Cp Biology 2 Final Exam Part A

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  • 1/31 Questions

    If a pea plant were homozygous recessive for height, how would its alleles be represented?

    • Tt
    • TT
    • Tt
    • TT
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About This Quiz


The CP Biology Final Exam Quiz is a comprehensive assessment designed to evaluate students' understanding of key concepts covered throughout the course. It encompasses various topics, including cell biology, genetics, evolution, ecology, and more.

This quiz serves as a valuable tool for students to review and reinforce their knowledge before taking the final exam. By participating in this quiz, students See morecan identify areas of strength and areas that may require further review, helping them better prepare for the exam.

Additionally, it provides an opportunity for students to practice answering different types of questions they may encounter on the final exam, such as multiple-choice, true/false, and short-answer questions. Overall, the CP Biology Final Exam Quiz aims to enhance students' confidence and readiness for success in their biology studies.

Cp Biology 2 Final Exam Part A - Quiz

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  • 2. 

    In humans, a ___ cell has ___ chromosomes.

    • Haploid ... 46

    • Haploid ... 23

    • Diploid ... 50

    • Diploid ... 23

    Correct Answer
    A. Haploid ... 23
    Explanation
    In humans, a haploid cell has 23 chromosomes. Haploid cells are cells that contain half the number of chromosomes found in diploid cells. In humans, diploid cells have 46 chromosomes, with 23 inherited from each parent. However, haploid cells, such as sperm and egg cells, only have 23 chromosomes, as they are produced through a process called meiosis, which reduces the number of chromosomes in the cell.

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  • 3. 

    A(n) ___ involves the insertion or deletion of a single base in a DNA molecule.

    • Frameshift mutation

    • Point mutation

    • Translocation

    • Mutagen

    Correct Answer
    A. Frameshift mutation
    Explanation
    A frameshift mutation involves the insertion or deletion of a single base in a DNA molecule. This type of mutation can disrupt the reading frame of the DNA sequence, causing a shift in the way the genetic code is read. As a result, the entire sequence of amino acids that are produced during protein synthesis can be altered, leading to a non-functional or partially functional protein. Frameshift mutations can have significant effects on an organism's phenotype and are often associated with genetic disorders.

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  • 4. 

    Which DNA sequence produced an mRNA strand with the sequence AGUACA?

    • UCAUGU

    • TCATGT

    • GUACAG

    • CAGTAC

    Correct Answer
    A. TCATGT
    Explanation
    The mRNA strand with the sequence AGUACA can be produced from the DNA sequence TCATGT. This is because the DNA sequence is transcribed into mRNA by replacing each DNA base with its complementary RNA base. In this case, T (thymine) is replaced with A (adenine), C (cytosine) is replaced with G (guanine), A (adenine) is replaced with U (uracil), G (guanine) is replaced with C (cytosine), and T (thymine) is replaced with A (adenine), resulting in the mRNA sequence AGUACA.

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  • 5. 

    Which of the following is a pair of complementary bases?

    • Cytosine and cytosine

    • Adenine and guanine

    • Thymine and adenine

    • Thymine and ctyosine

    Correct Answer
    A. Thymine and adenine
    Explanation
    Thymine and adenine are a pair of complementary bases because they form a base pair in DNA. Adenine always pairs with thymine, and thymine always pairs with adenine through hydrogen bonding. This base pairing is essential for DNA replication and the accurate transmission of genetic information.

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  • 6. 

    There are literally hundreds of thousands of different organic molecules. Which statement best explains how this is possible?

    • Elements can make an unlimited number of chemical bonds.

    • Carbon is unique in that it can make four chemical bonds.

    • Carbon can make twenty bonds to other carbon atoms.

    • Organic molecules are acidic.

    Correct Answer
    A. Carbon is unique in that it can make four chemical bonds.
    Explanation
    Carbon is unique in that it can make four chemical bonds. This allows it to form a wide variety of organic molecules. Unlike other elements, carbon has the ability to form stable covalent bonds with other carbon atoms, as well as with other elements such as hydrogen, oxygen, nitrogen, and sulfur. This versatility in bonding allows carbon to create complex and diverse molecular structures, leading to the vast number of organic compounds found in nature.

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  • 7. 

    Which of the following is NOT a characteristic of RNA?

    • It contains uracil.

    • It contains thymine.

    • It is made of only one strand.

    • It transfers genes to the ribosome.

    Correct Answer
    A. It contains thymine.
    Explanation
    RNA is a nucleic acid that is made up of a single strand, unlike DNA which has two strands. It contains uracil instead of thymine. RNA is responsible for transferring genetic information from DNA to the ribosome for protein synthesis. Therefore, the characteristic that is NOT true for RNA is that it contains thymine.

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  • 8. 

