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- Which of the following does cytosine pair with?
- guanine
- thymine
- adenine
- a pyrimidine
- Prokaryotes contain a chromosome, and eukaryotes contain chromosomes.
- single-stranded circular; single-stranded linear
- single-stranded linear; single-stranded circular
- double-stranded circular; double- stranded linear
- double-stranded linear; double-stranded circular
- DNA replicates by which of the following models?
- conservative
- semiconservative
- dispersive
- none of the above
- The initial mechanism for repairing nucleotide errors in DNA is .
- mismatch repair
- DNA polymerase proofreading
- nucleotide excision repair
- thymine dimers
- A promoter is .
- a specific sequence of DNA nucleotides
- a specific sequence of RNA nucleotides
- a protein that binds to DNA
- an enzyme that synthesizes RNA
- Portions of eukaryotic mRNA sequence that are removed during RNA processing are .
- exons
- caps
- poly-A tails
- introns
- The RNA components of ribosomes are synthesized in the .
- cytoplasm
- nucleus
- nucleolus
- endoplasmic reticulum
- How long would the peptide be that is translated from this MRNA sequence: 5'- AUGGGCUACCGA-3'?
- 0
- 2
- 3
- 4
- Control of gene expression in eukaryotic cells occurs at which level(s)?
- only the transcriptional level
- epigenetic and transcriptional levels
- epigenetic, transcriptional, and translational levels
- epigenetic, transcriptional, post- transcriptional, translational, and post- translational levels
- Post-translational control refers to:
- regulation of gene expression after transcription
- regulation of gene expression after translation
- control of epigenetic activation
- period between transcription and translation
- 1868 reads
