Description : List two specific cancer treatments, and tell how each treatment works.
Last Answer : Chemotherapy: Medication usually formulated chemically, and radiation where radiation is directed in certain doses via electromagnetic waves
Description : What are growth factors?
Last Answer : •Some external signals are growth factors, proteins released by certain cells that stimulate other cells to divide
Description : What happens if all the chromosome kinetochores are not attached to spindle fibers? When this occurs, which checkpoint is not passed?
Last Answer : •If the cell does not receive the go-ahead signal, it will exit the cycle, not proceeding onto the S phase
Description : What does MPF trigger? What are some specific activities that it triggers?
Last Answer : •MPF (maturation-promoting factor) is a cyclin-Cdk complex that triggers a cell’s passage past the G2 checkpoint into the M phase
Description : The activity of cyclin-dependent kinases (CDks) rises and falls. Why?
Last Answer : •The activity of cyclins and Cdks fluctuates during the cell cycle, molecularly, it either receives a message to go ahead or not to go ahead.
Description : What is a protein kinase?
Last Answer : The Cell Cycle Clock: Cyclins and Cyclin-Dependent Kinases •Two types of regulatory proteins are involved in cell cycle control: cyclins and cyclin-dependent kinases (Cdks)
Description : What is the Go phase? Describe this phase.
Last Answer : •If the cell does not receive the go-ahead signal, it will exit the cycle, switching into a nondividing state called the G0 phase
Description : What is a cell cycle checkpoint?
Last Answer : The sequential events of the cell cycle are directed by a distinct cell cycle control system, which is similar to a clock The cell cycle control system is regulated by both internal and ... The clock has specific checkpoints where the cell cycle stops until a go-ahead signal is received
Description : What are the components of the mitotic spindle?
Last Answer : •The mitotic spindle is an apparatus of microtubules that controls chromosome movement during mitosis •During prophase, assembly of spindle microtubules begins in the centrosome, the microtubule organizing center
Description : What is a kinetochore?
Last Answer : •During prometaphase spindle microtubules appear and are kinetochores (somewhat track like) where sister chromatids travel along them to the centriole (astor, opposite pole) region. .
Description : In animal cells, the assembly of spindle microtubules starts at the centrosome. What is another name for the centrosome?
Last Answer : •During prophase, assembly of spindle microtubules begins in the centrosome, the microtubule organizing center
Description : What are the components of the mitotic spindle? What is the source of these components?
Last Answer : •The mitotic spindle is an apparatus of microtubules that controls chromosome movement during mitosis
Description : What occurs in meiosis? How is the chromosome number of daughter cells different?
Last Answer : •Gametes are produced by a variation of cell division called meiosis •Meiosis yields nonidentical daughter cells that have only one set of chromosomes, half as many as the parent cell
Description : Think carefully, now. How many DNA molecules are in each of your somatic cells?
Last Answer : •In preparation for cell division, DNA is replicated and the chromosomes condense •Each duplicated chromosome has two sister chromatids, which separate during cell division, but a single DNA MOLECULE
Description : Define chromatin.
Last Answer : •Eukaryotic chromosomes consist of chromatin, a complex of DNA and protein that condenses during cell division
Description : How many chromosomes in a human gamete?
Last Answer : 23
Description : Name the two types of gametes.
Last Answer : •Sperm and eggs
Description : What is a gamete?
Last Answer : •Gametes (reproductive cells: sperm and eggs) have half as many chromosomes as somatic cells
Description : Name two types of somatic cells in your body.
Last Answer : Brain and liver
Description : How many chromosomes are in a human somatic cell?
Last Answer : •Somatic cells (nonreproductive cells) have two sets of chromosomes
Description : What is the meaning of genome?
Last Answer : •All the DNA in a cell constitutes the cell’s genome Compare your genome to that of a prokaryotic cell. •A genome can consist of a single DNA molecule (common in prokaryotic cells) or a number of DNA molecules (common in eukaryotic cells)
Description : What is meant by the cell cycle?
Last Answer : •The continuity of life is based on the reproduction of cells, or cell division
Description : What is the difference between mitosis and meiosis?
