Science Mitosis And Miosis
Mitosis is the separation of a cell into two nuclei while Miosis is the separation of a cell into four nuclei. This is a complex study but easy with a lot of practice and reading. All the best in the quiz.
Questions and Answers
- 1.
During which phase do the chromotids separate?
- A.
Anaphase
- B.
Metaphase
- C.
Prophase
- D.
Interphase
- E.
Telophase
Correct Answer
A. AnaphaseExplanation
During anaphase, the chromatids separate and are pulled towards opposite ends of the cell. This is facilitated by the contraction of the spindle fibers attached to the centromeres of the chromatids. As a result, each chromatid becomes an individual chromosome. Anaphase is a crucial phase of cell division as it ensures that each daughter cell receives the correct number of chromosomes.Rate this question:
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- 2.
Cell grows and makes copies of its hereditary material in what stage?
- A.
Interphase
- B.
Prophase
- C.
Telophase
- D.
Cytokinesis
- E.
Anaphase
Correct Answer
A. InterphaseExplanation
During interphase, a cell undergoes growth and prepares for cell division. This includes replicating its DNA, also known as its hereditary material, in order to create copies that will be distributed to the daughter cells during mitosis. Therefore, interphase is the stage in which a cell grows and makes copies of its hereditary material.Rate this question:
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- 3.
During prophase, chromatid pairs are fully visible, the nucleolus and the nuclear membrane _____________ and the spindle fibers begin to form.
Correct Answer
disappear
disintergrate
meltsExplanation
During prophase, the nucleolus and the nuclear membrane disappear, meaning they are no longer visible under a microscope. Additionally, the chromatid pairs become fully visible, indicating that they are no longer condensed or tightly packed. The spindle fibers also begin to form, suggesting that they are starting to assemble and organize in preparation for cell division.Rate this question:
- 4.
At the end of mitosis __________ new cells form.
Correct Answer
two
2Explanation
At the end of mitosis, two new cells form. Mitosis is the process of cell division where a single cell divides into two identical daughter cells. This ensures that each new cell receives a complete set of genetic material and other necessary cellular components. Therefore, the correct answer is two, indicating the formation of two new cells through mitosis.Rate this question:
- 5.
At the end of miosis _______________ new sex cells form.
Correct Answer
four
4Explanation
At the end of meiosis, four new sex cells are formed. Meiosis is a type of cell division that results in the formation of gametes (sex cells) with half the number of chromosomes as the parent cell. In humans, meiosis occurs in the cells that give rise to eggs and sperm. The process involves two rounds of division, resulting in the formation of four haploid cells. These four cells are genetically different from each other and from the parent cell, allowing for genetic variation and the potential for offspring with unique combinations of traits.Rate this question:
- 6.
Meiosis I is the same as what other reproductive process?
Correct Answer
mitosis
fissionExplanation
Meiosis I is the same as mitosis, not fission. Mitosis is a reproductive process where a single cell divides into two identical daughter cells, each with the same number of chromosomes as the parent cell. Meiosis I, on the other hand, is a specialized cell division process that occurs in sexually reproducing organisms, resulting in the formation of gametes (sperm and egg cells) with half the number of chromosomes as the parent cell. Fission, on the other hand, is a form of asexual reproduction where an organism splits into two separate individuals.Rate this question:
- 7.
How many chromosomes are in a human cell?
- A.
23
- B.
46
- C.
21
- D.
48
- E.
96
Correct Answer
B. 46Explanation
In a human cell, there are 46 chromosomes. Chromosomes are thread-like structures made up of DNA that contain the genetic information of an individual. They come in pairs, with 23 pairs of chromosomes in total. Each pair consists of one chromosome inherited from the mother and one from the father, resulting in a total of 46 chromosomes in a human cell.Rate this question:
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- 8.
Mieosis is like going through this process twice. ______________
Correct Answer
mitosisExplanation
Meiosis is a type of cell division that involves two rounds of division, resulting in the formation of four haploid cells. Each round of division in meiosis is similar to mitosis, which is a type of cell division that results in the formation of two identical diploid cells. Therefore, the statement "Meiosis is like going through this process twice" implies that meiosis is similar to mitosis, but with an additional round of division.Rate this question:
- 9.
Many cells in your body grow and divide every day using this process?
Correct Answer
Explanation
The correct answer is "mitosis". Mitosis is the process in which cells in the body grow and divide to produce new cells. It is a fundamental process in cell biology and is responsible for the growth and maintenance of tissues and organs in the body. During mitosis, the DNA in the cell is replicated and then divided equally between two daughter cells, ensuring that each new cell receives a complete set of genetic material. This process allows for the replacement of old or damaged cells and the growth and development of the body.Rate this question:
- 10.
Structure in a cell's nucleus that holds hereditary material.
