The splicing process a. occurs in prokaryotes. b. joins introns together. c. can produce multiple mRNAs from the same transcript. d. only joins exons for each gene in one way.
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| The splicing process |
| a. occurs in prokaryotes. |
| b. joins introns together. |
| c. can produce multiple mRNAs from the same transcript. |
| d. only joins exons for each gene in one way. |
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- Which is true about eukaryotic cDNA? Choose all that apply a. it is single stranded b. it is made up of only introns c. it is constructed from mRNA that is reverse transcribed d.Which statement regarding UTRs is TRUE? a) Transcription begins at the start of the 5' UTR b) Translation begins at the start of the 5' UTR c) The 5' and 3' UTRs are spliced from the mRNA transcript d) The translation stop codon is found downstream of the 3' UTRThe function of the genetic code is toa. promote transcription.b. specify the amino acids within a polypeptide.c. alter the sequence of DNA.d. do none of the above.
- Which is true about eukaryotic cDNA?Choose all that apply. a. it is constructed from mRNA that is reverse transcribed b. it is made up of only introns c. it is single stranded d. one gene may generate more than one cDNAProcess by which the DNA sequences encoding exons are exchanged and reordered through genetic recombination between DNA sequences encoding introns. Group of answer choices a)RNA editing b)Exon Definition c) Exon Shuffling d)TransesterificationAt what point in gene expression do you think the process could be regulated? Select all that apply: a) Before transcription begins. b) During the process of transcription. c) During the process of translation. d) After translation ends.
- When would a ribosome bind to a promoter sequence? A) It wouldn't. A promoter is a DNA sequence, and ribosomes don't bind to DNA. B) When the ribosome needs to transcribe the gene that that promoter controls. C) When the ribosome is translating the DNA sequence of a gene. D) When there is a start codon (AUG) in the promoter sequence. .A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNA_______ are removed from new mRNAs. a. Introns c. Poly-A tails b. Exons d. Amino acids
- Making cDNA from mRNA requires an enzyme called ____________________Muscle cells differ from nerve cells mainly because they(A) express different genes.(B) contain different genes.(C) use different genetic codes.(D) have unique ribosomes.To facilitate movement of mRNA from the nucleus into the cytoplasm, what is added to the 3’ end of mRNA? a) Ribosomes b)Transcription factors c) A cap of modified nucleotides d) Modified tRNA molecules e) A Poly-a-tail
