Assertion : Interferons are effective against viruses. Reason : Proteins which can be synthesized only by genetic engineering are effective against vi

Assertion : Interferons are effective against viruses. Reason : Proteins which can be synthesized only by genetic engineering are effective against vi
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Assertion : Interferons are effective against viruses. Reason : Proteins which can be synthesized only ... If both the assertion and reason are false
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Interferons are synthesized in response to (a) mycoplasma (b) bacteria (c) viruses (d) fungi.

Description : Interferons are synthesized in response to (a) mycoplasma (b) bacteria (c) viruses (d) fungi.

Last Answer : (c) viruses

Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason : Interferons stimulate inflammation at the site

Description : Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason : Interferons stimulate inflammation at the site

Last Answer : Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason ... . If both the assertion and reason are false

Assertion: HIV infection can be avoided by use of condoms. Reason: Condoms secrete anti-viral interferons.

Description : Assertion: HIV infection can be avoided by use of condoms. Reason: Condoms secrete anti-viral interferons.

Last Answer : Assertion: HIV infection can be avoided by use of condoms. Reason: Condoms secrete anti-viral ... If both the assertion and resson are false.

Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Myroplasma (4) Virus

Description : Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Myroplasma (4) Virus

Last Answer : (4) Virus Explanation: Interferons (IFNs) are a group of signaling proteins made and released by host cells in response to the presence of pathogens, such as viruses, bacteria, parasites, ... named for their ability to "interfere" with viral replication by protecting cells from virus infections.

Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Mycoplasma (4) Virus

Description : Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Mycoplasma (4) Virus

Last Answer : (4) Virus Explanation: Interferons (IFNs) are a group of signaling proteins made and released by host cells in response to the presence of pathogens, such as viruses, bacteria, parasites, ... named for their ability to "interfere" with viral replication by protecting cells from virus infections.

Interferons are synthesized in response to (1) Bacteria (2) Fungi (3) Mycoplasma(4) Virus

Description : Interferons are synthesized in response to (1) Bacteria (2) Fungi (3) Mycoplasma(4) Virus

Last Answer : Virus

Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Description : Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Last Answer : (b) used in genetic engineering

Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Description : Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.

True or False: The vast majority of mitochondrial proteins are synthesized from genetic information encoded in the mitochondrial genome.

Description : True or False: The vast majority of mitochondrial proteins are synthesized from genetic information encoded in the mitochondrial genome.

Last Answer : False. Most mitochondrial proteins are synthesized from nuclear genes and then transported into the mitochondria through the presence of a signal sequence.

Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse cr

Description : Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse cr

Last Answer : Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is ... both the assertion and reason are false

Maximum application of animal cell culture technology today is in the production of (a) insulin (b) interferons (c) vaccines (d) edible proteins.

Description : Maximum application of animal cell culture technology today is in the production of (a) insulin (b) interferons (c) vaccines (d) edible proteins.

Last Answer : (c) vaccines

The interferons are (a) antigen proteins (b) antiviral proteins (c) antibiotic proteins (d) all of these.

Description : The interferons are (a) antigen proteins (b) antiviral proteins (c) antibiotic proteins (d) all of these.

Last Answer : b) antiviral proteins

Proteins formed when cells are exposed to viral or foreign agents that are capable of activating other components of the immune system are referred to as a) interferons. Interferons are biologic response modifiers with nonspecific viricidal proteins.

Description : Proteins formed when cells are exposed to viral or foreign agents that are capable of activating other components of the immune system are referred to as a) interferons. Interferons are biologic ... series of enzymatic proteins in the serum that, when activated, destroy bacteria and other cells.

Last Answer : a) interferons. Interferons are biologic response modifiers with nonspecific viricidal proteins.

