Replication produces two copies of DNA, each with one old and one new strand. The name of this idea is...
Semiconservative model
100
RNA polymerase does the same thing as DNA polymerase, except that the complement synthesized is made of ____________
RNA
100
The "t" in tRNA stands for...
transfer
100
A virus' protein coat is called a...
capsid
200
Nucleic acids are held together by THIS TYPE of backbone
sugar-phosphate
200
The template strand reads ACCGAATAATT. The complementary strand would read...
TGGCTTATTAA
200
Transcription is initiated by a stretch of DNA called...
promoter (region)
200
Every tRNA has two important parts:
anticodon and amino acid attachment site
200
Of the two viral cycles, the one involving the incorporation of a prophage is called...
the lysogenic cycle
300
An RNA nucleotide with "A" is made of a phosphate group, adenine, and ribose sugar. A DNA nucleotide with "A" is made of a phosphate group, adenine, and THIS sugar.
Deoxyribose
300
The enzyme responsible for separating the two DNA strands is called...
(DNA) Helicase
300
What happens to RNA polymerase when it encounters a terminator?
It falls off & stops polymerizing
300
The start codon is _________
AUG
300
Bacteria transfer DNA through phages/viruses in a process called...
transduction
400
The two strands of DNA are held together by...
hydrogen bonds
400
The strand on which DNA polymerase can synthesize in the same direction as helicase is called the _________ strand.
leading
400
Removing introns and stitching together the remaining exons of an mRNA transcript is called...
RNA splicing
400
The steps of elongation in translation are...
read codon, attach amino acid, shift, repeat
400
The small circle of DNA that carries antibiotic-resistance genes in a bacterium is called the...
R plasmid
500
How many hydrogen bonds hold together a C and G?
Three
500
DNA polymerase can only synthesize a complementary strand in the __________ direction.
5' to 3'
500
RNA processing involves splicing out introns and adding _________________ to the transcript.
a cap and tail
500
Your mRNA transcript contains the codon UGG, which codes for the amino acid tryptophan (Trp). After a subtitution mutation, the codon now reads UAG. What amino acid is coded by this new codon?
none; it is a stop codon
500
What is the name of the special enzyme in HIV that is a good target and synthesizes a DNA complement from an RNA template?