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6 Aug 2019

A. Which nitrogenous base is NOT present in RNA?

b. The two strands of the DNA molecule are ________: one running 5' to 3', the other

running from 3' to 5'.

C. DNA replication is called _ because each of the two molecules of

dsDNA that are produced contain one _ strand and one ______ strand.

D. If the DNA code was TACGAGCCT, what would the mRNA codons be?

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7 Aug 2019

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Related questions

1. _________________________ is the name of the process that produces proteins using RNA molecules.

a.Transcription

b Translation

c. Replication

d. Mutagenesis

2. The peptide bonding site on the ribosome:

a. A site

b. P site

c. E site

d. D site

3. The name given to the bond formed between two amino acids.

a. Hydrogen bond

b. Double bond

c. Peptide bond

d. Negative bond

4. __________________________ is the movement of the mRNA molecule on the ribosome to open up the A-site for the new incoming amino acid.

a. Transformation

b. Mutation

c. Translocation

d. Initiation

5. What does the term semi-conservative mean.

a. Replication of RNA is semi-conservative, each new strand consists of one old strand of RNA and one new strand of RNA.

b. Replication of DNA is semi-conservative, each new strand consists of one old strand of DNA and one new strand of DNA.

c. Replication of DNA is semi-conservative, each new strand consists of new strands of nucleotides.

d. Transcription of RNA is semi conservative.

6. This molecule functions during protein synthesis to recognize the codon and bring the proper amino acid back to the ribosome for translation.

a. mRNA

b. tRNA

c. rRNA

d. DNA polymerase

7. What is meant by the base-pairing rule.

a. Bases on a single strand of DNA are always found as pairs

b. Adenine always base pairs with guanine; cytosine with thymine

c. Adenine always base pairs with thymine; cytosine with guanine

d. Bases on a single strand of RNA are found in pair.

8. In this step of protein synthesis, amino acids are added to a growing polypeptide chain.

a. Initiation.

b. Elongation.

c. Termination.

d. Transpiration.

9. Three complementary bases found in a mRNA are called ____________________.

a. Anti-codon.

b. Triplet.

c. Doublet.

d. Codons.

10. Which statement best describes the job or function of the messenger RNA.

a. Carries the map of the gene sequence in the form of codons to the cytoplasm

for translation of the protein.

b. It transfers amino acids to the ribosome for protein synthesis.

c. It forms the ribosomes.

d. It helps replicate DNA.

ceruleangnat663

1. A region of a chromosome contains two strands of DNA, yet only one is used to transcribe a gene because

A. all genes are found on the same strand of DNA in a chromosome.

B.both strands are transcribed, but only one strand of DNA contains a reading frame.

C.RNA polymerase binds to the terminator, stopping transcription on one strand of DNA.

D.RNA polymerase binds to the promoter, which precedes the gene only on the template strand of DNA.

E.the start of transcription is random along the chromosome and doesn't always occur on a gene.

2. In eukaryotes an mRNA molecule can only be translated by one ribosome at a time.

True or False

3.The process by which cells use the information of RNA molecules to make proteins is transcription.

True or False

Replicate the following double-stranded fragment of DNA. Inyour answer, indicate which strands are the new strands (mark withN) and which strands are the already existingstrands (mark with Oas shownbelow). Label the 5â and 3â ends of all DNA. HINT: Youshould have 2 double-stranded fragments after replication.

O:5â GAATCAGATACAT 3â

O:3â CTTAGTCTATGTA 5â

2. The following sequence represents a few codons present in onestrand of DNA. This strand of DNA is the template strandused in transcription. Provide the codons present on theRNA that will be synthesized from the DNA templatestrand. Next, provide the amino acids on the proteinthat will be translated from the RNA strand (use the universalgenetic code to determine this).

3â TAA GTG GAG CTA ATG 5â