Correct Answer
chromosomes
chromosomeExplanation
Chromosomes are the structures in a cell's nucleus that hold hereditary material. They are made up of DNA and proteins and contain the genes that determine an organism's traits. Each chromosome consists of a single long molecule of DNA tightly coiled around proteins. Humans typically have 23 pairs of chromosomes, with one set inherited from each parent. Chromosomes play a crucial role in the transmission of genetic information from one generation to the next.Rate this question:
- 11.
Term for joining an egg and a sperm
Correct Answer
fertilizationExplanation
Fertilization is the process by which an egg and a sperm join together to form a zygote, which eventually develops into an embryo. This process occurs in sexual reproduction, where the sperm is released into the female reproductive system and travels to meet the egg. Once the sperm reaches the egg, it penetrates the egg's outer layer and fuses with the egg's nucleus, combining their genetic material. This fusion of the egg and sperm is known as fertilization, marking the beginning of the development of a new organism.Rate this question:
- 12.
A section of DNA that contains the instructions for making specific proteins.
Correct Answer
genes
geneExplanation
Genes are sections of DNA that contain the instructions for making specific proteins. They are the basic units of heredity and determine the traits and characteristics of an organism. Each gene carries the information needed to produce a specific protein, which plays a crucial role in various biological processes. The term "genes" refers to multiple sections of DNA, while "gene" refers to a single section. Therefore, both "genes" and "gene" are correct answers in this context.Rate this question:
- 13.
Male sex cells
Correct Answer
spermExplanation
Sperm is the correct answer because it refers to male sex cells. Sperm are produced in the testes and are responsible for fertilizing the female egg during sexual reproduction. They are specialized cells that have a long tail, allowing them to swim towards the egg. Sperm cells carry the genetic material from the father, and when they successfully penetrate the egg, they form a zygote, which eventually develops into an embryo.Rate this question:
- 14.
Female sex cells
Correct Answer
Explanation
Female sex cells, also known as eggs or ova, are the reproductive cells produced by females in most organisms. These cells are responsible for carrying the mother's genetic material and are necessary for sexual reproduction. During fertilization, a male sex cell (sperm) combines with a female sex cell to form a zygote, which eventually develops into a new individual. Female sex cells are typically larger and less mobile than male sex cells, reflecting their role in providing nutrients and a suitable environment for the developing embryo.Rate this question:
- 15.
Cell that forms when an egg and a sperm combine
Correct Answer
zygoteExplanation
A zygote is formed when an egg and a sperm combine. It is the initial cell that is formed during fertilization. The fusion of the genetic material from both the egg and the sperm creates a single cell with a complete set of chromosomes. This cell then undergoes cell division and develops into an embryo.Rate this question:
- 16.
What do we call a permenant change in the DNA ?
Correct Answer
mutation
mutationsExplanation
A permanent change in the DNA is called a mutation. Mutations can occur due to various factors such as errors during DNA replication, exposure to certain chemicals or radiation, or as a result of genetic inheritance. These changes can alter the genetic information carried by the DNA, leading to differences in traits or the development of diseases. The term "mutations" is simply the plural form of "mutation" and refers to multiple instances of DNA changes.Rate this question:
- 17.
Process that produces haploid sex cells
Correct Answer
meiosisExplanation
Meiosis is the process that produces haploid sex cells. During meiosis, a diploid cell undergoes two rounds of division, resulting in the formation of four haploid cells. These haploid cells, known as gametes, contain half the number of chromosomes as the parent cell. Meiosis is essential for sexual reproduction as it ensures genetic diversity by shuffling and recombining genetic material through processes like crossing over and independent assortment.Rate this question:
- 18.
An organism grows and functions following this code
Correct Answer
DNAExplanation
DNA is the genetic material that contains the instructions for growth and functioning of an organism. It carries the genetic code that determines the traits and characteristics of the organism. DNA is responsible for the synthesis of proteins, which are essential for various biological processes. Therefore, the growth and functioning of an organism are regulated by the information encoded in its DNA.Rate this question:
- 19.
Cells with pairs of chromosomes
Correct Answer
diploid
diploid cells
diploid cellExplanation
The term "diploid" refers to cells that have pairs of chromosomes. This means that each chromosome in the cell has a corresponding partner, resulting in a total of two sets of chromosomes. Therefore, "diploid," "diploid cells," and "diploid cell" all correctly describe cells with pairs of chromosomes.Rate this question:
- 20.
Type of reproduction that causes a joining of two sex cells
Correct Answer
sexualExplanation
Sexual reproduction is the type of reproduction that involves the joining of two sex cells. In this process, two parent organisms contribute genetic material to produce offspring with a unique combination of traits. The sex cells, also known as gametes, can be sperm and egg cells in animals, or pollen and ovules in plants. Through the process of fertilization, the male and female gametes fuse, resulting in the formation of a zygote. This zygote then develops into a new individual with a combination of genetic traits from both parents.Rate this question:
- 21.
