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AP Bio FRQs Study Guide with Complete Solutions
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AP Bio FRQs Study Guide with Complete Solutions Describe the role of carbon in biological systems. - Answer️️ -The response indicates that carbon is used to build biological macromolecules such as carbohydrates, proteins, nucleic acids, and lipids. Explain how, when the membranes are fused...

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  • September 13, 2024
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  • 2024/2025
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  • ap bio frqs study guide with complete solutions

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©SOPHIABENNETT
EXAM_SOLUTIONS GUARANTEED SUCCESS 2024/2025 ACADEMIC YEAR




©SOPHIABENNETT 9/3/24 2024/2025

, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM



AP Bio FRQs Study Guide with Complete
Solutions


Describe the role of carbon in biological systems. - Answer✔️✔️-The response indicates

that carbon is used to build biological macromolecules such as carbohydrates, proteins,

nucleic acids, and lipids.

Explain how, when the membranes are fused, the polar parts of the phospholipids from

one cell will interact with the phospholipids from the other cell and how the nonpolar

parts of the phospholipids from one cell will interact with the phospholipids from the

other cell. - Answer✔️✔️-The response indicates that the polar part of the phospholipids

from one cell will align or interact with the polar parts of the phospholipids from the other

cell, and nonpolar parts of the phospholipids from one cell will align or interact with

nonpolar parts of the phospholipids from the other cell.

Make a claim about the most immediate effect on the fused B-cancer cells if the fused

cells are transferred to a growth medium that lacks a source of nitrogen. - Answer✔️✔️-

The response indicates that the cells will die OR that they will be unable to synthesize

DNA and RNA/nucleic acids/nucleotides and amino.

Provide reasoning with evidence based on the composition of biological

macromolecules to support your claim. - Answer✔️✔️-The response indicates that nucleic

acids (DNA, RNA, or nucleotides) and amino acids (polypeptides, or proteins) contain

nitrogen.


Page | 1

, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM


Identify the process used to form the covalent peptide bonds that join amino acids into a

polypeptide. - Answer✔️✔️-The response indicates that the process that joins amino

acids into a polypeptide is a dehydration synthesis OR a condensation reaction.

The change in the amino acid sequence illustrated in Figure 1 caused a change in the

shape of Receptor X. Based on the R groups of the original and substituted amino

acids, explain why Receptor X changed shape. - Answer✔️✔️-The response indicates

that two amino acids with charged or ionic or hydrophilic R-groups were replaced by two

amino acids with uncharged or nonpolar or hydrophobic R-groups.

Using the template below that represents the four levels of protein structure, place an X

on each level that is expected to be altered as a result of the amino acid substitutions

shown in Figure 1. - Answer✔️✔️-The response indicates primary and tertiary structure.

Explain how the amino acid substitution shown in Figure 1 is most likely to affect the

function of Receptor X. - Answer✔️✔️-The response indicates that because function is

determined by shape, the function of receptor X is likely to change OR that the

structural change might alter the binding of the molecule to receptor X OR that the

structural change might alter the ability of receptor X to cause a cellular response.

Identify the most likely mode of transport across the membrane for substance L. Explain

how information provided helps determine the most likely mode of transport. -

Answer✔️✔️-The response indicates that substance L most likely crosses the membrane

by active transport. The response indicates that the cells maintain an intracellular

concentration of 120 mM, which is always greater than the concentration of substance L

in the culture medium.



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