The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Description : The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Last Answer : (a) they can cut DNA at specific base sequence

One of the practical applications of genetic engineering is the bacterial production of ____.a. human insulin. b. human growth hormone c. blood clotting factors VIII and IX d. antiviral proteins e. all of the above

Description : One of the practical applications of genetic engineering is the bacterial production of ____. a. human insulin. b. human growth hormone c. blood clotting factors VIII and IX d. antiviral proteins e. all of the above

Last Answer : c. blood clotting factors VIII and IX

[Science and the world of tomorrow] A pill, synthesized protein, elixir, etc. is developed that will make a person more alert, resistant to viruses and most forms of cancer and do so within eight to twenty-one months after first use, but it has certain side effects, would you try it?

Description : [Science and the world of tomorrow] A pill, synthesized protein, elixir, etc. is developed that will make a person more alert, resistant to viruses and most forms of cancer and do so within eight to twenty-one months after first use, but it has certain side effects, would you try it?

Last Answer : I would consider taking it when I’m older and more likely to get cancer, but probably not now.

In some viruses DNA is synthesized by using RNA as a template. Such a DNA is called............

Description : 9 In some viruses DNA is synthesized by using RNA as a template. Such a DNA is called............ a. r-DNA b. C-DNA c. B- DNA d. A- DNA

Last Answer : Ans. b C-DNA

Arrange the following steps to form a basic Engineering Process Model.i. Test ii. Design iii. Install iv. Specification v. Manufacture vi. Maintain a) 2, 4, 5, 1, 6, 3 b) 4, 2, 5, 1, 3, 6 c) 2, 4, 5, 1, 3, 6 d) 4, 2, 5, 1, 6, 3

Description : Arrange the following steps to form a basic Engineering  Process Model. i. Test ii. Design iii. Install iv. Specification v. Manufacture vi. Maintain a) 2, 4, 5, 1, 6, 3 b) 4, 2, 5, 1, 3, 6 c) 2, 4, 5, 1, 3, 6 d) 4, 2, 5, 1, 6, 3

Last Answer : a) 2, 4, 5, 1, 6, 3

Assertion : Comparative biochemistry provides a strong eviednce in favour of common ancestory of living beings. Reason : Genetic code is universal.

Description : Assertion : Comparative biochemistry provides a strong eviednce in favour of common ancestory of living beings. Reason : Genetic code is universal.

Last Answer : Assertion : Comparative biochemistry provides a strong eviednce in favour of common ancestory of living ... both the assertion and reason are false.

Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Description : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

Last Answer : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid. A. ... is wrong D. If both As and R are wrong.

Assertion: Mitochondria are considered as prokaryotic endosymbiont of cell. Reason:- Genetic system of mitochondria is simillar to prokaryotes.

Description : Assertion: Mitochondria are considered as prokaryotic endosymbiont of cell. Reason:- Genetic system of mitochondria is simillar to prokaryotes.

Last Answer : Assertion: Mitochondria are considered as prokaryotic endosymbiont of cell. Reason:- Genetic system of ... If both Assertion & Reason are false.

Assertion: Coacervates are believed to be precursors of life. Reason: Coacervates were self duplicating aggregates of proteins surrounded by lipid mol

Description : Assertion: Coacervates are believed to be precursors of life. Reason: Coacervates were self duplicating aggregates of proteins surrounded by lipid mol

Last Answer : Assertion: Coacervates are believed to be precursors of life. Reason: Coacervates were self duplicating ... both the assertion and reason are false.

Assertion : Carbohydrate are most suitable for the production of energy in the body than proteins and fats. Reason : Carbohydrates can be stored in ti

Description : Assertion : Carbohydrate are most suitable for the production of energy in the body than proteins and fats. Reason : Carbohydrates can be stored in ti

Last Answer : Assertion : Carbohydrate are most suitable for the production of energy in the body than proteins and ... D. If both Assertion & Reason are false.

What is the order in which proteins are synthesized?

Description : What is the order in which proteins are synthesized?

