Kanamycin (b) Sisomicin (c) Amikacin (d) Tobramycin

Description : The aminoglycoside antibiotic which is distinguished by its resistance to bacterial aminoglycoside inactivating enzymes is (a) Kanamycin (b) Sisomicin (c) Amikacin (d) Tobramycin

Last Answer : Ans: C

The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is (a) Plasmid mediated acquisition of aminoglycoside conjugating enzyme (b) Mutational acquisition of aminoglycoside hydrolyzing enzyme (c) Mutation reducing affinity of ribosomal protein for the antibiotic (d) Mutational loss of porin channels

Description : The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is (a) Plasmid mediated acquisition of aminoglycoside conjugating enzyme (b) Mutational acquisition of aminoglycoside ... affinity of ribosomal protein for the antibiotic (d) Mutational loss of porin channels

Last Answer : Ans: A

Amoxicillin is inferior to ampicillin for the treatment of the following infection (a) Typhoid (b) Shigella enteritis (c) Subacute bacterial endocarditis (d) Gonorrhoea

Description : Amoxicillin is inferior to ampicillin for the treatment of the following infection (a) Typhoid (b) Shigella enteritis (c) Subacute bacterial endocarditis (d) Gonorrhoea

Last Answer : Ans: B

Benzathine penicillin injected once every 4 weeks for 5 years or more is the drug of choice for (a) Agranulocytosis patients (b) Prophylaxis of bacterial endocarditis in patients with valvular defects (c) Prophylaxis of rheumatic fever (d) Treatment of anthrax

Description : Benzathine penicillin injected once every 4 weeks for 5 years or more is the drug of choice for (a) Agranulocytosis patients (b) Prophylaxis of bacterial endocarditis in patients with valvular defects (c) Prophylaxis of rheumatic fever (d) Treatment of anthrax

Last Answer : Ans: C

What is break point concentration of an antibiotic ? (a) Concentration at which the antibiotic lyses the bacteria (b) Concentration of the antibiotic which demarks between sensitive and resistant bacteria (c) Concentration of the antibiotic which overcomes bacterial resistance (d) Concentration at which a bacteriostatic antibiotic becomes bactericidal

Description : What is break point concentration of an antibiotic ? (a) Concentration at which the antibiotic lyses the bacteria (b) Concentration of the antibiotic which demarks between sensitive ... which overcomes bacterial resistance (d) Concentration at which a bacteriostatic antibiotic becomes bactericidal

Last Answer : Ans: B

The persistent suppression of bacterial growth that may occur following limited exposure to some antimicrobial drugs is called (a) Time-dependent killing (b) The post antibiotic effect (c) Clinical synergy (d) Concentration – dependent killing (e) Sequential blockade

Description : The persistent suppression of bacterial growth that may occur following limited exposure to some antimicrobial drugs is called (a) Time-dependent killing (b) The post antibiotic effect (c) Clinical synergy (d) Concentration – dependent killing (e) Sequential blockade

Last Answer : Ans: B

The mechanism of antibacterial action of tetracycline involves (a) Binding to a component of the 50S ribosomal subunit (b) Inhibition of translocase activity (c) Blockade of binding of aminoacyl – tRNA to bacterial ribosomes (d) Selective inhibition of ribosomal peptidyl transferases (e) Inhibition of DNA–dependent RNA polymerase

Description : The mechanism of antibacterial action of tetracycline involves (a) Binding to a component of the 50S ribosomal subunit (b) Inhibition of translocase activity (c) Blockade of binding of ... (d) Selective inhibition of ribosomal peptidyl transferases (e) Inhibition of DNA-dependent RNA polymerase

Last Answer : Ans: C

Sulpha drugs interfere with bacterial synthesis of (A) Lipoate (B) Vitamin E (C) Tetrahydrofolate (D) Ascorbic acid

Description : Sulpha drugs interfere with bacterial synthesis of (A) Lipoate (B) Vitamin E (C) Tetrahydrofolate (D) Ascorbic acid

