What is the secondary structure of a protein?
Jefferson IB Bio YR1 SL FALL Review 2023

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Biology
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The secondary structure of a protein refers to the local folding or coiling of the amino acid chain into structures such as alpha helices and beta sheets, stabilized by hydrogen bonds.
2.
FLASHCARD QUESTION
Front
Outline the central dogma of molecular biology.
Back
The central dogma of molecular biology describes the flow of genetic information: DNA is transcribed into RNA, which is then translated into protein.
3.
FLASHCARD QUESTION
Front
Which enzyme catalyzes the elongation of the leading strand during DNA replication?
Back
DNA polymerase is the enzyme responsible for adding nucleotides to the growing DNA strand during replication.
4.
FLASHCARD QUESTION
Front
What type of reaction is a condensation reaction?
Back
A condensation reaction is an anabolic reaction where two molecules combine to form a larger molecule, releasing a small molecule such as water.
5.
FLASHCARD QUESTION
Front
What is the result of linking two sugars together?
Back
When two monosaccharides are linked together, the resulting molecule is called a disaccharide.
6.
FLASHCARD QUESTION
Front
Define primary structure in proteins.
Back
The primary structure of a protein is the linear sequence of amino acids in a polypeptide chain, determined by the gene encoding the protein.
7.
FLASHCARD QUESTION
Front
What is the role of helicase in DNA replication?
Back
Helicase is the enzyme that unwinds the DNA double helix, separating the two strands to allow for replication.
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