Mention the role of the codons UGA during proteins synthesis -Science

Mention the role of the codons UGA during proteins synthesis -Science
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In biosynthesis of proteins the chain terminating codons are (A) UAA, UAG and UGA (B) UGG, UGU and AGU (C) AAU, AAG and GAU (D) GCG, GCA and GCU

Description : In biosynthesis of proteins the chain terminating codons are (A) UAA, UAG and UGA (B) UGG, UGU and AGU (C) AAU, AAG and GAU (D) GCG, GCA and GCU

Last Answer : Answer : A

The codons causing chain termination are (a) AGT, TAG, UGA (b) UAG, UGA, UAA (c) TAG, TAA, TGA (d) GAT, AAT, AGT

Description : The codons causing chain termination are (a) AGT, TAG, UGA (b) UAG, UGA, UAA (c) TAG, TAA, TGA (d) GAT, AAT, AGT

Last Answer : (b) UAG, UGA, UAA

Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? (a) AUG, ACG - Start/methionine (b) UUA, UCA - Leucine (c) GUU, GCU - Alanine (d) UAG, UGA - Stop

Description : Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? (a) AUG, ACG - Start/methionine (b) UUA, UCA - Leucine (c) GUU, GCU - Alanine (d) UAG, UGA - Stop

Last Answer : (b) UUA, UCA - Leucine

The codons causing chain termination are (a) AGT, TAG, UGA (b) UAG, UGA, UAA (c) TAG, TAA, TGA (d) GAT, AAT, AGT

Description : The codons causing chain termination are (a) AGT, TAG, UGA (b) UAG, UGA, UAA (c) TAG, TAA, TGA (d) GAT, AAT, AGT

Last Answer : b) UAG, UGA, UAA

Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? (a) AUG, ACG - Start/methionine (b) UUA, UCA - Leucine (c) GUU, GCU - Alanine (d) UAG, UGA - Stop

Description : Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? (a) AUG, ACG - Start/methionine (b) UUA, UCA - Leucine (c) GUU, GCU - Alanine (d) UAG, UGA - Stop

Last Answer : (d) UAG, UGA - Stop

During protein synthesis in an organism at one point the process comes to a halt. Select the group of the three codons from the following, from which

Description : During protein synthesis in an organism at one point the process comes to a halt. Select the group of the three codons from the following, from which

Last Answer : During protein synthesis in an organism at one point the process comes to a halt. Select the group of the three ... C. UAG, UGA, UAA D. UUG, UCA, UCG

Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains

Description : Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains

Last Answer : Answer : C

How many effective codons are there for the synthesis of twenty aminoacids

Description : 13.How many effective codons are there for the synthesis of twenty aminoacids (a)64 (b)32 (c)60 (d)61

Last Answer : ANS.(D) 61

Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true concerning acute phase protein response to surgical stress? a. Glucocorticoid hormones inhibit this response b. Proteins such as albumin and transferrin which serve in serum transport are generally increased in this response c. Examples of acute phase proteins include fibrinogen and C-reactive protein d. In general, the physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage

Description : Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true ... physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage

Last Answer : Answer: c, d IL-6 is now recognized at the cytokine primarily responsible for the alteration in hepatic synthesis recognized as the acute phase response. Glucocorticoid hormones augment ... that generally inhibit the tissue destruction that is associated with the local initiation of inflammation

How do plants get nitrogen to synthesis proteins? -Science-7

Description : How do plants get nitrogen to synthesis proteins? -Science-7

Last Answer : Plants can get nitrogen to synthesise protein by- 1) They modify some parts of their body such as apex of leaf and change themselves to become insectivorous plants. 2) Leguminous plants like- pea plants,etc. have rhisobium bacteria in their root nodules which also provide them nitrogen.

