DNA Replication and RNA Primase Quiz

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Which components are present in every nucleotide?

Sugar and deoxyribose
Phosphate and deoxyribose
Deoxyribose and phosphate
Sugar and phosphate (correct)

What creates the differences between the DNA in different organisms?

The base (correct)
The phosphate
The sugar
The deoxyribose

How many bases are there in DNA?

Three
Four (correct)
Six
Five

What is the function of DNA polymerase?

To connect nucleotides in DNA replication (C) Signup and view all the answers

Which of the following is NOT mentioned as a possible treatment method in the field of biotechnology?

Stem Cell Therapy (C) Signup and view all the answers

What is the main focus of Section 1 of The Biology of Biotech?

The structure of the cell (B) Signup and view all the answers

What is the purpose of the Biotechnology course series mentioned in the text?

To teach the fundamentals of Biotechnology (A) Signup and view all the answers

What is the starting point for all Biotechnology?

Cells (A) Signup and view all the answers

Which of the following is NOT true about cells?

Cells cannot survive without DNA (B) Signup and view all the answers

What is the function of red blood cells?

To carry oxygen inside the human body (D) Signup and view all the answers

What is the chemical structure of DNA?

Exactly the same in every living organism (A) Signup and view all the answers

What is the role of phosphates in DNA?

To connect nucleotides in a DNA molecule (B) Signup and view all the answers

During DNA replication, base pairs can be added to each strand. Which enzyme adds the first few nucleotides as a primer?

RNA primase (A) Signup and view all the answers

What are the building blocks of DNA that are needed for PCR?

Nucleotides (A) Signup and view all the answers

What is the optimal temperature for taq polymerase to amplify DNA during PCR?

72 degrees Celsius (D) Signup and view all the answers

What is the purpose of packaging DNA into chromosomes?

To condense the genetic information into a smaller package (A) Signup and view all the answers

Which of the following is NOT a function of the cell membrane?

Allowing certain molecules to move in and out of the nucleus (D) Signup and view all the answers

What is the function of the Golgi apparatus?

Processing proteins (A) Signup and view all the answers

Which organelle is responsible for producing energy inside the cell?

Mitochondria (C) Signup and view all the answers

What is the main function of cytoskeletal components in a cell?

Giving structure to the cell (C) Signup and view all the answers

Which molecule binds to a receptor and blocks its signal, halting cell proliferation?

Antagonist (A) Signup and view all the answers

What is the role of an agonist?

To activate a receptor (D) Signup and view all the answers

What is the function of a ligand in cell signaling?

To bind to the receptor (B) Signup and view all the answers

What is the end result of insulin binding to its receptor on the surface of liver, fat, or muscle cells?

Movement of glucose from the bloodstream into the insulin-sensitive cell (A) Signup and view all the answers

Which component of the genome is compared to the chapters of a book?

Chromosomes (C) Signup and view all the answers

What is the approximate number of genes in the human genome?

22,000 (A) Signup and view all the answers

Which organisms have nearly the same number of bases and genes as humans?

Both mice and chimpanzees (B) Signup and view all the answers