WorksheetsMolecular Biology Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
The process of DNA replication is shown below. This process keeps one of the original strands in each of the new ones. What is this called?
a)
Antiparallel
b)
Mitosis
c)
Semi-Conservative Replication
2.
What process occurs in the S phase of the cell cycle when DNA is copied?
a)
DNA Replication
b)
Transcription
c)
Translation
3.
What process occurs in when RNA is made from DNA?
a)
DNA Replication
b)
Transcription
c)
Translation
4.
What process occurs when converting the genetic code in RNA into the amino acid sequence of a protein?
a)
DNA Replication
b)
Transcription
c)
Translation
5.
A scientist is studying the relationship between biochemical and molecular interactions within the cell. What branch of biology is this?
a)
Ecology
b)
Evolutionary Biology
c)
Molecular Biology
d)
Technology
6.
DNA and RNA are both made of of long chains of molecules called nucleotides. What category of macromolecules do they fall into?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
7.
What macromolecule is an organic compound composed of one or more chains of polypeptides which in turn are formed from amino acids?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
8.
What is the formation of proteins using information coded on DNA and carried by RNA?
a)
Chargaff's rules
b)
DNA Replication
c)
Protein Synthesis
d)
Photosynthesis
9.
What organic acid and polymer is composed of four nitrogenous bases (adenine, thymine, cytosine, guanine). It is the genetic material of most organisms, existing as a double stranded molecule that is held together by hydrogen bonds?
a)
Amino Acid
b)
DNA (deoxyribonucleic acid)
c)
RNA (ribonucleic acid)
d)
Enzyme
10.
What organic acid and polymer is composed of a single strand of nucleotides that consist of four nitrogenous bases (adenine, uracil, cytosine, guanine). It acts as a messenger between DNA and ribosomes and carries out the process of protein synthesis?
a)
Amino Acid
b)
DNA (deoxyribonucleic acid)
c)
RNA (ribonucleic acid)
d)
Enzyme
11.
What is the shape of the DNA molecule, resembling a spiral staircase?
a)
Double Helix
b)
Primary Structure
c)
Quaternary Structure
d)
Single Helix
12.
What is the building block of DNA and RNA that consists of a nitrogenous base, five-carbon sugar, and phosphate group?
a)
Amino Acid
b)
Codon
c)
Nucleotide
d)
Phospholipid
13.
What is a pair of complementary nitrogenous bases in a DNA molecule?
a)
Anticodon
b)
Base pair
c)
Codon
d)
Phosphate-Sugar
14.
Which type of RNA copies genetic instructions from DNA in the nucleus and carries instructions to the cytoplasm?
a)
messenger RNA (mRNA)
b)
ribosomal RNA (rRNA)
c)
transfer RNA (tRNA)
15.
Which type of RNA brings amino acids to the ribosomes where they are joined in the correct order to make proteins?
a)
messenger RNA (mRNA)
b)
ribosomal RNA (rRNA)
c)
transfer RNA (tRNA)
16.
Which type of RNA helps to form the structure of a ribosome?
a)
messenger RNA (mRNA)
b)
ribosomal RNA (rRNA)
c)
transfer RNA (tRNA)
17.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
18.
What are the sections of code that do NOT code for a protein?
a)
exon
b)
codon
c)
intron
19.
What is the complementary sequence on tRNA that reads the mRNA in sets of three bases?
a)
codon
b)
anticodon
c)
exon
20.
Where does translation take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
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