QUESTION 1 What is transcription? Why is it important (in terms of this class)?

Question

QUESTION 1

What is transcription? Why is it important (in terms of this class)?

QUESTION 2

What is translation? Why is it important (in terms of this class)?

QUESTION 3

Fill in the complementary bases for the blank DNA strand given below:

1 points   

QUESTION 4

Use the DNA sequence below to complete the tables in Questions 4-6 with the appropriate mRNA codons, and tRNA anticodons, as well as the amino acids expected in the final protein. Your answers in each subsequent answer will build on those you give in the previous question.

0.33 points   

QUESTION 5

Identify the tRNA anticodons that would bond with the mRNA codons you identified in Question 4.

0.33 points   

QUESTION 6

Use your response in Questions 5 to identify the amino acids expected in the final protein (using the mRNA codons table).

Amino Acid

(use the 3-letter code or "Stop")

0.34 points   

QUESTION 7

Use the DNA sequence below to complete the tables in Questions 7-9 with the appropriate mRNA codons, and tRNA anticodons, as well as the amino acids expected in the final protein. Your answers in each subsequent answer will build on those you give in the previous question.

0.33 points   

QUESTION 8

Identify the tRNA anticodons that would bond with the mRNA codons you identified in Question 7.

0.33 points   

QUESTION 9

Use your response in Questions 8 to identify the amino acids expected in the final protein (using the mRNA codons table).

Amino Acid

(use the 3-letter code or "Stop")

0.34 points   

QUESTION 10

Use the DNA sequence below to complete the tables in Questions 10-12 with the appropriate mRNA codons, and tRNA anticodons, as well as the amino acids expected in the final protein. Your answers in each subsequent answer will build on those you give in the previous question.

0.33 points   

QUESTION 11

Identify the tRNA anticodons that would bond with the mRNA codons you identified in Question 10.

0.33 points   

QUESTION 12

Use your response in Questions 11 to identify the amino acids expected in the final protein (using the mRNA codons table).

Amino Acid

(use the 3-letter code or "Stop")

0.34 points   

QUESTION 13

Create an mRNA strand based off of the given DNA template strand:

1 points   

QUESTION 14

Using the mRNA codon chart, determine the amino acid sequence for the mRNA sequence determined in question 13. Fill in the blanks with the appropriate 3-letter amino acid code, or "Stop"

        

QUESTION 16

If a substitution occurred to the 6th base in the DNA template strand in Question 13, such that cytosine was changed to thymine, would the final protein change? Why?

ATG AAG GAT AAA AGA ACA GTG GCG TGA

Explanation / Answer

Q1.

Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase

Its an important activity as it required for gene replication or protein synthesis

Q2.

Translation is the process of converting or translating the RNA information into protein which is carried out by ribosome

Its important for synthesising amino acids which is required for the production of protein

Q3.

TAC TTC CTA TTT TCT TGT ACA CGC ACT

Q4.

TAC CGC TCC GCC GTC GAC AAT ACC ACT

AUG GCG AGG CGG CAG CUG UUA UGG UGA

Q5.

AUG GCG AGG CGG CAG CUG UUA UGG UGA

UAC CGC UCC GCC GUC GAC AAU ACC ACU

Q6.

Tac-Stop

CGC-Arginine

TCC- serine

GCC Alanine

GTC Valine

GAC Aspagicc acid

AAT lysine

ACC Theonine

ACT Theonine

Q7.

TAC

TGA

TCG

ACC

CCC

ATA

ATG

AAA

ATC

AUG     ACU    AGC   UGG    GGG    UAU   UAC UUU     UAG

Q8.

AUG     ACU    AGC   UGG    GGG    UAU   UAC UUU     UAG

UAC    UGA UCG ACC   CCC    AUA AUG AAA AUC

Q9.

TAC Methionine

TGA Theoinine

TCS Serine

ACC Stop

CCC Cystin

ATA Stop

ATG Thyoimine

AAA Proline

ATC Stop

Q10.

TAC

CAC

CCC

CGT

ATG

GCT

GGG

AAT

ATC

    AUG   GUG   GGG GCA UAC CGA   CCC   UUA UAG

Q11.

AUG   GUG   GGG GCA UAC CGA   CCC   UUA UAG

UGC   CAC    CCC   CGU AUG GCU   GGG   AAU   AUC

Q12.

AUG= METHIONINE

GUG= VALINE

GGG=CYSTINE

GCA= ALANINE

UAC= STOP

CGA= ARGININE

CCC= PROLINE

UUA=LEUCINE

UAG=STOP

Q13.

TAC

TTC

CTA

TTT

TCT

TGT

CAC

CGC

ACT

AUG AAG GAU AAA AGA ACA   GUG GCG   UGA

Q14.

AUG= METHIONINE

AAG= LYSINE

GAU=ASPERTIC ACID

AAA=LYSINE

AGA= ARGININE

ACA=THEONINE

GUG=VALINE

GCG=ALANINE

UGA=STOP

Q16.

Yes any change in the amino acids will leads to production of different protein.

TAC

TGA

TCG

ACC

CCC

ATA

ATG

AAA

ATC

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