WorksheetsBiochemistry
Total questions: 35
Worksheet time: 34mins
Which sequence of DNA bases would pair with this partial strand ATG TGA CAG
ATG TGA CAG
TAC ACT GTC
GTA AGT GAC
CAT TCA CTG
Guanine bonds with ______________.
Adenine
Guanine
Cytosine
Thymine
Which 2 molecules form the sides (backbone) of the DNA ladder?
deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate
What are the three components of a nucleotide?
sugar, hydrogen, nitrogen base
sugar, oxygen, nitrogen base
sugar, phosphate, nitrogen base
sugar, phosphate, protein
Adenine bonds with ______________.
Guanine
Thymine
Cytosine
Adenine
RNA contains the sugar
ribose
deoxyribose
glucose
lactose
Which of the following statements is true?
RNA contains deoxyribose
DNA is single-stranded
RNA is single-stranded
DNA contains uracil
RNA contains deoxyribose
What is the difference between DNA and RNA in terms of bases?
RNA contains uracil in place of thymine
RNA contains uracil in place of adenine
RNA contains uracil in place of guanine
I travel outside of the nucleus.
DNA
RNA
What is the product of transcription?
DNA
mRNA
tRNA
proteins
How many nucleotides make a codon?
1
2
3
4
In what process is mRNA synthesized?
Transcription
Translation
DNA Replication
Mitosis
When these bond together, they form a protein
Amino Acids
Peptide Bonds
Ribose
Nucleotides
The process to go from DNA to mRNA is _______
translation
transcription
replication
he process to go from mRNA to a protein is called ____
transcription
rRNA
replication
translation
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: GTAGTCA
ACGACTG
CAUCAGU
CATCAGT
Where in our cells does translation occur?
nucleus
mitochondria
ribosome
chloroplast
What is the location in the cell for transcription?
nucleus
cytoplasm
ribosome
mitochondria
Contains the bases adenine, uracil, cytosine and guanine
DNA
BOTH
RNA
RNA differs from DNA in that:
all of these
it has a different kind of sugar
it has uracil
it is single stranded
all of these
What is the correct order to make a protein?
Protein, DNA, RNA
DNA, RNA, Protein
Protein, RNA, DNA
What determines the code, or information, of a DNA molecule?
the shape (structure) of the nitrogen bases
the order (sequence) of the nitrogen bases
the color of the nitrogen bases
the frequency (number) of nitrogen bases
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
mRNA
tRNA
rRNA
RNA polymerase
What makes up the SIDES of a DNA ladder?
nitrogen bases
sugars & phosphates
genes & chromosomes
RNA
enzyme unwinding and unzipping DNA.
What is the name of this enzyme?
DNA Helicase
DNA Ligase
DNA polyermase
RNA Polymerase
Which enzyme is responsible for adding the free nucleotides to the replicating DNA?
DNA Helicase
DNA Ligase
DNA polyermase
RNA Polymerase
Nitrogenous bases are joined by which type of bond?
covalent bond
hydrogen bond
polar bond
non polar bond
.
What is it called when one strain of bacteria is CHANGED by a gene
Translation
Mutation
Transformation
Hox Gene
Translation
Mutation
Transformation
Hox Gene
What is a monomer of nucleic acids made of 3 parts, a 5-carbon sugar, a phosphate group and a nitogenous base
DNA
Nucleotide
Deoxyribose
RNA
WHO made a model of the DNA molecule with two strands wound around each other called a double helix?
Chargaff
Hershey and Chase
Avery
Watson & Crick
What are genes?
Coded DNA instructions that control the production of protiens
set of plans for their specific job
set of plans for their specific job
Sequence of genetic messages
A blueprint
Does the order of amino acids in a protein matter?
YES
NO
One mRNA molecule carries the message of only one gene.
This statement is True.
This statement is False - change the underlined word to tRNA to make it true.
This statement is False - change the underlined word to DNA to make it true.
this statement is False - change the underlined word to rRNA to make it true.
What happens during translation?
Messenger RNA is made from a DNA code
The cell uses a messenger RNA code to make proteins.
Transfer RNA is made from a messenger RNA code.
Copies of DNA molecules are made.
Which of the following is NOT a function of proteins?
build tissues such as bone and muscle
store and transmit heredity
control the rate of reactions and regulate cell processes
help to fight disease
