Homework Answers
THE STATEMENT THAT IS FALSE FOR mRNA MOLECULE IS
THE CORRECT ANSWER IS E ) SOME CODONS CODE FOR MORE THAN ONE AMINO ACID
RNA has nitrogenous bases ADENINE (A) , GUANINE (G) , CYTOSINE (C) and URACIL ( U) which form the 64 possible combination of triplets which are called as codons.
From the 64 possible combinations, three codons help in termination or end of transcription which are known as STOP CODONS which do not code for any protein synthesis. They are UGA, UAA and UAG.
The codons are in triplet form and are commaless and each codon consists of three nucleotides.
The genetic code is degenerate, because there are 61 codons available for 20 types of amino acids. Therefore in some cases, several different codons can specify the same amino acid. For example GGG, GGA, GGU and GGC all these CODONS code for the amino acid GLYCINE.
The codon of mRNA binds to the complementary strand of anticodon of tRNA similar to that of Dna and RNA.
Add Answer to:
What is false regarding codons in mRNA molecules? Choose one: O A. Codons in mRNAs bind...
Question 9: The genetic code is read in groups of three nucleotides, called codons, in mRNA...
Question 9:
The genetic code is read in groups of three nucleotides, called
codons, in mRNA that specifies for a particular amino acid.
tRNA molecules act as the amino acid carriers that by correctly
pairing with the codon on mRNA can deliver the correct amino acid
to the ribosome during translation. At the tip of each tRNA
molecule is a group of three nucleotides called an anticodon and at
the other end is where the corresponding amino acid is attached...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
QUESTION 11 Meselson and Stahl had obtained the resuk below, what would have been there conclusion...
QUESTION 11 Meselson and Stahl had obtained the resuk below, what would have been there conclusion First Generation Replication Replication N4 14 NINIS NAS N15 DNA replication is conservative DNA replication is semi-conservative DNA replication is dispersive None of the above QUESTION 12 If one strand of DNA Is CGGTAC in the 5-3 direction, what is the corresponding complementary strand of DNA in the 53' direction? GCCTAG ©GTACG TAACGT GCCATG CATGGA QUESTION 13 Which of the following statements regarding the...
The genetic code is read in groups of three (3) nucleotides called codons. Some mutations are...
The genetic code is read in groups of three (3) nucleotides called codons. Some mutations are silent because they have no effect on the phenotype. How is that possible? Since there was a mutation in one of the codons, that gene will not be expressed. o It is not possible, mutations are always expressed and always have an effect The mutation changed the codon but the new codon codes for the same amino acid The ribosome knows there was a...
There are 20 different tRNA molecules, one for each of the 20 amino acids found in protein
There are 20 different tRNA molecules, one for each of the 20 amino acids found in protein. During protein synthesis, the job of a tRNA molecule is to carry its particular amino acid to the growing protein chain and find the correct amino acid position there. It does this by matching a 3- letter anticodon on the tRNA to a complementary 3-letter codon on mRNA. Below, in a diagram of a ERNA molecule, nucleotides are represented by small circles, some...
What role does mRNA play in the process of protein synthesis? Choose all that apply. Select...
What role does mRNA play in the process of protein synthesis? Choose all that apply. Select one or more: Every three nucleotides binds an amino acid It opens up the DNA strand for transcription to occur ] c. It is a template for the arrangement of tRNAS 1 d. It determines the order in which amino acids are added to the growing protein e. It copies DNA to be used in later steps
The answer should be more than one. Select all statements that describe stop codons. 43 10...
The answer should be more than one.
Select all statements that describe stop codons. 43 10 Check All That Apply points O U Stop codons bind to release factor proteins. eBook 0 U Stop codons are found in exons. Print References 0 Stop codons are also called nonsense codons. 0 Stop codons are 5'UAA, 5' UAG, and 5' UGA. 0 U Stop codons specifically bind uncharged tRNAs. 0 Stop codons are found in introns 0 U Stop codons code for...
What is the minumum number of tRNA molecules that a cell must contain in order to translate all 61 sense codons? Match t...
What is the minumum number of tRNA molecules that a cell must
contain in order to translate all 61 sense codons?
Match the words in the left column to the appropriate blanks in
the sentences on the right.
second tRNAs with variations each in the positions would sixty one tRNAs suffice to translate sixteen amino acids. Because of wobble in the position, only variations suffice to translate all twenty amino acids. Therefore, sixteen should be the minimum needed to translate...