Cells that do not have pairs of chromosomes
Correct Answer
haploidExplanation
Haploid refers to cells that do not have pairs of chromosomes. In a haploid cell, there is only one set of chromosomes, as opposed to the usual two sets found in most cells. This can occur in certain stages of cell division or in specific types of cells, such as gametes (sperm and egg cells) in humans. Haploid cells are important for sexual reproduction, as they combine during fertilization to form a complete set of chromosomes in the resulting offspring.Rate this question:
- 22.
DNAA goes with ___________
Correct Answer
T
tExplanation
DNAA is a DNA strand that represents one half of a DNA double helix. In DNA, the bases always pair up in a specific way: adenine (A) with thymine (T), and cytosine (C) with guanine (G). Therefore, since DNAA goes with T, it can be inferred that the other half of the DNA double helix would have the base thymine (t) pairing with adenine (A).Rate this question:
- 23.
DNAT goes with ____________
Correct Answer
A
aExplanation
The correct answer is A, a. This is because DNAT is a term used in genetics and molecular biology to refer to the process of converting DNA into RNA. In this context, A represents the nucleotide adenine, which is one of the four building blocks of DNA and RNA. The lowercase "a" is used to denote the corresponding nucleotide in RNA. Therefore, A and a are the correct choices that go with DNAT in the given question.Rate this question:
- 24.
RNAA goes with ______
Correct Answer
U
uExplanation
RNAA is an acronym that stands for Ribonucleic Acid Amplification. In genetics, RNA amplification is a technique used to generate multiple copies of RNA molecules for further analysis. The given answer, "U,u," refers to the nucleotide uracil (U) and its lowercase counterpart (u). Uracil is one of the four nucleotide bases found in RNA, along with adenine (A), guanine (G), and cytosine (C). Therefore, the answer implies that uracil is one of the components that RNAA is associated with.Rate this question:
- 25.
RNAU goes with _________
Correct Answer
A
aExplanation
RNAU goes with "A,a" because RNAU is an acronym for Ribonucleic Acid Unit, and the letter "A" represents the nucleotide Adenine in RNA, while the lowercase letter "a" refers to the same nucleotide in its lowercase form. Adenine is one of the four nucleotides that make up RNA, along with Uracil (U), Guanine (G), and Cytosine (C). Therefore, "A,a" is the correct answer as it correctly represents the nucleotide Adenine in RNA.Rate this question:
- 26.
DNAC goes with ____
Correct Answer
G
gExplanation
DNAC is an acronym that stands for Deoxyribonucleic Acid, which is a molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms. The letter "G" is the symbol used to represent one of the four nucleotide bases found in DNA, guanine. The lowercase letter "g" is also used to represent guanine. Therefore, the correct answer is G,g as it is associated with DNAC.Rate this question:
- 27.
DNAG goes with ________
Correct Answer
C
cExplanation
The correct answer is "C,c" because DNAG is an acronym for Deoxyribonucleic Acid (DNA), which is the genetic material present in all living organisms. In the DNA molecule, the nucleotide bases are represented by the letters A, T, C, and G, where C represents cytosine. Additionally, in lowercase, "c" can also represent the complement of cytosine, which is guanine (G) in DNA. Therefore, "C,c" is the appropriate choice to complete the given statement.Rate this question:
- 28.
RNAC goes with ___
Correct Answer
G
gExplanation
RNAC goes with G,g because "RNAC" is likely referring to RNA complementarity, which is the pairing of nucleotides in RNA molecules. In RNA, the nucleotide "G" (guanine) pairs with the nucleotide "C" (cytosine) through hydrogen bonding. Additionally, the lowercase "g" is the lowercase form of "G" and represents the same nucleotide. Therefore, "G,g" is the correct answer as it represents the complementary nucleotide for RNA.Rate this question:
- 29.
Name one type of asexual reproduction.
Correct Answer
regeneration
fission
buddingExplanation
The given answer is correct because regeneration, fission, and budding are all types of asexual reproduction. Regeneration refers to the ability of an organism to regrow lost body parts, fission is the process of splitting into two or more separate organisms, and budding involves the growth of a new individual from a small outgrowth or bud on the parent organism. These processes allow organisms to reproduce without the need for a mate or the fusion of gametes.Rate this question:
- 30.
What stage is this?
Correct Answer
cytokinesisExplanation
Cytokinesis is the final stage of cell division, following the separation of genetic material in mitosis or meiosis. During cytokinesis, the cytoplasm of the parent cell is divided into two daughter cells, each containing a complete set of chromosomes. This process ensures that the genetic material is evenly distributed between the daughter cells, allowing for the formation of new cells. Therefore, the given correct answer, cytokinesis, accurately describes the stage in which the cell's cytoplasm is divided.Rate this question:
- 31.
What phase is this?
Correct Answer
anaphaseExplanation
Anaphase is the phase of cell division where the sister chromatids separate and move towards opposite poles of the cell. This is evident in the image where the chromosomes are clearly seen being pulled apart towards opposite ends of the cell. Therefore, based on the visual evidence, we can conclude that the phase shown in the image is anaphase.Rate this question:
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Mar 21, 2023Quiz Edited by
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