The Ideal Quiz On Bio 113 Final
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All of the following are the end products of glycolysis except
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Pyruvate
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ATP
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NADH
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NAD+
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Energy
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About This Quiz
On preparing for a final exam, one needs to have had proper revision of the paper in question. A concern on plant and animal reproduction for is a wide topic and plant cellular composition is a fun topic to explore. The ideal Quiz on Bio 113 Final study is a guide on the same. Try it out.
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- 2.
A single glucose molecule can drive the Krebs cycle:
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One turn
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Two turns
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Three turns
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Four turns
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Six turns
Correct Answer
A. Two turnsExplanation
A single glucose molecule can drive the Krebs cycle for two turns. The Krebs cycle, also known as the citric acid cycle, is a series of chemical reactions that occur in the mitochondria of cells. Glucose is broken down during this cycle to produce energy in the form of ATP. Each turn of the Krebs cycle produces three molecules of NADH, one molecule of FADH2, and one molecule of ATP. Since glucose is first converted into two molecules of pyruvate, each pyruvate molecule enters the Krebs cycle and completes one turn. Therefore, a single glucose molecule can drive the Krebs cycle for two turns.Rate this question:
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- 3.
In a cell exposed to DNP, how many ATP molecules would be generated per molecule of glucose?
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2
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4
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36
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38
Correct Answer
A. 4Explanation
In a cell exposed to DNP, the process of oxidative phosphorylation is uncoupled, which means that ATP synthesis is disrupted. However, some ATP can still be generated through substrate-level phosphorylation during glycolysis. In glycolysis, one molecule of glucose is converted into two molecules of pyruvate, and during this process, a net of two molecules of ATP are produced. Therefore, in a cell exposed to DNP, four molecules of ATP would be generated per molecule of glucose through glycolysis.Rate this question:
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- 4.
Eukaryotic chromosomes are composed of a complex of 60% protein and 40% DNA. The name of this chemical complex is:
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Histone complex
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Chromatin
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Histamine complex
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Chromatid
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Centromere
Correct Answer
A. ChromatinExplanation
Chromatin is the correct answer because it accurately describes the chemical complex found in eukaryotic chromosomes. Chromatin is composed of approximately 60% protein and 40% DNA. It is responsible for packaging and organizing the DNA within the nucleus of a cell. Histone complex, histamine complex, chromatid, and centromere are not the correct answers as they do not accurately represent the composition or function of eukaryotic chromosomes.Rate this question:
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- 5.
If a eukaryotic cell has a single set of chromosomes, it is called:
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Haploid
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Diploid
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Polypoid
Correct Answer
A. HaploidExplanation
A eukaryotic cell with a single set of chromosomes is called haploid. In haploid cells, there is only one copy of each chromosome, which is represented by the letter "n". This is in contrast to diploid cells, which have two sets of chromosomes (2n), and polyploid cells, which have multiple sets of chromosomes (3n, 4n, etc.). Haploid cells are typically found in reproductive cells, such as sperm and egg cells, and are involved in sexual reproduction.Rate this question:
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- 6.
The physical map of the array of chromosomes is called a:
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Ecotype
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Haplotype
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Karyotype
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Phenotype
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Genotype
Correct Answer
A. KaryotypeExplanation
A karyotype refers to the physical map of an array of chromosomes. It provides a visual representation of the chromosomes in an organism's cell, arranged in pairs according to size, shape, and other characteristics. By examining a karyotype, scientists can identify and analyze any abnormalities or variations in an individual's chromosomal structure. Therefore, the correct answer is karyotype.Rate this question:
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- 7.
The physical distribution of cytoplasmic material into the two daughter cells is called:
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DNA replication
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Mitosis
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Cytokinesis
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Binary fission
Correct Answer
A. CytokinesisExplanation
Cytokinesis is the correct answer because it refers to the process of dividing the cytoplasm of a cell into two daughter cells after mitosis. This process ensures that each daughter cell receives a complete set of organelles, cytoplasmic material, and other essential components necessary for their proper functioning. DNA replication is the process of copying DNA molecules, not the distribution of cytoplasmic material. Mitosis refers to the division of the nucleus, not the cytoplasm. Binary fission is a form of cell division in prokaryotes, not eukaryotes.Rate this question:
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- 8.
What of the following cell functions are maintained by cell division?
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Growth and reproduction
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Death
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Metabolism
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Movement
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Organization
Correct Answer
A. Growth and reproductionExplanation
Cell division is a process by which cells reproduce and grow. It is responsible for the growth and development of an organism, as well as the reproduction of cells. During cell division, the genetic material is replicated and divided equally between two daughter cells, ensuring the continuity of life. Therefore, the maintenance of growth and reproduction is a crucial function of cell division. Death, metabolism, movement, and organization are not directly maintained by cell division, although they may be influenced by it.Rate this question:
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- 9.
If a cell has 32 chromosomes prior to the S and undergoes mitosis following by cytokinesis, each new daughter celll with have how many chromosomes?
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64
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32
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16
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8
Correct Answer
A. 32Explanation
During mitosis, a cell undergoes division resulting in the formation of two identical daughter cells. The process ensures that each daughter cell receives the same genetic material as the parent cell. In this case, the parent cell has 32 chromosomes. Therefore, each new daughter cell will also have 32 chromosomes, as the genetic material is equally distributed between them.Rate this question:
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- 10.
