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WorksheetsCheckpoint: Gene and Gene Expression
Total questions: 22
Worksheet time: 18mins
A segment of DNA that codes for a trait
gene
allele
chromosome
chromatid
Gene expression is the ability for a gene to be:
in the genome.
transcribed.
non-coding.
a dominant allele.
Which RNA type is the result of transcription?
tRNA
Non-coding RNA
rRNA
mRNA
Which of the following is correct?
Nucleotide triplets code a single amino acid.
Each amino acid codes a nucleotide.
Each nucleotide codes an amino acid.
Amino acid triplets code a single nucleotide.
RNA substitutes uracil for which nucleotide?
Adenine
Cytosine
Guanine
Thymine
Translation is a process where:
a polypeptide sequence is produced from a sequence of rRNA codons.
a polypeptide sequence is produced from a sequence of tRNA codons.
a polypeptide sequence is produced from a sequence of mRNA codons.
a DNA nucleotide sequence is used to produce mRNA codon sequence.
Transcription factors are produced by:
coding DNA.
structural genes.
non-coding DNA and structural genes.
non-coding DNA.
A split gene includes non-coding introns that are ____________ during post-transcriptional modification.
capped
removed
retained
methylated
Translation in eukaryotes occurs:
outside of the nucleus.
inside of the nucleus.
What enzyme does transcription use?
amylase
ligase
RNA polymerase
helicase
Which RNA carries a transcribed genetic code to the ribosome?
mRNA
rRNA
tRNA
How do you know when to begin translating a strand of mRNA?
look for AUG
start at the beginning
look for ATG
when the teacher says so!!!
In order for a gene to be expressed, ___ must bind to the gene's ___, a specific sequence of nucleotides at one end of the gene, thus initiating transcription.
DNA polymerase, promotor
DNA polymerase, operator
RNA polymerase, promotor
RNA polymerase, operator
RNA processing in eukaryote includes:
mRNA 5′- and 3′-end processing
mRNA can always perform its function
mRNA 5′- and 3′-end processing, intron splicing
intron splicing
Which organelle is the location where protein is made?
Ribosome
Nucleus
Cytoplasm
Nucleotide
Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA
UUGACUU
TTGACTT
AACTGAA
AACUGAA