    Which of the following describes DNA?

    • It contains uracil.

    • It contains the sugar ribose.

    • It controls the production of proteins.

    • It is made of amino acids.

    Correct Answer
    A. It controls the production of proteins.
    Explanation
    DNA controls the production of proteins. DNA contains the genetic instructions that determine the sequence of amino acids in proteins. It does not contain uracil, as uracil is found in RNA. It also does not contain the sugar ribose, as DNA contains the sugar deoxyribose. DNA itself is not made of amino acids; rather, it is composed of nucleotides.

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  • 9. 

    Which of the following is a structural form of carbohydrate?

    • Cellulose

    • Starch

    • Enzyme

    • RNA

    Correct Answer
    A. Cellulose
    Explanation
    Cellulose is a structural form of carbohydrate because it is a complex polysaccharide made up of glucose molecules linked together in a linear chain. It forms the main structural component of plant cell walls and provides rigidity and support to the plant. Starch, on the other hand, is a storage form of carbohydrate, while enzyme and RNA are not carbohydrates at all.

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  • 10. 

    Which of the following monomers make up a lipid?

    • Glycerol and fatty acid

    • Glycerol and amino acids

    • Glycerol and nucleic acids

    • Thymine and guanine

    Correct Answer
    A. Glycerol and fatty acid
    Explanation
    Lipids are organic compounds that are insoluble in water and are an important component of cell membranes and energy storage. The monomers that make up a lipid are glycerol and fatty acids. Glycerol is a three-carbon alcohol molecule, while fatty acids are long chains of hydrocarbons with a carboxyl group at one end. These two monomers combine through a dehydration synthesis reaction to form a lipid molecule, with the fatty acids attaching to the glycerol backbone. Therefore, the correct answer is glycerol and fatty acid.

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  • 11. 

    Which of the following is NOT a nucleotide found in DNA?

    • Adenine

    • Cytosine

    • Guanine

    • Uracil

    Correct Answer
    A. Uracil
    Explanation
    Uracil is not a nucleotide found in DNA. DNA is made up of four nucleotides: adenine, cytosine, guanine, and thymine. Uracil is found in RNA instead of DNA. RNA is a different type of nucleic acid that uses uracil instead of thymine. Therefore, uracil is the correct answer as it is not a nucleotide found in DNA.

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  • 12. 

    Which of the following is a polymer of nucleotides?

    • Nucleic Acid

    • Protein

    • Carbohydrate

    • Lipid

    Correct Answer
    A. Nucleic Acid
    Explanation
    Nucleic Acid is the correct answer because it is composed of nucleotides. Nucleotides are the building blocks of nucleic acids, which include DNA and RNA. These polymers are made up of repeating units of nucleotides, each consisting of a sugar, a phosphate group, and a nitrogenous base. Proteins, carbohydrates, and lipids are not polymers of nucleotides, but rather have different molecular structures and compositions.

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  • 13. 

    Which of the following is a polymer of amino acids?

    • Protein

    • Carbohydrate

    • Lipid

    • Nucleic Acid

    Correct Answer
    A. Protein
    Explanation
    Protein is a polymer of amino acids. Amino acids are the building blocks of proteins, and they are linked together through peptide bonds to form long chains. These chains then fold into complex three-dimensional structures, giving proteins their unique functions and properties. Therefore, protein is the correct answer as it is composed of amino acid polymers.

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  • 14. 

    When an organism has two alleles at a particular locus that are different, the organism is called ______________. 

    • Purebred

    • Dominant

    • Heterozygous

    • Recessive

    Correct Answer
    A. Heterozygous
    Explanation
    When an organism has two alleles at a particular locus that are different, the organism is called heterozygous. This means that the organism has inherited two different versions of a gene for a particular trait. In heterozygous individuals, one allele may be dominant and the other recessive, resulting in the expression of the dominant allele. This can lead to a variety of phenotypic outcomes depending on the specific alleles involved.

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  • 15. 

    Hair color and eye color are examples of a person's ______________.

    • Recessive traits.

    • Phenotype.

    • Genotype.

    • Dominant traits.

    Correct Answer
    A. Phenotype.
    Explanation
    Hair color and eye color are examples of a person's phenotype because they are observable characteristics that result from the interaction between an individual's genotype and their environment. Phenotype refers to the physical traits and characteristics that are expressed or visible in an organism. In this case, hair color and eye color are determined by specific genes, but they can also be influenced by factors such as sunlight exposure or hair dye. Therefore, the correct answer is phenotype.

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  • 16. 

    Mendel's second law of genetics, the law of independent assortment, is an explanation of the _________________. 

    • Random fertilization of gametes.

    • Final stages of gametogenesis.

    • Greater strength of dominant alleles.

    • Genetic variation within species.