Multiple types of RNAs are involved in translation. Choose the all the types of RNAs and...
Multiple types of RNAs are involved in translation. Choose the all the types of RNAs and their functions in translation. a. mRNAs are templates that provide coding information to form proteins b. rRNAs are ribozymes that catalyze the addition of amino acids. c. mRNAs are adaptor molecules that contain amino acids. d. tRNAs are ribozymes that catalyze the addition of amino acids. e.rRNAs are templates that provide coding information to form proteins. O f. tRNAs are adaptor molecules that contain...
What is the minumum number of tRNA molecules that a cell must contain in order to translate all 61 sense codons? Match the words in the left column to the appropriate blanks in the sentences on the ri...
What is the minumum number of tRNA molecules that a cell must
contain in order to translate all 61 sense codons?
Match the words in the left column to the appropriate blanks in
the sentences on the right.
three tRNAs with variations each in the positions would thirty two tRNAs suffice to translate sixteen amino acids. Because of wobble in the position, only variations suffice to translate all twenty amino acids. Therefore, sixty one tRNAS should be the minimum needed...
Question 9:
The genetic code is read in groups of three nucleotides, called
codons, in mRNA that specifies for a particular amino acid.
tRNA molecules act as the amino acid carriers that by correctly
pairing with the codon on mRNA can deliver the correct amino acid
to the ribosome during translation. At the tip of each tRNA
molecule is a group of three nucleotides called an anticodon and at
the other end is where the corresponding amino acid is attached...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
QUESTION 11 Meselson and Stahl had obtained the resuk below, what would have been there conclusion First Generation Replication Replication N4 14 NINIS NAS N15 DNA replication is conservative DNA replication is semi-conservative DNA replication is dispersive None of the above QUESTION 12 If one strand of DNA Is CGGTAC in the 5-3 direction, what is the corresponding complementary strand of DNA in the 53' direction? GCCTAG ©GTACG TAACGT GCCATG CATGGA QUESTION 13 Which of the following statements regarding the...
The genetic code is read in groups of three (3) nucleotides called codons. Some mutations are silent because they have no effect on the phenotype. How is that possible? Since there was a mutation in one of the codons, that gene will not be expressed. o It is not possible, mutations are always expressed and always have an effect The mutation changed the codon but the new codon codes for the same amino acid The ribosome knows there was a...
What role does mRNA play in the process of protein synthesis? Choose all that apply. Select one or more: Every three nucleotides binds an amino acid It opens up the DNA strand for transcription to occur ] c. It is a template for the arrangement of tRNAS 1 d. It determines the order in which amino acids are added to the growing protein e. It copies DNA to be used in later steps
The answer should be more than one.
Select all statements that describe stop codons. 43 10 Check All That Apply points O U Stop codons bind to release factor proteins. eBook 0 U Stop codons are found in exons. Print References 0 Stop codons are also called nonsense codons. 0 Stop codons are 5'UAA, 5' UAG, and 5' UGA. 0 U Stop codons specifically bind uncharged tRNAs. 0 Stop codons are found in introns 0 U Stop codons code for...
What is the minumum number of tRNA molecules that a cell must
contain in order to translate all 61 sense codons?
Match the words in the left column to the appropriate blanks in
the sentences on the right.
second tRNAs with variations each in the positions would sixty one tRNAs suffice to translate sixteen amino acids. Because of wobble in the position, only variations suffice to translate all twenty amino acids. Therefore, sixteen should be the minimum needed to translate...
Multiple types of RNAs are involved in translation. Choose the all the types of RNAs and their functions in translation. a. mRNAs are templates that provide coding information to form proteins b. rRNAs are ribozymes that catalyze the addition of amino acids. c. mRNAs are adaptor molecules that contain amino acids. d. tRNAs are ribozymes that catalyze the addition of amino acids. e.rRNAs are templates that provide coding information to form proteins. O f. tRNAs are adaptor molecules that contain...
What is the minumum number of tRNA molecules that a cell must
contain in order to translate all 61 sense codons?
Match the words in the left column to the appropriate blanks in
the sentences on the right.
three tRNAs with variations each in the positions would thirty two tRNAs suffice to translate sixteen amino acids. Because of wobble in the position, only variations suffice to translate all twenty amino acids. Therefore, sixty one tRNAS should be the minimum needed...
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