Which of the following functions are accomplished by cell division? a) growth, communication, and development b) growth, repair, and reproduction c) development, communication, and reproduction d) growth, communication, and repair
Which of the following functions are accomplished by cell division? a) growth, communication, and development b) growth, repair, and reproduction c) development, communication, and reproduction d) growth, communication, and repair
During asexual reproduction, the genetic material of the parent is passed on to the offspring by A) homologous pairing. B) mitosis and cytokinesis. C) meiosis and fertilization. D) meiosis and cytokinesis.
During asexual reproduction, the genetic material of the parent is passed on to the offspring by A) homologous pairing. B) mitosis and cytokinesis. C) meiosis and fertilization. D) meiosis and cytokinesis.
As the result of normal mitosis, the daughter cells are a) identical to neither the parent cell nor to each other b) genetically identical to each other but not to the parent cell c) genetically identical to the parent cell but not to each other d) genetically identical to the parent cell and to each other
As the result of normal mitosis, the daughter cells are a) identical to neither the parent cell nor to each other b) genetically identical to each other but not to the parent cell c) genetically identical to the parent cell but not to each other d) genetically identical to the parent cell and to each other
An animal cell with 12 chromosomes undergoes normal mitosis. What is the total number of chromosomes in each of the resulting daughter cells? a) 6 b) 8 c) 12 d) 24
An animal cell with 12 chromosomes undergoes normal mitosis. What is the total number of chromosomes in each of the resulting daughter cells? a) 6 b) 8 c) 12 d) 24
Asexual reproduction of diploid organisms normally results in new organisms that contain cells with A) fewer chromosomes than are found in the cells of the parent B) the haploid number of chromosomes C) more chromosomes than are found in the cells of the parent D) the diploid number of chromosomes
Asexual reproduction of diploid organisms normally results in new organisms that contain cells with A) fewer chromosomes than are found in the cells of the parent B) the haploid number of chromosomes C) more chromosomes than are found in the cells of the parent D) the diploid number of chromosomes
Cancer is a disease characterized by the a. uncontrolled cell division of abnormal cells b. limited production of normal fertilized eggs c. unlimited production of abnormal gametes d. reduced cell division of quiescent cells
Cancer is a disease characterized by the a. uncontrolled cell division of abnormal cells b. limited production of normal fertilized eggs c. unlimited production of abnormal gametes d. reduced cell division of quiescent cells
Which of the following statements is false? A) a typical body cell is called a somatic cell B) gametes are haploid cells C) somatic cells are diploid D) somatic cells are made by meiosis
Which of the following statements is false? A) a typical body cell is called a somatic cell B) gametes are haploid cells C) somatic cells are diploid D) somatic cells are made by meiosis
Which process must occur before the mitotic phase of the cell cycle begins? A. reformation of the nuclear envelope B. replication of the chromosomes C. cytoplasmic division D. Separation of the sister chromatids
Which process must occur before the mitotic phase of the cell cycle begins? A. reformation of the nuclear envelope B. replication of the chromosomes C. cytoplasmic division D. Separation of the sister chromatids
Which of the following indicates the types of cells that are produced in humans by meiosis and mitosis? a) body cells (somatic cells ) are produced in both mitosis and meiosis b) body cells are produced in meiosis; gametes in mitosis c) gametes are produced in both meiosis and mitosis d) body cells are produced in mitosis; gametes in meiosis
Which of the following indicates the types of cells that are produced in humans by meiosis and mitosis? a) body cells (somatic cells ) are produced in both mitosis and meiosis b) body cells are produced in meiosis; gametes in mitosis c) gametes are produced in both meiosis and mitosis d) body cells are produced in mitosis; gametes in meiosis
Prior to cell division, each chromosome replicates or duplicates its genetic material. The products are connected by a centromere and are called: A. sister chromosomes sister chromosomes B. homologous chromosomes homologous chromosomes C. sex chromosomes sex chromosomes D. sister chromatids sister chromatids
Prior to cell division, each chromosome replicates or duplicates its genetic material. The products are connected by a centromere and are called: A. B. C. D. sister chromatids sister chromatids
What is the correct relationship among DNA, genes and chromosomes? A) A gene contains many chromosomes which are composed of proteins B) A chromosome contains many genes which are composed of DNA C) A gene is composed of proteins which are found on the chromosomes D) A chromosome contains many genes which are composed of proteins
What is the correct relationship among DNA, genes and chromosomes? A) A gene contains many chromosomes which are composed of proteins B) A chromosome contains many genes which are composed of DNA C) A gene is composed of proteins which are found on the chromosomes D) A chromosome contains many genes which are composed of proteins
Place these stages of the cell cycle in the correct order.
C, B, D, A
Provide the appropriate NAME for each of these phases of mitosis.
A. Telophase leading into cytokinesis B. Metaphase C. Prophase D. Anaphase
During which phase of the cell cycle are the sister chromatids fully attached to mitotic spindle and aligned across the center of the cell at the equator. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle are the sister chromatids fully attached to mitotic spindle and aligned across the center of the cell at the equator. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle does the cytoplasm divide to produce two separate daughter cells. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle does the cytoplasm divide to produce two separate daughter cells. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle is the DNA replicated to produce sister chromatids attached at a centromere. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle is the DNA replicated to produce sister chromatids attached at a centromere. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle are the sister chromatids pulled apart and moved toward opposite sides of the cell by the mitotic spindle. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which phase of the cell cycle are the sister chromatids pulled apart and moved toward opposite sides of the cell by the mitotic spindle. A. Prophase B. Anaphase C. Interphase D. Cytokinesis E. Metaphase
During which cell cycle checkpoint are the cells checked for complete and accurate DNA replication. A. G 1 to S checkpoint B. G 2 to M checkpoint C. Metaphase to anaphase checkpoint D. A and B.
