30 Questions
Which organelle is responsible for processing proteins and is the site of ribosomes?
Endoplasmic Reticulum
What is the function of the Golgi apparatus?
Protein processing and transport
What is the main function of mitochondria in the cell?
Energy production
What is the role of cell receptors?
Cell communication
Which section of the course will discuss how the cell replicates DNA and how the information stored in DNA is converted into proteins?
Section 2 - DNA Replication
What is the main objective of Section 1 of the course?
To discuss the structure and functions of the cell
What is the purpose of the Biotechnology course series?
To teach the fundamentals of biotechnology
Where does all biotechnology start?
With cells
Which components are present in every single nucleotide?
Sugar, deoxyribose, and phosphate
What creates the differences between the DNA in different organisms?
Base
How many bases are there in DNA?
Four
What is the backbone of DNA made up of?
Sugar and phosphate
Which enzyme adds the first few nucleotides to the DNA strand during replication?
RNA primase
What is the role of DNA polymerase during DNA replication?
Adding base pairs to each strand
Which enzyme is used to amplify the DNA sequence during PCR?
Taq polymerase
What is the purpose of the thermocycler in PCR?
Controlling the temperature of the PCR reaction
Which of the following is NOT true about DNA?
DNA is present in red blood cells
What is the function of the phosphate group in a nucleotide?
Provides energy for DNA replication
What is the significance of the three prime and five prime positions in DNA?
They allow one nucleotide to connect to the next in a DNA molecule
What is the purpose of Section 2 in the text?
To explain the structure of DNA
Which component of the genome can be compared to chapters in a book?
Chromosomes
Which organism has the same number of bases and genes as humans?
Chimpanzees
What is the approximate number of genes in humans?
22,000
What percentage of the human genome is identical to the chimpanzee genome?
99%
How many chromosomes do humans have?
46
How many bases per gene are there in humans?
14,000
Which of the following best describes the function of receptors in cells?
Receptors are proteins that receive information from ligands and transmit signals to the interior of the cell.
What is the role of an antagonist in cell signaling?
An antagonist binds to a receptor and blocks the signal, halting cell proliferation.
What is the function of an agonist in cell signaling?
An agonist binds to a receptor and activates cell proliferation.
What is the main role of growth factors in cell proliferation?
Growth factors activate cell proliferation.
Test your knowledge on DNA replication and the role of RNA primase in adding nucleotides to the new DNA strands. Learn about base pairing and how it contributes to the construction of new DNA molecules.
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