Last Answer : Need answer

Vitamins are (A) Accessory food factors (B) Generally synthesized in the body (C) Produced in endocrine glands (D) Proteins in nature

Description : Vitamins are (A) Accessory food factors (B) Generally synthesized in the body (C) Produced in endocrine glands (D) Proteins in nature

Last Answer : Answer : A

Folding of newly synthesized proteins is accelerated by (A) Protein disulphide isomerase (B) Prolyl cis-trans isomerase (C) Chaperonins (D) All of these

Description : Folding of newly synthesized proteins is accelerated by (A) Protein disulphide isomerase (B) Prolyl cis-trans isomerase (C) Chaperonins (D) All of these

Last Answer : Answer : D

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 : 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

Last Answer : Answer : B

Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in vesicles and secretory granules d. moved across the cell membranes by endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Description : Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in ... endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Last Answer : found in vesicles and secretory granules

Proteins are synthesized in— (A) Centrosomes (B) Ribosomes (C) Mitochondria (D) Golgi bodies

Description : Proteins are synthesized in— (A) Centrosomes (B) Ribosomes (C) Mitochondria (D) Golgi bodies

Last Answer : (B) Ribosomes

At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell? (a) During G2 stage of prophase (b) During S-phase (c) During entire prophase (d) During telophase

Description : At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell? (a) During G2 stage of prophase (b) During S-phase (c) During entire prophase (d) During telophase

Last Answer : (b) During S-phase

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these (a) help in regulating metabolism (b) are exclusively synthesized in the body of a living organism as at present (c) are conjugated proteins (d) enhance oxidative metabolism.

Description : Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these (a) help in regulating metabolism (b) are exclusively synthesized in the body of a living organism as at present (c) are conjugated proteins (d) enhance oxidative metabolism.

Last Answer : (a) help in regulating metabolism

The main organelle involved in modification and outing of newly synthesized proteins to their destinations is (a) chloroplast (b) mitochondria (c) lysosome (d) endoplasmic reticulum.

Description : The main organelle involved in modification and outing of newly synthesized proteins to their destinations is (a) chloroplast (b) mitochondria (c) lysosome (d) endoplasmic reticulum.

Last Answer : (d) endoplasmic reticulum.

A characteristic of protein synthesis in both the archaea and eukarya is A.transcription and translation are coupled B.translation is inhibited by diphtheria toxin C.proteins are synthesized from D-, rather than L-, isomers of amino acids D.the initiator tRNA is charged with N-formyl- methionine

Description : A characteristic of protein synthesis in both the archaea and eukarya is A.transcription and translation are coupled B.translation is inhibited by diphtheria toxin C.proteins are synthesized from D-, ... L-, isomers of amino acids D.the initiator tRNA is charged with N-formyl- methionine

Last Answer : C.proteins are synthesized from

A characteristic of protein synthesis in both the archaea and eukarya is A- transcription and translation are coupled B- translation is inhibited by diphtheria toxin C- .proteins are synthesized from D-, rather than L-, isomers of amino acids D- the initiator tRNA is charged with N-formyl-methionine

Description : A characteristic of protein synthesis in both the archaea and eukarya is A- transcription and translation are coupled B- translation is inhibited by diphtheria toxin C- .proteins are synthesized from D-, rather than L-, isomers of amino acids D- the initiator tRNA is charged with N-formyl-methionine

Last Answer : .proteins are synthesized from D-, rather than L-, isomers of amino acids

Describe how proteins that are synthesized in the endoplasmic reticulum (ER) are transported to their final destination.

Description : Describe how proteins that are synthesized in the endoplasmic reticulum (ER) are transported to their final destination.

Last Answer : Proteins that are synthesized in the ER have a signal sequence that directs them to their target destination. Soluble proteins are carried inside the lumen of vesicles. Cargo-bearing vesicles ... lysosomes or plasma membrane. Vesicles that have released their cargo return via the reverse direction.

