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AP Biology Chapter 1 | Questions And Answers Latest {} A+ Graded | 100% Verified
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AP Biology Chapter 1 | Questions And Answers Latest {2024- 2025} A+ Graded | 100%Verified
A feature of organic compounds NOT found in inorganic compounds is the presence of - carbon atoms
covalently bonded to each other
A student analyzed a viral genome and found that the genome had the following nucleotide
composition.
• 28% adenine
• 20% thymine
• 35% cytosine
• 17% guanine
Which of the following best describes the structure of the viral genome? - single-stranded DNA
The CFTR protein is made up of 1,480 amino acids linked together in a chain. Some humans produce a
version of the CFTR protein in which phenylalanine (an amino acid) has been deleted from position 508
of the amino acid chain.
Which of the following best predicts how the amino acid deletion will affect the structure of the CFTR
protein? - It will affect the primary, secondary, and tertiary structures of the CFTR protein.
Bacteriophages are viruses that infect bacteria. In an experiment, bacteriophages were labeled with
either radioactive phosphorus or radioactive sulfur. The labeled bacteriophages were incubated with
bacteria for a brief amount of time and then removed. The infected bacteria cells were found to contain
significant amounts of radioactive phosphorus but not radioactive sulfur.
, Based on the results of the experiment, which of the following types of molecules did the
bacteriophages most likely inject into the bacteria cells? - DNA
The carbohydrates glucose, galactose, and fructose have the same chemical formula (C6H12O6) but
different structural formulas, which of the following statements about glucose, galactose, and fructose
is most likely true? - The carbohydrates have different properties because they have different
arrangements of carbon, hydrogen, and oxygen atoms.
Which of the following statements best describes how organisms such as rabbits obtain the carbon
necessary for building biological molecules? - Rabbits eat plants and break down plant molecules to
obtain carbon and other atoms that they rearrange into new carbon-containing molecules.
Which of the following best describes the effect of a greater number of cysteine amino acids on the
stability of the proteins? - The change leads to increased protein stability because of an increased
number of S-S bonds in the tertiary structure of the proteins.
Which of the following characteristics of Figure 1 best shows that the fragment is RNA and not DNA? -
the identity of the nitrogenous base
Which of the following best describes a structural difference between DNA and RNA? - The backbone of
DNA contains deoxyribose, whereas the backbone of RNA contains ribose.
which molecule is likely to be solid at room temperature? - Palmitic acid, because the absence of
carbon-carbon double bonds allows the molecules to pack closely together.
Which statement best helps explain the formation of the hydrogen bond represented in the figure? -
The hydrogen attached to the oxygen has a partial negative charge, and the nitrogen also has a partial
negative charge.
Which of the following statements best describes how molecules released by the fish become nutrients
for the plants? - The ammonia molecules released by the fish are converted by the bacteria to nitrates,
which are used by the plants to make proteins and nucleic acids.
Structure of Carbohydrates - They occur as monomers, chains of monomers, and branched structures.
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