    Correct Answer
    A. Genetic variation within species.
    Explanation
    Mendel's second law of genetics, the law of independent assortment, states that the alleles for different traits segregate independently of each other during gamete formation. This means that the combination of alleles in one gamete does not influence the combination of alleles in another gamete. As a result, this process leads to genetic variation within a species, as different combinations of alleles can be passed on to offspring.

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  • 17. 

    Any of the alternative forms of a gene that occurs at a specific place on a chromosome are known as ______________.

    • Genes

    • Alleles

    • Chromosomes

    • Recessive traits

    Correct Answer
    A. Alleles
    Explanation
    Alleles refer to any of the alternative forms of a gene that occur at a specific place on a chromosome. They are responsible for the variations in traits that individuals can possess. Genes are the segments of DNA that provide instructions for the development and functioning of organisms. Chromosomes are structures made up of DNA and proteins that carry genes. Recessive traits are characteristics that are only expressed when an individual has two copies of the recessive allele.

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  • 18. 

    A chart or "family tree" that tracks which members of a family have a particular trait is called a _________________.

    • DNA sequence

    • Punnett square

    • Genetic linkage

    • Pedigree

    Correct Answer
    A. Pedigree
    Explanation
    A chart or "family tree" that tracks which members of a family have a particular trait is called a pedigree. This is because a pedigree is a visual representation of the inheritance patterns of specific traits within a family. It helps to identify the presence or absence of a trait in different generations and can be useful in studying genetic disorders and inheritance patterns.

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  • 19. 

    __________________ studied traits of pea plants and discovered the two fundamental laws of genetics.

    • Mendel

    • Watson and Crick

    • Mack

    • Einstein

    Correct Answer
    A. Mendel
    Explanation
    Mendel is the correct answer because he is widely known for his experiments with pea plants and his discovery of the two fundamental laws of genetics, namely the law of segregation and the law of independent assortment. Mendel's work laid the foundation for modern genetics and his discoveries revolutionized the understanding of inheritance and heredity.

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  • 20. 

    _______________ is a pattern of inheritance in which the gene for a trait is located on the X-chromosome, thereby creating disorders that are much more common in males than females.

    • Incomplete dominance

    • Co-dominance

    • Multiple allele

    • Sex-linked

    Correct Answer
    A. Sex-linked
    Explanation
    Sex-linked inheritance is a pattern in which the gene for a trait is located on the X-chromosome. This means that the trait is more common in males because they only have one X-chromosome, while females have two. If a male inherits the gene for the trait on his X-chromosome, he will express the trait because there is no other copy of the gene to mask it. However, females need to inherit the gene on both X-chromosomes to express the trait. This is why sex-linked disorders are more commonly seen in males.

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  • 21. 

    A form of nuclear division that divides a diploid cell into haploid cells and produces gametes is known as _____________.

    • Mitosis

    • Meiosis

    • Cellular regeneration

    • Binary fission

    Correct Answer
    A. Meiosis
    Explanation
    Meiosis is the correct answer because it is a form of nuclear division that specifically occurs in diploid cells and results in the production of haploid cells, which are the gametes. Mitosis, on the other hand, is a form of nuclear division that produces identical copies of the original cell, maintaining the same ploidy level. Cellular regeneration refers to the process of replacing damaged or lost cells in an organism, and binary fission is a type of cell division that occurs in prokaryotes, not in diploid cells.

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  • 22. 

    A cell that has two copies of each chromosome is said to be _____________.

    • Diploid

    • Haploid

    • Triploid

    • A gamete

    Correct Answer
    A. Diploid
    Explanation
    A cell that has two copies of each chromosome is said to be diploid. This means that it contains two sets of chromosomes, one set inherited from each parent. This is in contrast to haploid cells, which only have one set of chromosomes, and triploid cells, which have three sets of chromosomes. A gamete, on the other hand, is a reproductive cell (such as sperm or egg) that is haploid, containing only one set of chromosomes.

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  • 23. 

    A female gamete _________________.

    • Is produced in the testes.

    • Is called an ovum or an egg cell.

    • Is called a spermatocyte.

    • Is called a polar body.

    Correct Answer
    A. Is called an ovum or an egg cell.
    Explanation
    The female gamete is called an ovum or an egg cell. The ovum is produced in the ovaries, not the testes. Spermatocyte is the term used for male gametes, and a polar body is a small non-functional cell that is produced during the process of oogenesis.

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  • 24. 

    Each set of three nucleotides on mRNA coding for an amino acid is referred to as a(n) __________________.

    • Codon

    • Anticodon

    • Ribosome

    • Base pair

    Correct Answer
    A. Codon
    Explanation
    A set of three nucleotides on mRNA that codes for an amino acid is called a codon. Codons are essential in the process of protein synthesis as they determine the sequence of amino acids that will be incorporated into the growing polypeptide chain. Each codon corresponds to a specific amino acid or a stop signal. The correct answer is codon.