The codon which serves as translation start signal is (A) AUG (B) UAG (C) UGA (D) UAA

Description : The codon which serves as translation start signal is (A) AUG (B) UAG (C) UGA (D) UAA

Last Answer : Answer : A

Which one of the following is the starter codon? (a) UAA (b) UAG (c) AUG (d) UGA

Description : Which one of the following is the starter codon? (a) UAA (b) UAG (c) AUG (d) UGA

Last Answer : (c) AUG

Which one of the following is the starter codon? (a) UAA (b) UAG (c) AUG (d) UGA

Description : Which one of the following is the starter codon? (a) UAA (b) UAG (c) AUG (d) UGA

Last Answer : (c) AUG

Which of the termination codon is called amber? A- UAA B- UAG C- UGA D- AUG

Description : Which of the termination codon is called amber? A- UAA B- UAG C- UGA D- AUG

Last Answer : UAG

The nonsense codon(s) is/are A-UAG B-UAA C-UGA D-all of these

Description : The nonsense codon(s) is/are A-UAG B-UAA C-UGA D-all of these

Last Answer : all of these

Which of the termination codon is called amber? A- UAA B- UAG C- UGA D- AUG

Description : Which of the termination codon is called amber? A- UAA B- UAG C- UGA D- AUG

Last Answer : UAG

The nonsense codon(s) is/are A-UAG B-UAA C-UGA D-all of these

Description : The nonsense codon(s) is/are A-UAG B-UAA C-UGA D-all of these

Last Answer : all of these

Which stop codon has been found to encode selenocysteine? A- UAA B- UAG C- UGA D-.AGA

Description : Which stop codon has been found to encode selenocysteine? A- UAA B- UAG C- UGA D-.AGA

Last Answer : UGA

Energy for activation of amino acids during proteins synthesis comes from

Description : Energy for activation of amino acids during proteins synthesis comes from

Last Answer : Energy for activation of amino acids during proteins synthesis comes from A. ATP B. GTP C. CTP D. UTP

The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

Description : The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

Last Answer : Answer : B

Which organ is responsible for the synthesis of most plasma proteins? -Biology

Description : Which organ is responsible for the synthesis of most plasma proteins? -Biology

Last Answer : answer:

What happens in the cell before protein production can happen the steps in protein synthesis where the finished proteins can go and what those finished proteins can do for the cell).?

Description : What happens in the cell before protein production can happen the steps in protein synthesis where the finished proteins can go and what those finished proteins can do for the cell).?

Last Answer : Need answer

The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin

Description : The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin

Last Answer : Answer : D

CTP is required for the synthesis of (A) Fatty acids (B) Proteins (C) Phospholipids (D) Cholesterol

Description : CTP is required for the synthesis of (A) Fatty acids (B) Proteins (C) Phospholipids (D) Cholesterol

Last Answer : Answer : C

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

An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix of DNA by an enzyme known as DNA polymerase b. The initial product of DNA transcription is called heterogeneous nuclear RNA which codes directly for proteins c. After processing is complete, the mRNA is exported from the nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand

Description : An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix ... nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand

Last Answer : Answer: c Transcription of a gene begins at an initiation site associated with a specific DNA sequence, termed a promoter region. After binding to DNA, the RNA polymerase opens up a short ... different proteins from the same gene. mRNA is exported from the nucleus only after processing is complete

Amino acids are required for the synthesis of – (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates

Description : Amino acids are required for the synthesis of – (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates

Last Answer : (3) Proteins Explanation: Amino acids are required for the synthesis of body protein and other important nitrogen-containing com-pounds. Amino acids are constituents of protein and act as precursors for ... be synthesized and which must then be acquired via the diet are referred to as essential.

Which of the following is an essential element used in the synthesis of proteins and other compounds? (1) Phosphorus (2) Iron (3) Magnesium (4) Nitrogen

Description : Which of the following is an essential element used in the synthesis of proteins and other compounds? (1) Phosphorus (2) Iron (3) Magnesium (4) Nitrogen

Last Answer : (4) Nitrogen Explanation: Although all of the elements above are used by plants and taken up via the soil, nitrogen is especially essential and used specifically for the for the synthesis of proteins and other compounds.

