Paramecium is a single-cell eukaryotic organism that can reproduce by mitotic cell division. Prior to the M phase of the cell cycle, which of the following must oCcur? A. The cell must replicate its chromosomes. B. The nucleus must divide. C. The cell must first be fertilized. D. Sister chromatids must be separated. A. The cell must replicate its chromosomes.

Q: Chromosomes are visible under microscope during cell division because a. Thickening of chromatins b.…

A: Correct option is a.Thickening of chromatins    The nucleoli vanish, and the chromatin fibres…

Q: Which of the following statements are true? a. after contromeres divide, chromatids are known as…

A: All the statements are true, therefore the correct option is d.Centromere is the region of a…

Q: Instructions Match the letters that describe the process with the numbers in the Venn Diagram. Each…

A: Here are the matches

Q: A. In which phase of cell cycle would cells contain radioactive DNA? Would cells at all phases of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: These items separate from each other during Anaphase of Mitosis.  a. Sister chromatids b.…

A: Correct answer: a) sister chromatids

Q: Which of the following occurs during metaphase I?   A. Homologous chromosomes pack tightly, pair up,…

A: The cell is the basic structural and functional unit of life. It carries out various functions in…

Q: At metaphase I the kinetochores of sister chromatids are a. attached to microtubules from the same…

A: In eukaryotes, cell division is of two types:- meiosis and mitosis. Meiosis is responsible for the…

Q: During the cell cycle, DNA replication occurs during thea. G1 phase. b. G2 phase. c. M phase. d. S…

A: There are two types of cell division namely mitosis and meiosis. Mitosis is the type of cell…

Q: A dikaryotic cell develops into a zygote whena. mitosis divides the two nuclei into separate cells,…

A: Dikaryotic cells are those cells which contains two haploid nuclei, one from each parent. These two…

Q: Process of cell division can take place by: A. heterosis B. fusion C. mitosis D. None…

A: Cell division is an important biological process in which a single parent cell will undergo division…

Q: In which phase of the cell cycle are chromosomes replicated?a. G1 phaseb. S phasec. M phased. G2…

A: Cell cycle is the process by which cell grows, duplicates it genetic material and finally divides…

Q: You obscrved that the cell undergoes both growth and DNA replication. In what phase in cell cycle do…

A: 1st answer is A

Q: 1. Describe binary fission. 2. What is mitosis? 3. Identify the phases of the eukaryotic cell cycle.…

A: The cell cycle is a series of highly regulated, series of events that take place in a eukaryotic…

Q: Which statement about eukaryotic chromosomes entering mitosis is NOT true?a. They enter as two…

A: During interphase, the genetic material is not condensed and thus is not visible as chromosomes.…

Q: The type of cell division that is responsible for cell division in amoebas, or other single-celled…

A: Reproduction is the biological process of self perpetuation ration which new organisms are produced…

Q: Two cells from an animal’s heart are removed and studied. One cell has twice the amount of DNA as…

A: The s phase or the synthesis phase of the ell cycle is the part of the interphase where important…

Q: One of the following is not a function of ordinary cell division produces two daughter cells that…

A: Introduction: New cells are made when the cells divide. The biological process involving the…

Q: Identify if the description below happens in meiosis, mitosis, or both

A: Mitosis is an equational division in which a parent cell (2n) is  divided into two daughters cells…

Q: Part of cell division is that chromosomes are moved the center of the cell and then back to the…

A: Part of cell division is that chromosomes are moved the center of the cell and then back to the…

Q: The role of cohesin is toa. make chromosomes more compact.b. allow for the replication of…

A: Condensin and cohesin are two most important multiprotein complexes that help the chromosomes to…

Q: Organelle heredity can be attributed to: a. mitochondria and chloroplasts have DNA that is subject…

A: As per the Mendelian inheritance, both male and female gametes determine the genotype of offspring.…

Q: Which of the following is the correct order of phases of the eukaryotic cell cycle?a. G1, G2, S, Mb.…

A: A cell is the fundamental unit of life. All living organisms are made up of one or many cells. Each…

Q: During which part of the cell cycle does DNA replication occur and why is it important? Select one:…

A: A cell cycle consists of a series of events which is required for growth and division of cells. A…

Q: Which of the following would be expressed at varying levels during different parts of the cell…

A: Cyclins Cyclins are groups of protein that work together to regulate  different phases of the cell…

Q: You are studying a new fungus, G. lucasus, and are interested the molecules that control the cell…

A: The method known as flow cytometry allows for the quick analysis of individual cells or particles as…

Q: Which of the following is true of normal adult cells but NOT cancer cells? A. Cell death after a…

A: There are two types of cell divisions are found in our body, mitosis and meiosis. Mitosis is a…

Q: The function of mitosis is: A. growth of the organism and tissue repair.   B. to ensure that each…

A: Mitosis is the phase of the cell cycle where the nucleus of a cell is divided into two nuclei with…

Q: C. the cell immediately enters mitosis

A: The cell cycle is the series of events that occur in a cell leading to its division and duplication.…

Q: What is the purpose of mitosis?  a It ensures that new nuclei have an exact copy of DNA.  b It…

A: Cell cycle includes the series of events that produces two daughter cells.

Q: Which of the following is true? a. Prokaryotic cells are smaller in size but metabolically more…

A: According to the cell theory, the cell is the most fundamental unit of living organisms (including…

Q: In eukaryotic cells, it is the sequence of events by which a growing cell duplicates all its…

A: These are the cells formed by the division or budding of another.

Q: Cell cycle checkpoints are found in the following phases EXCEPT: a. G1 phase b. S-phase c. G2 phase…

A: ANSWER) Cell checkpoints are described as the major states of cells during the cell cycle, where the…