Is chromosome more condense than chromatin?
The main difference between Chromatin and chromosome is Chromatin is a complex carrying DNA and protein, and usually, it is found in condensed form, whereas Chromosomes are a complex consisting of DNA and packaged proteins but in a more condensed form than that of Chromatin.
Which phase do chromosomes first become visible?
The spindle starts to form up, the nuclear membrane starts to break down, and the DNA starts to coil up into visible chromosomes. The simple answer to your question is this. Chromosomes become visible during prophase. A more accurate answer says that the chromosomes are visible during late prophase, which is sometimes called prometaphase.
What does it mean when the chromosomes condense?
What does it mean when chromosomes condense? Chromosome condensation is the dramatic reorganisation of the long thin chromatin strands into compact short chromosomes that occurs in mitosis and meiosis.
Are chromosomes condensed in G1 phase?
Chromosomes that are condensed during the G1 phase are usually long and have a single strand, while chromosomes condensed during the S phase appear crushed. Condensation during the G2 phase yields long chromosomes with two chromatids. Why do chromosomes condense during mitosis quizlet?
During which phase do the chromosomes start to condense quizlet?
In prophase stage of mitosis, the chromosomes start to condense and become visible as two chromatids, joined by a centromere.
Where do chromosomes begin condense?
Prophase is the first stage of mitosis, during which the cell begins to position itself in order to separate the chromatids and divide. During prophase, the nuclear envelope and nucleolus are dissolved and the chromosomes condense. The centrioles and spindle fibers begin to form at opposite poles of the cell.
Do chromosomes condense in prophase 2?
During prophase II, the chromosomes condense, and a new set of spindle fibers forms. The chromosomes begin moving toward the equator of the cell.
In which phase of mitosis does DNA condense into chromosomes?
prophaseDuring prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. Chromosomes are made of a single piece of DNA that is highly organized.
Why do chromosomes condense at the start of mitosis?
Chromosome Condensation This condensation is needed to allow the chromosomes to move along the mitotic spindle without becoming tangled or broken during their distribution to daughter cells. DNA in this highly condensed state can no longer be transcribed, so all RNA synthesis stops during mitosis.
Why do chromosomes condense before mitosis?
Condensation of chromatin into sturdy chromosomes is also necessary to establish proper physical properties. Chromosomes must be stiff, resilient, and elastic enough to withstand forces coming from pulling microtubules and cytoplasmic drags during mitosis to prevent damage and breaks caused by external tensions.
Why do the chromosomes condense during prophase?
Answer and Explanation: Chromosomes condense during prophase because it makes them easier to separate into the two daughter cells.
Why do chromosomes condense?
Chromosome condensation is mediated by the condensin complex, among other proteins, and is necessary to prevent chromosomes from being entangled during chromosome segregation.
How many phases are there in mitosis?from chegg.com
Expert Answer. Answer (e): Prophase Mitosis consists of four types of basic phases: prophase, metaphase, anaphase, and telophase. Sometimes it is also described as five phases, i.e. breaki view the full answer.
What happens during interphase C GI S and G2?from brainly.com
During interphase C GI S and G2 are diving under the microscope causing the exchange in the chromosomes.
Which phase is followed by the mitotic phase?from brainly.com
Those three phases G1, S, and G2 are followed by the mitotic phase.
In which phase of mitosis do chromosomes condense quizlet?
In prophase stage of mitosis, the chromosomes start to condense and become visible as two chromatids, joined by a centromere.
In which phase chromosome is condensed?
Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).
What part of mitosis do chromosomes condense?
The nucleus during mitosis. Micrographs illustrating the progressive stages of mitosis in a plant cell. During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.
During which phase do the chromosomes start to condense?
During prophase, the parent cell chromosomes — which were duplicated during S phase — condense and become thousands of times more compact than they were during interphase.
At which stage of mitosis are chromosomes become condensed quizlet?
Terms in this set (4) During prophase, the DNA becomes condensed into chromosomes so that the chromosomes can be moved and separated efficiently.
What is the first phase of mitosis where the chromosomes condense and become visible?
In the first stage, prophase, each chromosome becomes condensed and more visible, and there is the breakdown of the nuclear membrane and appearance of spindle fibers. In the next phase, metaphase, the chromosomes line up along the metaphasic plate.
In which stage of the cell cycle does the cell condense?
Prophase - Chromosomes condense, the nuclear membrane breaks down, and spindle fibers form. Metaphase - The replicated chromosomes line up in the middle of the cell.
In which phase of mitosis do chromosomes condense quizlet?
In prophase stage of mitosis, the chromosomes start to condense and become visible as two chromatids, joined by a centromere.
In which phase chromosome is condensed?
Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).
What part of mitosis do chromosomes condense?
The nucleus during mitosis. Micrographs illustrating the progressive stages of mitosis in a plant cell. During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.
Why does DNA condense into chromosomes during mitosis?
Why does the DNA condense into chromosomes during cell division? … By condensing DNA into chromosomes cells can align each chromosome (or during meiosis each tetrad) along the metaphase plate. The spindle fibers can then pull apart sister chromatids (in Mitosis) or homologous chromosomes (Meiosis I).
Which step of mitosis involves the condensing of chromatin DNA into chromosomes?
The first and longest phase of mitosis is prophase. During prophase chromatin condenses into chromosomes and the nuclear envelope (the membrane surrounding the nucleus) breaks down. In animal cells the centrioles near the nucleus begin to separate and move to opposite poles of the cell.
Does DNA condense in mitosis?
Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5). … Figure 2: A the appearance of DNA during interphase versus mitosis. During interphase the cell’s DNA is not condensed and is loosely distributed.
What stage of meiosis does DNA condense?
During prophase I the chromosomes condense and become visible inside the nucleus. Because each chromosome was duplicated during the S phase that occurred just before prophase I each now consists of two sister chromatids joined at the centromere.
Which process does DNA condense into chromosomes?
During prophase the nucleus disappears spindle fibers form and DNA condenses into chromosomes ( sister chromatids ).
In which phase of the cell cycle is DNA replicated?
In the eukaryotic cell cycle chromosome duplication occurs during “S phase” (the phase of DNA synthesis) and chromosome segregation occurs during “M phase” (the mitosis phase).
Which stage does each of the following occur chromatin condenses into chromosomes?
During prophase chromatin condenses to form discrete chromosomes. During metaphase microtubules attach to the kinetochores and chromatids begin segregating.
Which stage of the cell cycle is occupied by the majority of the cell?
Answer: Occupies the majority of the cell cycle, Includes (G1, S and G2 Stages), Results in an increase in cell size.
What is the result of mitosis and cytoplasmic division?
7. Mitosis and cytoplasmic division result in the formation of two genetically identical cells.