WorksheetsProtein Synthesis and Cell Processes
Total questions: 12
Worksheet time: 6mins
Which of these statements best explains the process of energy conversion that takes place in the mitochondria?
Energy is required for carbon dioxide molecules to form six-carbon sugar molecules
Water molecules and radiant energy are necessary for anaerobic respiration to take place.
Oxygen molecules release energy in the form of heat during combustion reactions.
The energy in glucose molecules is transferred to the phosphate in ATP.
Which molecule synthesized by plants is a major source of energy for cellular processes in both plants and animals?
Wax
Glucose
Nucleic Acid
Chlorophyll
A diagram of a process that occurs in the nucleus of cells is shown. What is the purpose of the process in the diagram?
To assemble a molecule of mRNA using a DNA template
To make an exact copy of DNA before mitosis occurs
To produce a polypeptide chain of amino acids from the genetic code
To unzip strands of DNA to create a strand of bonded amino acids
One similarity between DNA and messenger RNA molecules is that they both contain...
The same sugar
Nucleotides
A nitrogenous base known as uracil
Double-Stranded polymers
A step in the process of gene expression is shown in the diagram. A strand of mRNA initially enters the cytoplasm and makes its way to a ribosome. Which process and product (what is made) are represented in the diagram?
Process: Transcription Product: tRNA
Process: Translation Product: DNA
Process: Transcription Product: mRNA
Process: Translation Product: protein
The process with the number 2 is known as ...
Replication
Mutation
Transcription
Translation
Using the codon chart, which of the following polypeptides is coded for by the mRNA sequence 5’ AUG GUU AAA CGA CAA UCC 3'
Val, Lys, Phe, Gly, Ser, Met
Met, Asp, Phe, Ala, Arg, Ser
Met, Val, lys, Arg, Gln, Ser
Ile, Gln, Lys, Asp, Gly, Ser
A step in an important biological process is shown in the diagram below. What is the purpose of this biological process?
To pass along genetic information to future generations
To transcribe information from the DNA sequence to a form that can leave the nucleus
To translate a nucleotide message into a protein that determines cell traits
To produce more nucleotides to create an identical strand of DNA
A model representing a nucleic acid molecule is shown below. Which parts of DNA is copied during this process?
Random parts that code for tRNA molecules
A chromosome that codes for many proteins
The entire strand to make a duplicate copy of DNA
A gene that codes for a protein to build a specific trait
What is the role of tRNA during translation?
Bond to open the DNA strand to read the code
Carry ribosomes to the site of protein synthesis
Break apart mRNA and send it back to the nucleus
Carry amino acids to the mRNA at the ribosome
1.Messenger RNA goes to a ribosome.
2.DNA serves as a template to make mRNA.
3.tRNA and mRNA meet to connect amino acids.
4.A protein is released from the ribosome.
Which sequence represents the correct order of protein synthesis.
2,1,3,4
2,3,1,4
1,2,3,4
1,2,4,3
Which nucleic acids is used in both cellular processes shown here?
DNA
mRNA
tRNA
rRNA