RNA is intimately associated with synthesis of which constituent of the cell. a. Carbohydrates b. Proteins c. Lipids d. Inorganics

Description : RNA is intimately associated with synthesis of which constituent of the cell. a. Carbohydrates b. Proteins c. Lipids d. Inorganics

Last Answer : Proteins

he synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called (A) A ferment or an enzyme (B) Haemoglobin (C) Fungi (D) None of these

Description : he synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called (A) A ferment or an enzyme (B) Haemoglobin (C) Fungi (D) None of these

Last Answer : (C) Fungi

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

Aminoglycoside antibiotics exert the following action(s) on sensitive bacteria: A. Induce synthesis of defective proteins B. Make bacterial cell membrane more leaky C. Augment their own carrier mediated entry into the bacteria D. All of the above

Description : Aminoglycoside antibiotics exert the following action(s) on sensitive bacteria: A. Induce synthesis of defective proteins B. Make bacterial cell membrane more leaky C. Augment their own carrier mediated entry into the bacteria D. All of the above

Last Answer : D. All of the above

The distinctive feature of nimesulide is: A. It does not inhibit prostaglandin synthesis B. It does not cause gastric irritation C. It is usually well tolerated by aspirin intolerant asthma patients D. It is not bound to plasma proteins

Description : The distinctive feature of nimesulide is: A. It does not inhibit prostaglandin synthesis B. It does not cause gastric irritation C. It is usually well tolerated by aspirin intolerant asthma patients D. It is not bound to plasma proteins

Last Answer : C. It is usually well tolerated by aspirin intolerant asthma patients

Amino acids are required for the synthesis of : (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates

Description : Amino acids are required for the synthesis of : (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates

Last Answer : Proteins

What are codons and anticodons? -Biology

Description : What are codons and anticodons? -Biology

Last Answer : answer:

Match the codons given in column I with their respective amino acids given in column II and choose the correct answer.

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

Which one of the following codons for the same information as UGC ?

Description : Which one of the following codons for the same information as UGC ?

Last Answer : Which one of the following codons for the same information as UGC ? A. UGU B. UGA C. UAG D. UGG

All nonsence codons have first base

Description : All nonsence codons have first base

Last Answer : All nonsence codons have first base A. Adenine B. Cytosine C. Uracil D. Guanine

Number of of codons in a genetic triplet code is

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

A codon specifies the same amino acid in Brassica and homo because codons are

Description : A codon specifies the same amino acid in Brassica and homo because codons are

Last Answer : A codon specifies the same amino acid in Brassica and homo because codons are A. Non-overlapping B. Commaless C. Universal D. Nonambiguous

What is the complimentary mRNA sequence of codons for t-a-c-a-g-g?

Description : What is the complimentary mRNA sequence of codons for t-a-c-a-g-g?

Last Answer : Before we look at the complimentary mRNA sequence of the givenDNA sequence, let us remember that RNA contains uracil (U) in placeof Thiamine (T)The querry sequence is:t-a-c-c-t-c-g-c-a-a-c-tSo the mRNA sequence would be:A U G G A G C G U U G A

What is the complimentary mRNA sequence of codons for t-a-c-a-g-g?

Description : What is the complimentary mRNA sequence of codons for t-a-c-a-g-g?

Last Answer : Before we look at the complimentary mRNA sequence of the givenDNA sequence, let us remember that RNA contains uracil (U) in placeof Thiamine (T)The querry sequence is:t-a-c-c-t-c-g-c-a-a-c-tSo the mRNA sequence would be:A U G G A G C G U U G A

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

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

Codons are in (A) DNA (B) mRNA (C) tRNA (D) rRNA

Description : Codons are in (A) DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : B

Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Last Answer : Answer : A

Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons

Description : Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons

Last Answer : Answer : C

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

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

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

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

Nonsense codons are present on (A) mRNA (B) tRNA (C) rRNA (D) None of these

Description : Nonsense codons are present on (A) mRNA (B) tRNA (C) rRNA (D) None of these

Last Answer : Answer : A