WorksheetsHEREDITY UNIT TEST REVIEW 1
Total questions: 20
Worksheet time: 13mins
DNA is a complex macromolecule composed of --
deoxribose sugar, phosphate and fatty acid
deoxribose sugar, phosphate and nitrogen
ribose sugar, phosphate and amino acid
ribose sugar, phosphate and nitrogen
Which of the following statements is TRUE of RNA?
RNA is double stranded
RNA is found only in the nucleus
RNA contains the nitrogen base uracil
RNA contains the nitrogen base thymine
One similarity between DNA and mRNA is that they both contain --
the same sugar
a nitrogen base called thymine
double stranded polymers made up of nucleotides
genetic codes based on sequences of nitrogen bases
The monomers or building blocks of DNA and RNA are --
nucleotides
amino acids
sugars
fatty acids
DNA is used as a template /model to create a strand of mRNA during the process of --
replication
translation
transcription
transition
What is the name of the sugar in DNA?
glucose
ribose
deoxyribose
glycogen
Use your expert knowledge to identify the last step in the diagram. This is where the information found in the codons of mRNA are used to assemble amino acids to build a polypeptide chain. The polypeptide chain will be eventually folded into a specific shape to become a fully functioning protein.
replication
translation
transcription
transformation
The type of RNA that delivers the correct amino acid to the ribosome in the cytoplasm is called --
rRNA
mRNA
tRNA
RNA polymerase
What is the correct complementary strand of DNA bases that will form along the DNA strand shown below:
A T T G C A T
A T T G C A T
T A A C G T A
U A A C G U A
T U U C G T U
What type of mutation is shown in the diagram above?
insertion
deletion
base-pair substitution
translation
Which of the following shows the "Central Dogma" how information is transformed to make proteins?
DNA --------> RNA --------> Protein
Gene ---------> Chromosome --------> Protein
Cell Respiration --------> ATP ---------> Protein
ATP --------> Amino Acid ----------> Protein
Use the codon wheel to transcribe and translate the following DNA strand:
AAT - AGG - TTC - CTG
Leu - Ser - Lys - Asp
Phe - Ser - Lys - Asp
Phe - Ser - Asn - Asp
Leu - Ser - Asn - Asp
Which is NOT a function of mitosis?
growth
repair
creating genetically different cells
making identical daughter cells
Place the following sequences in order of the stages of mitosis.
2, 3, 1, 4, 5
2, 3, 5, 4, 1
3, 2, 5, 1, 4
5, 4, 3, 2, 1
What kind of cells most likely results from uncontrolled growth due to mutations in the genes that control the cell cycle?
nerve cells
bone cells
cancer cells
cardiac cells
What type of mutation does the diagram show?
deletion
insertion
substitution
translocation
Who is the father of the child?
Male 1
Male 2
Male 3
None of the males
Which of these occurs just before the cell enters G2 (growth stage 2) of the cell cycle?
the nuclear membrane disintegrates
DNA replicates
spindle fibers form
nucleus divides
Which of the following statements describes what is happening in the process?
transcription of DNA to mRNA to make proteins
a molecule of mRNA is directing the production of tRNA
molecules of RNA are forming chromosomes
semi-conservative replication of a molecule of DNA creating two identical copies
How is the information for a specific protein carried on the DNA molecule?
as a sequence of nucleotides
in the double-helix shape of the condensed chromosomes
in the ratio of cytosine to guanine
as a pattern of phosphates and sugars
