U1_L7 WG
Presentation
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Biology
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12th Grade
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Practice Problem
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Easy
Standards-aligned
Christine Collins
Used 3+ times
FREE Resource
30 Slides • 6 Questions
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Multiple Choice
Which of the following best describes a polymer?
A molecule made of repeating building blocks joined by covalent bonds
A weak attraction between slightly charged parts of molecules
A reaction that breaks molecules into smaller units
A compound made of simple sugars
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Open Ended
Gastroesophageal Reflux Disease is a condition where the pH of stomach acid can change rapidly. Use the text and model 2 to explain what would happen to the activity of lactase.
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Multiple Select
Which of the following conditions can affect enzyme productivity?
Temperature
pH
Light
Pressure
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Multiple Choice
Which functional groups are present in the general structure of an amino acid as shown in the diagram?
Amino group and carboxyl group
Hydroxyl group and methyl group
Phosphate group and sulfhydryl group
Aldehyde group and ketone group
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Multiple Choice
What type of bond links amino acids together in a polypeptide chain?
Peptide bond
Hydrogen bond
Ionic bond
Disulfide bond
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Multiple Choice
Which structural features distinguish an alpha helix from a beta-sheet in protein secondary structure?
Alpha helix is a coiled structure, beta-sheet is a folded sheet-like structure
Alpha helix has parallel strands, beta-sheet has antiparallel strands
Alpha helix is stabilized by peptide bonds, beta-sheet is stabilized by disulfide bonds
Alpha helix is found only in enzymes, beta-sheet is found only in antibodies
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