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A set of 3 bases on one loop of the tRNA molecule is called
the _____________.
Answer:
amino acid
phosphate
codon
anticodon
What type of sugar does RNA contain?
Answer:
deoxyribose
phosphate
ribose
a 3 carbon sugar
What bonds with the original DNA strands after it unzips
during DNA replication?
Answer:
free DNA nucleotides
tRNA anticodons
RNA codons
free RNA nucleotides
When a certain protein is needed, DNA makes ________to
carry the instructions to make a particular protein to the
ribosome.
Answer:
DNA
tRNA
mRNA
rRNA
Chargaff's base pair rule for RNA states that adenine will bind
with ________, while cytosine will bind with guanine.
Answer:
uracil
phosphate
ribose
nitrogen
The Watson and Crick model of DNA is a(an)
_________________________, in which two strands are
wound around each other.
Answer:
single strand
double loop
twisted single strand
double helix
How are amino acids bonded together?
Answer:
by RNA bases
by hydrogen bonds
by proteins sticking together
by peptide bonds
What is produced during transcription?
Answer:
a messenger RNA
a ribosomal RNA
a transfer RNA
an exact copy of DNA
Where is tRNA located in the cell?
Answer:
nucleus
cytoplasm
ribosome
mRNA
What happens during the process of translation?
Answer:
Copies of DNA molecules
are made.
Transfer RNA is made from
messenger RNA.
The cell uses information
from messenger RNA to produce
proteins.
Messenger RNA is made
from DNA
After the mRNA molecule is made, where will it go?
Answer:
to the golgi apparatus
to the nucleus
to the ribosome
to the smooth ER
Which of the following makes up a nucleotide found in
DNA?
Answer:
ribose + phosphate group +
uracil
ribose + phosphate group +
thymine
deoxyribose + phosphate
group + uracil
deoxyribose + phosphate
group + cytosine
What is formed by a chain of amino acids?
Answer:
a lipid
a protein
a carbon
a necklace
A segment of DNA that codes for a particular protein is called
a(n) _______________.
Answer:
amino acid
gene
triplet
codon
Three letter "words" on strands of mRNA are called
_____________________.
Answer:
codons
bases
tripletts
anticodons
How many main types of RNA are there?
Answer:
20
3
thousands
64 possible combinations
What organelle is responsible for making proteins?
Answer:
cytoplasm
nucleus
mRNA
ribosome
During DNA replication, a DNA strand that has the bases
CTAGGT produces a strand with the bases
Answer:
GAUCCA.
GATCCA.
TCGAAC.
AGCTTG.
If given the DNA strand GGGATA, what would be the
complementary RNA codon?
Answer:
AAAUAU
UUUTUT
CCCUGA
CCCUAU
What type of bonds hold the bases together in DNA?
Answer:
weak electron bonds
hydrogen bonds
peptide bonds
carbon bonds