Which molecule moves through the lipid bilayer of a plasma membrane most rapidly?
Fall Midterm Review (OnRamps Biology)

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Biology
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11th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
CO₂ (carbon dioxide) moves rapidly through the lipid bilayer due to its small size and nonpolar nature.
2.
FLASHCARD QUESTION
Front
What is the role of protein kinase in cellular processes?
Back
Protein kinase activates proteins by transferring a phosphate group to them, which can change the protein's activity.
3.
FLASHCARD QUESTION
Front
What type of bond is formed between amino acids in a protein's primary structure?
Back
Peptide bonds are formed between amino acids in the primary structure of proteins.
4.
FLASHCARD QUESTION
Front
What happens to ATP to release free energy?
Back
Free energy is released from ATP when a phosphate group is removed.
5.
FLASHCARD QUESTION
Front
What type of reaction results in the formation of a peptide bond?
Back
A condensation reaction (or dehydration synthesis) results in the formation of a peptide bond.
6.
FLASHCARD QUESTION
Front
What is the primary structure of a protein?
Back
The primary structure of a protein is the linear sequence of amino acids linked by peptide bonds.
7.
FLASHCARD QUESTION
Front
What is the function of cAMP in cellular signaling?
Back
cAMP (cyclic adenosine monophosphate) acts as a secondary messenger in cellular signaling pathways.
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