Last Answer : Answer : C

Isoniazid has a very narrow drug spectrum as the active form of the drug specifically interferes with cell wall synthesis in _____ by inhibiting the production of mycolic acid in the cell wall. a. Staphylococcus b. Streptococcus c. Enterococcus d. Mycobacterium

Description : Isoniazid has a very narrow drug spectrum as the active form of the drug specifically interferes with cell wall synthesis in _____ by inhibiting the production of mycolic acid in the cell wall. a. Staphylococcus b. Streptococcus c. Enterococcus d. Mycobacterium

Last Answer : d. Mycobacterium

The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes and inhibit bacterial protein synthesis C. They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis

The cell wall of both bacteria and cyanobactena contains: (a) Lipid (b) Pectin (c) Protein (d) muramic acid

Description : The cell wall of both bacteria and cyanobactena contains: (a) Lipid (b) Pectin (c) Protein (d) muramic acid

Last Answer : Ans. ((d))

Amoxicillin + Clavulanic acid is active against the following organism except (a) Methicillin resistant Staph. aureus (b) Penicillinase producing Staph. aureus (c) Penicillinase producing n. gonorrhoeae (d) ß-lactamase producing E. coli

Description : Amoxicillin + Clavulanic acid is active against the following organism except (a) Methicillin resistant Staph. aureus (b) Penicillinase producing Staph. aureus (c) Penicillinase producing n. gonorrhoeae (d) ß-lactamase producing E. coli

Last Answer : Ans: A

Indicate the attribute that is common to both polymyxin B and bacitracin: A. Both are active against gram negative bacteria B. Both are too toxic for systemic use C. Both act by inhibiting bacterial cell wall synthesis D. Both a

Description : Indicate the attribute that is common to both polymyxin B and bacitracin: A. Both are active against gram negative bacteria B. Both are too toxic for systemic use C. Both act by inhibiting bacterial cell wall synthesis D. Both a

Last Answer : B. Both are too toxic for systemic use

Semisynthetic penicillins developed so far have overcome the following drawbacks of benzylpenicillin except: A. Lack of efficacy against gram negative bacilli B. Susceptibility to bacterial penicillinase C. Inactivation by gastric acid D. Potential to cause hypersensitivity reactions

Description : Semisynthetic penicillins developed so far have overcome the following drawbacks of benzylpenicillin except: A. Lack of efficacy against gram negative bacilli B. Susceptibility to bacterial penicillinase C. Inactivation by gastric acid D. Potential to cause hypersensitivity reactions

Last Answer : D. Potential to cause hypersensitivity reactions

What is true of Quinupristin-Dalfopristin: A. It is a synergistic combination of two similar antibiotics B. It acts by inhibiting bacterial protein synthesis C. It is active against most resistant coccal infections D. All of the above are correct

Description : What is true of Quinupristin-Dalfopristin: A. It is a synergistic combination of two similar antibiotics B. It acts by inhibiting bacterial protein synthesis C. It is active against most resistant coccal infections D. All of the above are correct

Last Answer : D. All of the above are correct

The following is true of vancomycin except: A. It is a bactericidal antibiotic active primarily against gram positive bacteria B. It acts by inhibiting bacterial protein synthesis C. It is an alternative to penicillin for enterococcal endocarditis D. It can cause deafness as a dose related toxicity

Description : The following is true of vancomycin except: A. It is a bactericidal antibiotic active primarily against gram positive bacteria B. It acts by inhibiting bacterial protein synthesis C. It is an alternative to penicillin for enterococcal endocarditis D. It can cause deafness as a dose related toxicity

Last Answer : B. It acts by inhibiting bacterial protein synthesis

Chloramphenicol inhibits bacterial protein synthesis by: A. Binding to 30S ribosome and inhibiting attachment of aminoacyl tRNA B. Binding to 50S ribosome and preventing peptide bond formation C. Binding to 50S ribosome and blocking translocation of peptide chain D. Binding to both 30S and 50S ribosome and inducing misreading of mRNA code

