Q: A. Catabolic pathway 12. During cell division, pairs of homologous chromosomes separate at . A…
A: The question is asking about the separation of pairs of homologous chromosomes. Homologous…
Q: 1. The point of cleavage of the cohesin complex differes in vertebrates and invertebrates. In…
A: Cell cycle is a process which results in the division of a parent cell into daughter cells. It is…
Q: How would you design an experiment to test the hypothesis: Alpha tubulin is expressed at higher…
A: Alpha tubulin is a major component of cytoskeleton in eukaryotes. During cell division, this protein…
Q: At what point in the cell cycle does the amount of DNA double in a cell?
A:
Q: 1. Briefly and clearly distinguish totipotent, pluripotent and multipotent stem cells from each…
A: Totipotent, pluripotent and multipotent are distinguishing categories of cells based on their…
Q: 2. Characterize the differences between tumor cells andnormal cells in terms of the following…
A: A cell is the basic unit that controls functions and form structure of a living organism. All the…
Q: How does cell cycle related to both spermatogenesis and oogenesis?
A: Introduction: Cell division is a significant process taking place in all living organisms. During…
Q: . A defective white blood cell does not complete the process of DNA replication. Which of the…
A: In order for the replication of DNA to occur there is a definite sequence of cell cycle that has to…
Q: . What mitotically important events occur in the cell during interphase?
A:
Q: 4. Which of the following is NOT implicated in the apoptotic cascade? O BID O Cytochrome C O…
A: Apoptosis It is a closely regulated mode of cell death that is essential for multicellular organism…
Q: 1 Given the events of the cell cycle shown above, where would you predict there might be checkpoints…
A: Cell division is the process through which two daughter/new cells are produced from a parent cell.…
Q: 17. The formation of a cell membrane is beginning across the middle of a cell and nuclei are…
A: 1)The answer is option B - a plant cell undergoing cytokinesis. cytokinesis is the physical process…
Q: . Explain what the cell is doing in each of the following stages of the cell cycle.a) G1, b) S, c)…
A: Cell is the basic structural, functional, and biological unit of all known organisms. The cell…
Q: 19. If cells in the process of dividing are subjected to colchicine, a drug that interferes with the…
A: Colchicine is a cell division inhibitor extracted from Colchicum atumnale. It goes and bind to…
Q: A cell in G1 of interphase has 12 chromosomes (2 n = 12). How many chromosomes and DNA molecules…
A: The cell cycle is orderly events that occur in the cell when the cell in preparation for cell…
Q: 23. what stage of mitosis in which chromosomes begin to undergo a condensation process that will…
A: Chromosomes start condensing in the first phase i.e. Prophase. Chromosomes (sister chromatids)…
Q: 3.Mention what are the important functions of apoptosis? discuss briefly at your own words?.
A: Apoptosis refers to the natural process of programmed cell death. It is a normal phenomenon which…
Q: centrosome
A: The spindle apparatus is seen in this cellular region called the Centrosome. The answer is C
Q: 1. What is cell cycle checkpoints? 2. What is the difference between Cell Growth Checkpoint, DNA…
A: A cell cycle is a set of events that occur in a cell as it divides and grows. A cell spends the…
Q: 28. When studying living cells in a laboratory, researchers sometimes use drugs as a way to make…
A: Ans 28: - Whenever cell cycle is stopped, the cell becomes dormant and returns to the resting stage…
Q: 19. Find and draw/paste a diagram of artificial embryo splitting by micromanipulation (not natural…
A: Embryo splitting is the process by which artificially twins are formed by using a microsurgical…
Q: 11. One difference between cancer cells and normal cells is that cancer cells A) are unable to…
A: There are two types of cell division: meiosis and mitosis. Mitosis is the equational cell division,…
Q: 1. Discuss the difference between somatic cells and germ cells.
A: People are complex living things made up of billions of cells, each with its own unique structure…
Q: 1. Explain why human cells would always prefer to use aerobic respiration to anaerobic…
A: As per our honour code, we are authorized to answer one question at a time, since you have not…
Q: Describe the 3 sub-stages of interphase and what is happening in G1, S and G2
A: The sequential repetition of dividing and non-dividing phase in an orderly manner is called cell…
Q: 1. During development from stem to fully differentiated, cells in the body alternately divide…
A: Cell division is the process by which a parent divides into two or more daughter cells. cell…
Q: 1. What effects do these losses have on their function and life span? For example, o Without…
A: The most important part of the cell is the nucleus, for this is where all the instructions for the…
Q: 1. Explain in full the mechanism of apoptosis in cells with severe DNA damage that cannot be…
A:
Q: 12. The spindle checkpoint ensures that all chromosomes are attached to the mitotic spindle. If this…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: 12. Which stage of mitosis is best represented by the cell to the right? A. Telophase B. Metaphase…
A: Q12)the correct option is B Metaphase The chromosomes align on the metaphase plate in the centre of…
Q: 1)Describe what takes place in the three phase of interphase. 2) what are cell cycle checkpoints?…
A: The cell cycle has three stages that must happen ere mitosis, or cell division occurs. These three…
Q: 8) There is a photo below, where you can see dividing cells near the tip of an onion root under the…
A: Stage in cell division where spindle lines up the chromosomes at the middle of the cell. METAPHASE…
Q: 12. The figure shows a micrograph of colchicine treated onion root tip cells prepared using squash…
A: Introduction : Mitosis is the process by which a cell copies its chromosomes and then segregates…
Q: What are ensured by G, and G, as well as metaphase checkpoints?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 1. Describe the steps/proteins of the pathway that starts with a growth factor binding to a receptor…
A: Cancer: It is an uncontrolled differentiation, proliferation and division of a normal cells. All…
Q: 5. If dividing cells are grown in a culture medium containing radioactive thymidine, the thymidine…
A: In case of eukaryotic organism, cell containing nucleus, the cell cycle is categorized into two two…
Q: III. To make sure the cell division goes smoothly (produces healthy daughter cells with complete…
A: Cell cycle is a series of events that take place when the cell divides. It is divided into following…
Q: 1. What are oncogenes and tumor-suppressor genes? How are they involved in carcinogenesis? What is…
A: To explain: To explain about oncogenes and tumor-suppressor genes, carcinogenesis, and the relation…
Q: 2. For each of the following conditions, determine which checkpoint (or checkpoints) require that…
A: Checkpoint ensures the integrity of cell division. It is studied under the domain of cell biology.
