920 cards
Telomeres are at the ____ of chromosomes and contain high GC-content to prevent unraveling of the DNA.
____ are located in the middle of chromosomes and hold sister chromatids together until they are separated during anaphase in mitosis
Centromeres are located in the ____ of chromosomes and hold sister chromatids together until they are separated during anaphase in mitosis
Centromeres are located in the middle of chromosomes and ____
A/an ____ is one in which the centromere is located near one end of the chromosome and not in the middle
A/an acrocentric chromosome is one in which ____
Prokaryotes have ____e origin(s) of replication
____ have multiple origin(s) of replication
____ is DNA composed of nucleotides from two different sources, created in only in labs.
Recombinant DNA is DNA composed of nucleotides from ____.
____ states that DNA is transcribed to RNA , which is translated to protein.
The genetic code is considered ____ because multiple codons can code for the same amino acid .
The genetic code is considered degenerate because ____ .
Initiation (start) Codon : ____
The start codon ____
The ____ in a codon can wobble and break standard Watson-Crick rules but still code for the intended protein
The 3rd base in a codon can ____ and break standard Watson-Crick rules but still code for the intended protein
The 3rd base in a codon can wobble and break ____ but still code for the intended protein
A/an ____ is a genetic mutation where a single nucleotide base is changed , inserted or deleted from a sequence of DNA or RNA
A/an point mutation is a genetic mutation where ____
A/an ____ has no effect on protein synthesis
A/an silent mutation has ____ effect on protein synthesis
A/an ____ produces a premature stop codon .
A/an nonsense mutation produces ____.
A/an ____ produces a codon that codes for a different amino acid
A/an missense mutation produces ____
A/an ____ results from a nucleotide addition or deletion, and changes the reading frame of subsequent codons
A/an frameshift mutation results from ____, and changes the reading frame of subsequent codons
RNA uses a ____
____ is transcribed from DNA in the nucleus and then travels into the cytoplasm for translation
Messenger RNA is transcribed from DNA in the ____ for translation
Messenger RNA is transcribed from DNA in the nucleus and then travels into the cytoplasm for ____
____ brings amino acids to the ribosome and recognizes the codon on the mRNA using its own anticodon
Transfer RNA brings ____ to the ribosome and recognizes the codon on the mRNA using its own anticodon
Transfer RNA brings amino acids to the ____ and recognizes the codon on the mRNA using its own anticodon
Transfer RNA brings amino acids to the ribosome and recognizes the codon on the mRNA using its own ____
Transfer RNA brings amino acids to the ribosome and ____ the codon on the mRNA using its own anticodon
____ makes up the ribosome and is enzymatically active
Ribosomal RNA makes up the ribosome and is enzymatically ____
Ribosomal RNA makes up the ____ and is enzymatically active
____ is the first step of gene expression, in which a segment of DNA is copied into RNA by the enzyme RNA polymerase
Transcription is the first step of gene expression, in which a segment of DNA is copied into RNA by the enzyme ____
Transcription is the first step of gene expression, in which ____ by the enzyme RNA polymerase
A/an ____ is a segment of DNA wound in sequence around eight histone protein cores
A/an nucleosome is a segment of ____ wound in sequence around eight histone protein cores
A/an nucleosome is a segment of DNA wound in sequence around ____ histone protein cores
A/an nucleosome is a segment of DNA wound in sequence around eight ____
____ is the process in eukaryotic cells where primary transcript RNA is converted into mature RNA
Post- transcription al modification is the process in eukaryotic cells where ____
Post- transcription al modification is the process in ____ cells where primary transcript RNA is converted into mature RNA
____ are regions of a gene that code for proteins
Exons are regions of a gene that ____
____ are segments of a DNA or RNA molecule which do not code for proteins
Introns are segments of a DNA or RNA molecule which ____
____ is a regulated process during gene expression that results in a single gene coding for multiple proteins
Alternative splicing is a regulated process during gene expression that results in ____
The purpose of the 5’ cap and poly-A tail on mRNA is that they ____
The purpose of the ____ on mRNA is that they protect mRNA for translation
A/an ____ is a segment of prokaryotic mRNA that encodes several protein(s)
A/an polycistronic gene is a segment of ____ protein(s)