During which cell cycle checkpoint are the cells checked for complete and accurate DNA replication. A. G 1 to S checkpoint B. G 2 to M checkpoint C. Metaphase to anaphase checkpoint D. A and B.
During which cell cycle checkpoint are the cells checked for complete attachment of all sister chromatids to the mitotic spindle via their kinetochores. A. G 1 to S checkpoint B. G 2 to M checkpoint C. Metaphase to anaphase checkpoint D. A and B.
During which cell cycle checkpoint are the cells checked for complete attachment of all sister chromatids to the mitotic spindle via their kinetochores. A. G 1 to S checkpoint B. G 2 to M checkpoint C. Metaphase to anaphase checkpoint D. A and B.
During which cell cycle checkpoint are the cells checked for alignment of the sister chromatids across the equator on a line equidistant from the two poles. A. G 1 to S checkpoint B. G 2 to M checkpoint C. Metaphase to anaphase checkpoint D. A and B.
During which cell cycle checkpoint are the cells checked for alignment of the sister chromatids across the equator on a line equidistant from the two poles. A. G 1 to S checkpoint B. G 2 to M checkpoint C. Metaphase to anaphase checkpoint D. A and B.
Which of the following statements is TRUE. A. Cancer cells exhibit density-dependent inhibition and therefore will only grow one cell layer deep in culture. B. All normal cells have a characteristic rounded shape, while cancer cells tend to be more stretched out and irregular in their shape. C. The majority of cancer cells are in a G 0 phase of quiescence. D. Normal cells spend approximately 80-90% of their time in the interphase portion of the cell cycle.
Which of the following statements is TRUE. A. Cancer cells exhibit density-dependent inhibition and therefore will only grow one cell layer deep in culture. B. All normal cells have a characteristic rounded shape, while cancer cells tend to be more stretched out and irregular in their shape. C. The majority of cancer cells are in a G 0 phase of quiescence. D. Normal cells spend approximately 80-90% of their time in the interphase portion of the cell cycle.
Which of the following statements is TRUE. A. Normal cells are usually aneuploid and cancer cells are usually diploid. B. Normal cells will frequently grow several cell layers deep, since they do not exhibit density-dependent inhibition. C. Normal cells have a defined and distinct shape that reflects their normal cellular function, whereas cancer cells are frequently smaller and rounded in appearance. D. Cancer cells are more dependent on growth factors and other external signals than normal cells are.
Which of the following statements is TRUE. A. Normal cells are usually aneuploid and cancer cells are usually diploid. B. Normal cells will frequently grow several cell layers deep, since they do not exhibit density-dependent inhibition. C. Normal cells have a defined and distinct shape that reflects their normal cellular function, whereas cancer cells are frequently smaller and rounded in appearance. D. Cancer cells are more dependent on growth factors and other external signals than normal cells are.
Any change in the nucleotide sequence of DNA is called A) an advantage B) codon. C) a mutation. D) an anticodon
Any change in the nucleotide sequence of DNA is called A) an advantage B) codon. C) a mutation. D) an anticodon
A physical or chemical agent that changes the nucleotide sequence of DNA is called a) an anticodon b) a terminator c) a transposon d) a mutagen.
A physical or chemical agent that changes the nucleotide sequence of DNA is called a) an anticodon b) a terminator c) a transposon d) a mutagen.
Which of the following is not an effect of a mutation? A) prevents a protein from forming B) lowers the amount of a protein C) adds a function to a protein D) any of the above can occur
Which of the following is not an effect of a mutation? A) prevents a protein from forming B) lowers the amount of a protein C) adds a function to a protein D) any of the above can occur
A spontaneous mutation usually originates as an error in A) DNA replication. B) DNA transcription C) translation. D) reverse transcription.
A spontaneous mutation usually originates as an error in A) DNA replication. B) DNA transcription C) translation. D) reverse transcription.
True or False? A mutation always causes a mutant phenotype. A) true B) false C) cannot be determined
True or False? A mutation always causes a mutant phenotype. A) true B) false C) cannot be determined
Which of the following are known to be carcinogenic (cancer causing) mutagens. A) UV radiation from the sun B) X-rays C) Certain chemical compounds D) All of the above
Which of the following are known to be carcinogenic (cancer causing) mutagens. A) UV radiation from the sun B) X-rays C) Certain chemical compounds D) All of the above
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase
1. Have a nucleus 2. Have ribosomes 3. Reproduce by sexual reproduction 4. Move using a flagellum
1. Surface area to volume ratio decreases by one half 2. Surface area to volume ratio doubles 3. Surface area to volume ratio is unaffected 4. There is not enough information to answer this question
1. A, B, C, D 2. B, D, A, C 3. D, C, A, B 4. C, B, A, D
1. DNA is replicated 2. Cytokinesis occurs 3. Cells grow in size 4. A cell’s nucleus divides
1. G 1 2. S 3. G 2 4. Mitosis
1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase 6. Cytokinesis