Which region of DNA is the site of spindle fiber attachment during mitosis and meiosis? A. the telomere B. the operator C. the terminator D. the promoter E. the centromere

Q: The purpose of the vinegar was to: Select one or more: a. break down the egg white and expose the…

A: We know that acids reach with base to form salts . Egg in vinegar is a example of this reaction

Q: You add a chemical to a cell that prevents all of the chromatin from uncoiling so that the…

A: Transcription is the process of formation of messenger RNA using DNA as a template and DNA dependent…

Q: Which of the following favors the alignment of chromosomes along the equatorial plate? a.)Centromere…

A: A cell can divide either by mitosis or meiosis. Mitotic cell division refers to the process by which…

Q: The model represents molecules found within the nucleus of a cell. Which statement best describes…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: a. Give the name of the process illustrated in the figure. b. If this is part of the elongation…

A: The given image depicts the process of translation. The translation is the process in which the…

Q: Modify the diagram above to illustrate specific protein(s) that would participate in regulating this…

A: RB retinoblastoma gene is a tumor suppressor gene.

Q: How important are the control points in the cell cycle for the growth and development of an…

A: The daughter cell produced be exact duplicate of the parent cell. Mistakes in the distribution of…

Q: What is the role of cohesin proteins in cell division? a. They organize the DNA of the chromosomes…

A: The cell is the basic structural and functional unit of life of all living organisms capable of…

Q: Could a gene be involved in the growth of both stem cells and some kinds of cancer? Explain your…

A: in stem cells we have an important class of genes called proto-oncogenes [PO] with are necessary for…

Q: Describe what can happen to chromosomes in cancer cells.

A: The first abnormal chromosomal identified in a cancer cell was the Philadelphia chromosome. This…

Q: Why is it important for chromosomes to be copied before cell divisions

A: Chromosomes are long thread-like structures that are located in the nucleus and carry coded genetic…

Q: A B Which picture is a picture of mitotic cell division in animal cells? O A. Picture A O B. Picture…

A: Mitosis is a process of cell division which divides the cell into two daughter cells. Mitosis occurs…

Q: Which process could occur in maple trees to describe b the chromosome number in pollen cells from 52…

A: The meiotic division in maple plant will reduce the chromosome number in pollen cells from 52 to 26.…

Q: How do Cyclins work? a. They are kinases that phosphorylate key proteins at different points in the…

A: Cell cycle progression is dependent on the activity of cyclin-CDK complexes. Cyclins are the…

Q: The kinetochore is a structure that functions toa. connect the centromere to microtubules.b. connect…

A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA(…

Q: What is a nucleosome? a. A region in the cell’s nucleus that contains euchromatin b. A region of…

A: DNA(deoxyribonucleic acid) is a molecule comprised of two polypeptide chains that coil around each…

Q: What do the two socks of a pair represent in the cell cycle in the blind men’s riddle?

A: Cells are the basic structural and functional unit of the organism. Cell division is the process in…

Q: The regions of chromosomes that form heterochromatin a. contain highly expressed genes.b. contain…

A: Heterochromatin is the region of the chromosome which is inactivated by various mechanism in order…

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: How important are the control points in the cell cycle for the growth and development of an…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. The genes are composed of DNA…

Q: In tobacco, if the diploid number of chromosomes is 48, how many chromosomes will be found in a…

A: As given in the question, a tobacco plant exhibits a diploid set of chromosomes and the number of…

Q: The nucleus of udder cell which was used to develop Dolly was taken from_______.a) Six year old Finn…

A: Dolly was the first cloned animal that was created by injecting the nucleus from the sheep udder…

Q: guide DNA B. "staple" that holds DNA copies together C. DNA that is same length and has same…

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: What would you expect to happen in a cell that had mutations in Mad/Bub proteins that prevented…

A:

Q: Contrast euchromatin and heterochromatin. Then explain how DNA can transition from one to the other.…

A: Chromatin is defined as the complex of DNA and protein in eukaryotic cells. The primary function of…

Q: In eukaryotic cells, which occurs during the prophase of mitosis?   A. appearance of the nuclear…

A: Mitosis is a phase of cell cycle in which replicated chromosomes are divided into two new…

Q: What difference exists between the compaction of chromosomes during metaphase and interphase? Give…

A: Chromosome compaction is an event that occurs in both mitosis and meiosis. It is the shortening of…

Q: What happens to microtubules in the presence of very high levels of GTP?   A. They will undergo…

A: In eukaryotic cells three types of cytoskelton proteins are found that are- microfilament,…

Q: What result demonstrated that the spindles shorten at the chromosome end during anaphase? Group of…

A: At metaphase, chromosomes align at the metaphase equator plate and during anaphase, sister…

Q: Which histone helps stabilize the solenoid structure of eukaryotic chromatin? Н4 H3 H2B H2A

A: Nucleosomes resemble a spherical ball wrapped in rope and are abundant in number. It consists of the…

Q: Hox genes encode transcription factors that a. control segmentation. b. promote determination. c.…

A: Arthropods are the invertebrate animals characterized by a distinct segmented body and paired…

Q: A В C 3. Identify: a. specific type of leucoplast abundant in cells labeled as A? b. C? c. D?…

A: Q3. This is a Smilax root cross-section. (a). Amyloplasts (b). C--- Phloem  (c). D--- Xylem  (d).…

Q: Which of the following is the main reason why DNA must exist in chromosome form?

A: Answer is c. )To avoid the genetic material to be tangled away during the cell division.

Q: Spindle microtubules are made from a protein known as??

A: The microtubules represent one of the cytoskeleton's major components, which have hollow tube-like…

Q: а. Researchers have found that the gene that codes for APP is on which chromosome? b. Does everyone…

A: Answer: APP GENE = This gene provides instructions for making protein called amyloid precursor…

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 these are cellular activities that sustain a single-celled organism through its lifetime?…

A: Single-celled organisms are those whose body consists of a single cell. They can be grouped into…

Q: Match the labeled structures to their proper term. vStructure A A. sister chromatids v Structure B…

A: During replication, two sister chromatids are formed. Sister chromatids get separated during cell…

Q: When does chromosomal nuclear DNA, which is found inside the nucleus of a eukaryotic cell,…

A: The cell division involves production of new daughter cells from the mother cell. Different…

Q: Which describes a role for the kinetochore microtubules during mitosis?     Polymerization drives…

A: Given: A role for the kinetochore microtubules during mitosis.

Q: Would it be advantageous to a eukaryotic cell to have histone synthesis take place at a faster rate…

A: Deoxyribonucleic acid (DNA) is a genetic material and it carries genetic information from one cell…

Q: Not graded, What answer choice?

A: The genetic makeup of all cells is the same and contains same base pair sequences. The difference…

Q: Amount of DNA per nucleus over the cell division cycle.     At which point in the accompanying…

A: When a cell splits into 2 or more new cells, this process is called cell division. The division of…

Q: There are anticancer that are used to prevent the formation of spindle fibers. Why do you think this…

A: Hello! Since you have asked multiple questions, we will solve the first question for you. If you…

Q: What is the purpose of gene regulation? A. producing products that are needed in the cell at that…

A: Introduction  A gene is a basic unit of heredity that encodes the production of a gene product, such…

Q: Which processes regulates yeast budding? O A. DNA replication O B. inhibition of spindle formation

A: Budding is an asexual form of reproduction where an outgrowth formed by cell division in any part of…

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase. 

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons: