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What is a sat chromosome?
A sat chromosome, short for satellite chromosome, is a chromosome with a secondary constriction that contains highly repetitive DNA sequences called satellite DNA. These regions appear as small, secondary appendages on the chromosome and play a role in chromosome structure and organization.
How do DNA molecules appear in the chromosome?
DNA molecules appear in the chromosome as tightly coiled structures called chromatin. The DNA is wrapped around proteins called histones, forming nucleosomes. The nucleosomes are then packaged together into a more condensed structure known as chromatin, which ultimately makes up the chromosome.
What is the fourth stage in mitosis?
Anaphase happens. This is when the centromeres divide, separating each strand of chromosome into two, which are pulled to opposite ends of the cell by the spindle fibers and centrioles.
What stage does the cleavage appear in mitosis?
There are five stages of mitosis starting with prophase and ending with telophase. The cleavage furrow develops during cytokinesis which is after the telophase, so the cleavage furrow does not develop in mitosis at all.
During this phase of mitosis two centrioles appear to one side of the nucleus.?
prophase
What is a sat chromosome?
A sat chromosome, short for satellite chromosome, is a chromosome with a secondary constriction that contains highly repetitive DNA sequences called satellite DNA. These regions appear as small, secondary appendages on the chromosome and play a role in chromosome structure and organization.
How do DNA molecules appear in the chromosome?
DNA molecules appear in the chromosome as tightly coiled structures called chromatin. The DNA is wrapped around proteins called histones, forming nucleosomes. The nucleosomes are then packaged together into a more condensed structure known as chromatin, which ultimately makes up the chromosome.
During this phase of mitosis two centrioles appear to one side of the nucleus?
During this phase of mitosis, known as prophase, the centrioles move to opposite poles of the cell. As the centrioles migrate, they begin to form the mitotic spindle, the structure that will help separate the chromosomes during cell division.
When does the chromosome number double?
The chromosome number only doubles when two haploid gametes form to produce a diploid zygote. Example: In humans, sperm cells and eggs have 23 chromosomes, the haploid number. Once they fuse, the number doubles to 46 chromosomes. You may be confusing this with chromosome replication. In chromosome replication, the number of chromosomes does not double, but the number of strands double. (A single stranded chromosome turns into a double stranded chromosome.) However, it is still considered a single chromosome, but with identical sister chromatids. This replication occurs during the S-phase of the cell cycle, before mitosis or meiosis.
How can you tell from a cell's appearance alone whether the cell is undergoing mitosis answers?
Hi! I am in grade 8 and am doing science questions, that question is in my textbook and I'm doing the questions now so here is what i wrote: The cell will divide into chromosomes (threadlike objects) and they become visible. And its only visible when the cell is about to divide (mitosis)... so ya here you go hope it kind of helps. :P
What is the fourth stage in mitosis?
Anaphase happens. This is when the centromeres divide, separating each strand of chromosome into two, which are pulled to opposite ends of the cell by the spindle fibers and centrioles.
What stage does the cleavage appear in mitosis?
There are five stages of mitosis starting with prophase and ending with telophase. The cleavage furrow develops during cytokinesis which is after the telophase, so the cleavage furrow does not develop in mitosis at all.
During this phase of mitosis two centrioles appear to one side of the nucleus.?
prophase
Which type of cell is made during mitosis?
When a cell performs mitosis, it is using excess mass to split into two cells. These two cells are identical, although differences will appear over time. So, to answer your question, whichever cell was undergoing mitosis.
What chromosomes are the dumpy and sepia genes on in the drosophila?
The dumpy and sepia genes are both genes for the house fly, Drosophilia. These genes appear on the third chromosome.
On which album did Led Zepplin's classic Stairway To Heaven appear?
On Led Zeppelin IV.
What movie did classic amy rose first appear in?
Are u talking about Sonic the hedgehog