Description : Chloramphenicol inhibits bacterial protein synthesis by: A. Binding to 30S ribosome and inhibiting attachment of aminoacyl tRNA B. Binding to 50S ribosome and preventing peptide bond formation C. Binding to ... chain D. Binding to both 30S and 50S ribosome and inducing misreading of mRNA code

Last Answer : B. Binding to 50S ribosome and preventing peptide bond formation

Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water

Description : Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water

Last Answer : Ans: C

Clavulanic acid is combined with amoxicillin because (a) It kills bacteria that are not killed by-moxicillin (b) It reduces renal clearance of amoxicillin (c) It counteracts the adverse effects of amoxicillin (d) It inhibits beta lactamases that destroy amoxicillin

Description : Clavulanic acid is combined with amoxicillin because (a) It kills bacteria that are not killed by-moxicillin (b) It reduces renal clearance of amoxicillin (c) It counteracts the adverse effects of amoxicillin (d) It inhibits beta lactamases that destroy amoxicillin

Last Answer : Ans: D

Piperacillin differs from carbenicillin in the following respect(s) (a) It is more active against pseudomonas aeruginosa (b) It is active against Klebsiella also (c) It is acid resistant (d) Both (a) and (b)

Description : Piperacillin differs from carbenicillin in the following respect(s) (a) It is more active against pseudomonas aeruginosa (b) It is active against Klebsiella also (c) It is acid resistant (d) Both (a) and (b)

Last Answer : Ans: D

Bleomycin is used in most effective drug combination regiment for the chemotherapy of testicular carcinoma. Which one of the following statements about the drug is accurate? (a) Acts mainly in the M phase of the cell cycle (b) Derived from the bark of yew trees (c) Myelosuppression is dose-limiting (d) Peripheral neuropathy occurs in more than 50% of patients (e) Pulmonary infiltrates and fibrosis may occur

Description : Bleomycin is used in most effective drug combination regiment for the chemotherapy of testicular carcinoma. Which one of the following statements about the drug is accurate? (a) Acts mainly in the ... neuropathy occurs in more than 50% of patients (e) Pulmonary infiltrates and fibrosis may occur

Last Answer : Ans: E

Why is peptidoglycan a major structural protein divide bacterial into two major groups?

Description : Why is peptidoglycan a major structural protein divide bacterial into two major groups?

Last Answer : Feel Free to Answer

Gram-negative bacteria would stain_________ with the Gram stain and have _______in the wall. a. orange-red; Teichoic acid b. orange-red; lipopolysaccharide c. purple; peptidoglycan d. purple; Teichoic acid

Description : Gram-negative bacteria would stain_________ with the Gram stain and have _______in the wall. a. orange-red; Teichoic acid b. orange-red; lipopolysaccharide c. purple; peptidoglycan d. purple; Teichoic acid

Last Answer : c. purple; peptidoglycan

In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine

Description : In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine

Last Answer : Answer : A

Which of the following are true archaebacteria? (1) Extreme halophiles (2) Extreme thermophyles (3) Methanogens (4) Presence of peptidoglycan cell wall Ans. (a) 43; Which of the following are endangered plants ? (1) Saintpaulia ionantha (2) Ceratozamia hildae (3) Punica granatum (4) Senecio hadrasomum

Description : Which of the following are true archaebacteria? (1) Extreme halophiles (2) Extreme thermophyles (3) Methanogens (4) Presence of peptidoglycan cell wall Ans. (a) 43; Which of the following are ... plants ? (1) Saintpaulia ionantha (2) Ceratozamia hildae (3) Punica granatum (4) Senecio hadrasomum

Last Answer : Ans. ((c))

One of the major components of cell wall of most fungi is (a) cellulose (b) hemicellulose (c) chitin (d) peptidoglycan.

Description : One of the major components of cell wall of most fungi is (a) cellulose (b) hemicellulose (c) chitin (d) peptidoglycan.

Last Answer : (c) chitin

Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Last Answer : C.80S ribosomes are distributed in cytoplasm

Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Last Answer : 80S ribosomes are distributed in cytoplasm