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  • 25. 

    Messenger RNA is formed in the process of _______________.

    • Translation

    • Transcription

    • Replication

    • Mutation

    Correct Answer
    A. Transcription
    Explanation
    Messenger RNA is formed in the process of transcription. Transcription is the process by which the DNA sequence is copied into a complementary RNA molecule. During transcription, the enzyme RNA polymerase binds to the DNA strand and synthesizes a strand of RNA that is complementary to the DNA template. This RNA molecule, known as messenger RNA (mRNA), carries the genetic information from the DNA to the ribosomes, where it is translated into a protein. Therefore, transcription is the correct process in which messenger RNA is formed.

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  • 26. 

    The process by which a DNA molecule is copied is _______________.

    • Transcription

    • Translation

    • Replication

    • Mutation

    Correct Answer
    A. Replication
    Explanation
    The correct answer is replication. Replication is the process in which a DNA molecule is copied. During replication, the double-stranded DNA molecule unwinds and separates into two strands. Each strand then serves as a template for the synthesis of a new complementary strand, resulting in two identical DNA molecules. This process is essential for cell division and the transmission of genetic information from one generation to the next. Transcription is the process of synthesizing RNA from a DNA template, while translation is the process of synthesizing proteins from RNA. Mutation refers to a change in the DNA sequence.

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  • 27. 

    Watson and Crick, with the help of Rosalind Franklin, were the first to suggest that DNA is ________________.

    • A short molecule

    • A protein molecule

    • The shape of a double helix

    • The genetic material

    Correct Answer
    A. The shape of a double helix
    Explanation
    Watson and Crick, along with the assistance of Rosalind Franklin, proposed that DNA has the shape of a double helix. This means that DNA is structured as two strands twisted around each other in a spiral staircase-like manner. This discovery was groundbreaking as it provided crucial insights into the structure and function of DNA, leading to a better understanding of genetics and heredity.

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  • 28. 

    Organic compounds always contain the element ____________.

    • Carbon

    • Nitrogen

    • Oxygen

    • Organium

    Correct Answer
    A. Carbon
    Explanation
    Organic compounds are compounds that contain carbon atoms bonded to other carbon atoms and other elements such as hydrogen, oxygen, nitrogen, sulfur, and phosphorus. Carbon is the central element in organic compounds and is essential for the formation of the complex structures and diverse properties exhibited by organic compounds. Therefore, the correct answer is carbon.

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  • 29. 

    Which phrase best describes the electron transport chain in photosynthesis?

    • A chain of photosynthetic proteins located in the stroma.

    • A collection of enzymes used to make ADP.

    • A series of proteins located in the thylakoid membrane.

    • A group of enzymes that carries energy to the Calvin cycle.

    Correct Answer
    A. A series of proteins located in the thylakoid membrane.
    Explanation
    The electron transport chain in photosynthesis is a series of proteins located in the thylakoid membrane. This chain plays a crucial role in the process of converting light energy into chemical energy by transferring electrons from one protein to another, ultimately leading to the production of ATP and NADPH. The thylakoid membrane is where the photosynthetic pigments are located, and it is the site where the light reactions of photosynthesis occur. Therefore, the electron transport chain being located in the thylakoid membrane is the most accurate description.

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  • 30. 

    The process by which plants use sunlight to make glucose is called ____________.

    • Mitosis

    • Cellular respiration

    • The cell cycle

    • Photosynthesis

    Correct Answer
    A. Photosynthesis
    Explanation
    Photosynthesis is the correct answer because it is the process through which plants convert sunlight into glucose. During photosynthesis, plants use chlorophyll in their cells to capture sunlight energy and convert it into chemical energy in the form of glucose. This process is crucial for plants as it provides them with the energy they need for growth and survival.

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  • 31. 

    The main light-absorbing molecules found in plant leaves are called ____________.

    • Chloroplasts

    • Thylakoids

    • Chlorophyll

    • Grana

    Correct Answer
    A. Chlorophyll
    Explanation
    Chlorophyll is the correct answer because it is the main light-absorbing pigment found in plant leaves. It is responsible for capturing sunlight energy during photosynthesis. Chloroplasts are the organelles that contain chlorophyll, so they are not the molecules themselves. Thylakoids are membrane structures within chloroplasts where photosynthesis takes place, but they are not the molecules responsible for light absorption. Grana are stacks of thylakoids within chloroplasts, but again, they are not the molecules involved in light absorption.

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  • Feb 27, 2024
    Quiz Edited by
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  • May 23, 2013
    Quiz Created by
    Christopher Mack

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