WorksheetsDNA , transcription, translation
Total questions: 20
Worksheet time: 12mins
If a species has 42% THYMINE bases found in its DNA, what percent of its bases will be ADENINE?
21%
42%
58%
48%
Deoxyribose is a
purine
pyrimidine
pentose sugar
purine, pyrimidine, and pentose sugar
What are the products of the replication of one DNA molecule?
four identical double-stranded DNA molecules
two strands joined into one double-stranded DNA molecule
two identical double-stranded DNA molecules
two non-identical double-stranded DNA molecules
The monomers of DNA and RNA are
monosaccharides
nucleotides
fatty acids
nucleic acids
DNA replication is semi-conservative meaning
occurs through the addition of nucleotides to the end of the parental DNA molecule
results in the formation of four new DNA strands
uses each strand of a DNA molecule as a template for the creation of a new strand
begins when two DNA molecules join together to exchange segments
Any change in the nucleotide sequence of DNA is called
a mutation
a mutagen
a base substitution
an anticodon
Which type of process was used to show that DNA was the genetic material
bacterial transformtion
bacterial transduction
eukaryotic meiosis
prokaryotic meiosis
Which of the following nitrogenous bases is NOT found in DNA?
(a)
Who discovered the double-helix structure of DNA?
(a)
What is the first step in DNA replication?
The stands separate
The strands unwind
DNA synthesis occurs
RNA primers are added
Four nitrogen bases in DNA are
(a)
Which brings amino acids to the ribosomes?
mRNA
tRNA
rRNA
aRNA
The process used by cells to convert the mRNA "message" into a sequence of amino acids is
translation
transcription
mitosis
replication
What is a codon?
three genes in a stand of DNA
a segment of a chromosome that codes for the production of a mRNA molecule
three amino acids in a row in a protein
three bases of mRNA that codes for a specific amino acid
What codon initiates the process of translation?
AUG
CAU
UAG
GCG
When going from DNA to mRNA, this process is called?
Transcription
Translation
Replication
What is the process to code for protein?
DNA --> mRNA --> Protein
mRNA--> DNA--Protein
Protein-->DNA-->mRNA
DNA--> Protein -m-RNA
What amino acid does the mRNA codon AGG code for?
Arg
Lys
Ser
Met
A segment of a DNA strand has the following bases: TAC GAT. What is the complementary strand of DNA?
UAG CA
TAG CAT
ATG CTA
AUG CUA