The cell produced by the fusion of an egg and sperm is the
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Gamete
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Haploid
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Zygote
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Germ line cell
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Somatic cell
Correct Answer
A. ZygoteExplanation
The correct answer is zygote. A zygote is formed when a sperm fertilizes an egg, resulting in the fusion of their genetic material. This cell is the earliest stage of development and is diploid, meaning it contains a complete set of chromosomes from both the mother and the father. The zygote will undergo cell division and differentiation to form an embryo, which will eventually develop into a fully formed organism.Rate this question:
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- 11.
The point of connection between two sister chromatids before anaphase of mitosis seperates them is called the
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Homologue
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Kinetochore
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Centromere
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Microtubule complex
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Synapis
Correct Answer
A. CentromereExplanation
The centromere is the point of connection between two sister chromatids before they are separated during anaphase of mitosis. It is responsible for holding the chromatids together and ensuring their proper alignment and distribution to daughter cells. The centromere plays a crucial role in the accurate segregation of genetic material during cell division.Rate this question:
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- 12.
Sexual reproduction increases genetic variability through all of the following except
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Crossing over in prophase 1 of meiosis
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Independent assortment of meiosis
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Fertilization
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Mitosis
Correct Answer
A. MitosisExplanation
Mitosis is a type of cell division that results in two identical daughter cells, each having the same genetic material as the parent cell. It does not involve the exchange of genetic material between homologous chromosomes, as seen in crossing over during prophase 1 of meiosis. Additionally, mitosis does not involve the random sorting of chromosomes into daughter cells, as seen in independent assortment during meiosis. Fertilization, on the other hand, combines genetic material from two different individuals, increasing genetic variability. Therefore, mitosis is the only process mentioned that does not contribute to genetic variability through sexual reproduction.Rate this question:
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- 13.
The homologous chromosomes pair up during meiosis 1. Each homologue pairs along its entire length. This process is called
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Syngamy
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Synapsis
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Meiosis
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Mitosis
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Crossing over
Correct Answer
A. SynapsisExplanation
During meiosis 1, homologous chromosomes pair up and align along their entire length. This process is called synapsis. Synapsis is important because it allows for the exchange of genetic material between homologous chromosomes, a process known as crossing over. This genetic recombination during synapsis contributes to genetic diversity in offspring. Syngamy refers to the fusion of gametes during fertilization, meiosis is the overall process of cell division that produces gametes, and mitosis is a different type of cell division that produces identical daughter cells.Rate this question:
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- 14.
All of the folloing are processes that promote new genetic combinations except
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Crossing over
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Random fertilization
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Independent assortment
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Mitosis
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Natural selection
Correct Answer
A. MitosisExplanation
Mitosis is a process of cell division that results in two identical daughter cells with the same genetic information as the parent cell. It does not involve the exchange or recombination of genetic material, unlike crossing over, random fertilization, and independent assortment. These processes promote new genetic combinations by introducing genetic variation through the exchange of genetic material between homologous chromosomes or through the combination of genetic material from two different individuals. Natural selection, on the other hand, acts on existing genetic variations to favor certain traits that increase an organism's fitness. Therefore, mitosis does not promote new genetic combinations.Rate this question:
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- 15.
The uterine lining prolifeates during the female cycle and then sloughs off in the process of
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Birth
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Fertilization
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Menstruation
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Ovulation
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Placetation
Correct Answer
A. MenstruationExplanation
During the female cycle, the uterine lining thickens and proliferates in preparation for a potential pregnancy. If fertilization does not occur, the body no longer needs the thickened lining and it is shed through menstruation. This process involves the shedding of the uterine lining, along with blood and tissue, through the vagina. Menstruation typically occurs every 28 days, although the length of the cycle can vary for each individual.Rate this question:
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- 16.
The hormone assayed in the pregnancy test is
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LH
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FSH
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Estrogen
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Progesterone
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HCG
Correct Answer
A. HCGExplanation
The hormone assayed in the pregnancy test is hCG (human chorionic gonadotropin). This hormone is produced by the placenta during pregnancy. It can be detected in the urine or blood of a pregnant woman and is used to confirm pregnancy. hCG levels rise rapidly in the early stages of pregnancy and can be detected as early as 10 days after conception. Therefore, the presence of hCG in a pregnancy test indicates that a woman is pregnant.Rate this question:
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- 17.
The most commonly employed form of birth control in the United States
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Abstinenece
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Prevention of ovulation by hormonal inhibition
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Sperm blockage with condoms
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Sterilization
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IUD
Correct Answer
A. Sperm blockage with condomsExplanation
Sperm blockage with condoms is the most commonly employed form of birth control in the United States. Condoms are a barrier method of contraception that prevent pregnancy by blocking the entry of sperm into the vagina. They are readily available, easy to use, and provide protection against both unintended pregnancies and sexually transmitted infections. Condoms are widely used because they are effective, affordable, and have minimal side effects compared to other forms of birth control.Rate this question:
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Mar 18, 2023Quiz Edited by
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Dec 07, 2008Quiz Created by
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