Last Answer : Answer: Mitosis and meiosis are two types of cell division. Mitosis is the process by which a single cell divides into two identical daughter cells, each with the same number of chromosomes as ... cell division that is involved in the production of gametes (sperm and eggs) for sexual reproduction.
Last Answer : Mitosis and meiosis are two distinct processes involved in cell division, but they have different purposes and outcomes. Here's a summary of the main differences between mitosis and meiosis: 1 ... These processes play crucial roles in maintaining the stability and diversity of life forms on Earth.
Description : What is mitosis?
Last Answer : Mitosis is the process of cell division in which a single cell divides into two identical daughter cells, each with the same number of chromosomes as the parent cell.
Last Answer : A: Mitosis is the process of cell division that results in two genetically identical daughter cells, while meiosis is the process of cell division that results in four genetically diverse daughter cells.
Last Answer : A: Mitosis is a type of cell division that results in the formation of two identical daughter cells, while meiosis is a type of cell division that results in the formation of four genetically diverse daughter cells.
Last Answer : A: Mitosis is a type of cell division that results in the production of two identical daughter cells, while meiosis is a type of cell division that results in the production of four genetically diverse daughter cells, each with half the number of chromosomes as the parent cell.
Last Answer : A: Mitosis is the process by which a cell divides into two identical daughter cells, while meiosis is the process by which a cell divides into four non-identical daughter cells, each with half the number of chromosomes as the parent cell.
Description : What is the difference between meiosis and mitosis?
Last Answer : A: Meiosis is a type of cell division that produces haploid cells, such as sperm and eggs, while mitosis is a type of cell division that produces diploid cells, such as skin cells and muscle cells.
Last Answer : A: Mitosis is a type of cell division that produces two daughter cells that are genetically identical to the parent cell, while meiosis is a type of cell division that produces four daughter cells that are genetically unique due to the process of genetic recombination.
Last Answer : A: Mitosis is the process of cell division that produces two identical daughter cells with the same number of chromosomes as the parent cell, while meiosis is the process of cell division that ... with half the number of chromosomes as the parent cell, and is involved in sexual reproduction.
Last Answer : A: Mitosis is a process of cell division that results in two identical daughter cells, while meiosis is a process of cell division that results in four genetically diverse daughter cells, each with half the number of chromosomes as the parent cell.
Last Answer : A: Mitosis is a type of cell division that results in two genetically identical daughter cells, while meiosis is a type of cell division that results in four genetically diverse daughter cells.
Last Answer : A: Mitosis is the process of cell division that produces two genetically identical daughter cells, while meiosis is the process of cell division that produces four genetically diverse daughter cells, each with half the number of chromosomes as the parent cell.
Last Answer : A: Mitosis is the process by which a cell divides to produce two genetically identical daughter cells, while meiosis is the process by which a cell divides to produce four genetically diverse daughter cells.
Last Answer : A: Mitosis is the process by which a single cell divides into two identical daughter cells, while meiosis is the process by which cells divide to produce gametes.
Description : Difference between mitosis after fertilization and mitosis for growth?
Last Answer : Need Answer
Description : Question about Mitosis?
Last Answer : No, DNA is always organized in chromosomes (except in prokaryotes). During mitosis, however, the chromosomes condense considerably, which makes them more visible under the microscope.
Description : What are the differences between mitosis and meiosis? -Biology
Last Answer : answer:
Description : Why mitosis is called equational division? -Biology
Description : What is the significance of mitosis? -Biology
Description : What happens during anaphase of mitosis? -Biology
Description : What are the stages of mitosis? -Biology
Description : What structure is involved in moving chromosomes during mitosis? -Biology
Description : What is the longest phase of mitosis? -Biology
Description : What is the shortest phase of mitosis? -Biology
Description : Can anyone tell m were the actual chromosome multiplication takes place during mitosis... The ncert book mentions only dna -Biology
Description : Why is the root apical meristem chosen for studying mitosis? -Biology
Description : Where are microtubule motors in mitosis? -Biology