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 : 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

Last Answer : (B) May be synthesized in the body from essential amino acids

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these can be used as a vector/vectors. (i) Bacterium (ii) Plasmid (iii)Plasmodium (iv) Bacteriophage (a) (i), (ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Last Answer : (d) (ii) and (iv)

What is the genetic material in viruses?

Description : What is the genetic material in viruses?

Last Answer : What is the genetic material in viruses?

Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.

Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal multiplication of cells from a low rate to a high rate. c. reverses the ability of viruses to associate with cells. d. reverses the action of drugs on viruses and allows them to continue multiplying in living cells.

Description : Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal ... the action of drugs on viruses and allows them to continue multiplying in living cells.

Last Answer : a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA.

Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.

Description : Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.

Last Answer : a. Cellular Origins Hypothesis.

Newly emerging viruses causing human disease can arise from a. Species Jumping. b. Mutations. c. Genetic Recombination. d. All Of The Above (A—C) Are Correct.

Description : Newly emerging viruses causing human disease can arise from a. Species Jumping. b. Mutations. c. Genetic Recombination. d. All Of The Above (A—C) Are Correct.

Last Answer : d. All Of The Above (A—C) Are Correct.

Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : DNA is the genetic material in most of the organism

Assertion :- Catalyst is more effective in powdered form. Reason :- Number of free valencies increase.

Description : Assertion :- Catalyst is more effective in powdered form. Reason :- Number of free valencies increase.

Last Answer : Assertion :- Catalyst is more effective in powdered form. Reason :- Number of free valencies increase. A ... D. If both Assertion & Reason are False.

Assertion (A): Teaching aids have to be considered as effective supplements to instruction. Reason (R): They keep the students in good humour. Choose the correct answer from the codes given below : Codes : (A) Both (A) and (R) are true and (R) is the correct explanation of (A). (B) Both (A) and (R) are true, but (R) is not the correct explanation of (A). (C) (A) is true, but (R) is false. (D) (A) is false, but (R) is true.

Description : Assertion (A): Teaching aids have to be considered as effective supplements to instruction. Reason (R): They keep the students in good humour. Choose the correct answer from the codes given below : Codes : (A) Both (A ... ) is true, but (R) is false. (D) (A) is false, but (R) is true.

Last Answer : Answer: B

Assertion (A): For an effective classroom communication at times it is desirable to use the projection technology. Reason (R): Using the projection technology facilitates extensive coverage of course contents. (A) Both (A) and (R) are true, and (R) is the correct explanation. (B) Both (A) and (R) are true, but (R) is not the correct explanation. (C) (A) is true, but (R) is false. (D) (A) is false, but (R) is true.

Description : Assertion (A): For an effective classroom communication at times it is desirable to use the projection technology. Reason (R): Using the projection technology facilitates extensive coverage of course contents. (A) Both (A) and (R) ... ) is true, but (R) is false. (D) (A) is false, but (R) is true.

Last Answer : (B) Both (A) and (R) are true, but (R) is not the correct explanation.

If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen? (a) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently. (b) The pH of stomach will fall abruptly. (c) Steapsin will be more effective. (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.

Description : If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen? (a) The pancreatic enzymes and specially the trypsin and lipase will ... more effective. (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.

Last Answer : (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.

Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses

Last Answer : (1) Bacteria Explanation: Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane or simple organic molecules by micro-organisms such as ... or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.

The chemical component that is invariably found in all viruses is (1) proteins (2) lipids (3) DNA (4) RNA

Description : The chemical component that is invariably found in all viruses is (1) proteins (2) lipids (3) DNA (4) RNA

Last Answer : (1) proteins Explanation: All viruses contain the following two components: a nucleic acid genome and a protein capsid that covers the genome. Together this is called the nucleocapsid. The proteinous ... , many animal viruses contain a lipid envelope. The entire intact virus is called the virion.