Q: 3.What is the significance of checkpoints in the cell cycle?
A: As we know all cells are originated from pre-existing cells. So, to form new cell , cell division is…
Q: 2. A researcher is studying the effects of a novel cancer drug on cell division and comparing the…
A: Cancer is an uncontrolled division of cell that has a defunct apoptosis mechanism. Usually, when…
Q: 37- Which statement is not true for cell division process? a) DNA replication is done in S phase b)…
A: Cell division process. In a cell cycle there are : Two gap phases (G1 and G2) One Synthetic phase…
Q: 4.Consider a cell in metaphase compared to a cell in rest (not in the cell cycle leading to cell…
A: Metaphase refers to the second stage of mitosis in the cell cycle of eukaryotes. It accounts for…
Q: 5- This stage shown in what stage of cell division (please be very specific)? Cell division....…
A: Cell division is a process in which a parent cell is divided into two or more daughter cells. There…
Q: 2 A researcher is studying the effects of a novel cancer drug on cell division and comparing the new…
A: Cancer is a metabolic and genetic disorder characterized by uncontrolled cell division and tissue…
Q: 3. In a well written paragraph, please explain the relationship between mutation, the cell cycle,…
A: Answer Cancer can be termed as a phenomenon of unregulated and uncontrolable cell growth. The…
Q: The first human cells to be successfully cultured were derived from a malignant tumor. Do you think…
A: Human body contain numerous cells . Each cell perform their own task . It contain nucleus . Nucleus…
Q: 1. Describe the cell cycle. Why do cells divide? Why are the resulting daughter cells from Mitosis…
A: The cell is the structural and functional unit of the body. The cells generally divide to form new…
Q: 2. Briefly describe two main advantages for cancer cells associated with shedding apoptosis. Your…
A: Apoptosis It is defined as the form of programmed cell death. The process is important for getting…
Step by step
Solved in 2 steps
- 1. A defective white blood cell does not complete the process of DNA replication. Which of the following is most likely to occur during the cell cycle for this cell? a. The white blood cell will be stopped at the G1 checkpoint and sent to the G0. b. The G2 checkpoint will stop the cell from continuing in the cell cycle. c. The white blood cell will get stuck at the spindle checkpoint. d.The cell will continue on to cytokinesis. 2. Which of the following statements describes how the RNA sequence specifies the production of an amino acid chain? a. Each set of three bases codes for an RNA molecule that specifies the anticodon. b. Each set of three bases codes for a single amino acid. c. Each base codes for one amino acid. d. Each group of three bases codes for an enzyme that binds amino acids together. 3. What will most likely happen when the -35 element and pribnow box are mutated? a. RNA Polymerase II will not be able to bind to the promoter region. b. Prokaryotic RNA…6) How would you design an experiment to test the hypothesis: Alpha tubulin is expressed at higher levels during cell division compared with during interphase? What specific tools would you use? How would you analyze the data? How would you present the data?1. What is apoptosis? What is its purpose? 2. What are cell cycle regulators? 3. What happens if cell cycle regulators don’t function properly?
- 1.Why is mitosis also referred to as the equational division? 2. Where does the spindle fibre originate from?1. Explain why human cells would always prefer to use aerobic respiration to anaerobic respiration.b. What waste products are produced during anaerobic respiration? 2. Explain what the cell is doing in each of the following stages of the cell cycle.a) G1, b) S, c) G2, d) M Explain how checkpoints are used to prevent the formation of cancer cells? Describe the events of the following phases of mitosis: Prophase, Metaphaseiii, Anaphase, Telophase3.What is the significance of checkpoints in the cell cycle?
- 6. Which best-described checkpoint? A. A site in the cytoplasm where proteins are inspected for mutationsB. Either G1, S phase, G2, prophase, metaphase, anaphase, or telophase.C. Specific stages where further progress of the cell cycle can be haltedD. Any step where the cell cycle is blocked by a mutated proteinIf the M checkpoint is not cleared, what stage of mitosis will be blocked? prophase prometaphase metaphase anaphaseAt which of the cell-cycle checkpoints do external forces have the greatest influence? G1 checkpoint G2 checkpoint M checkpoint G0 checkpoint
- Compare the chromosome content of daughter cells following mitosis with that of the parent cell before its chromosomes were duplicated.What is the main prerequisite for clearance at the G2 checkpoint? cell has reached a sufficient size an adequate stockpile of nucleotides accurate and complete DNA replication proper attachment of mitotic spindle fibers to kinetochoresWhat is an oncogene? How might an oncogene affect the cell cycle?
