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A chromosome is very tightly packed DNA. DNA stores the information that is used to synthesize proteins. Thus the entire makeup and organization of an organism relies on the information stored in the chromosomes.
DNA becomes wrapped around proteins known as histones. 8 histones form a structure known as a nucleosome. Multiple nucleosomes condense together with the addition of another histone, H1 to form a 30 nanometer fiber. Scaffolding proteins further pack the 30 nanometer fiber into a chromosome.
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Where are chromosomes found in a cell state their function?
Chromosomes are found in the nucleus of a cell. They carry genetic information in the form of DNA, which contains instructions for the cell's functions, growth, and reproduction. During cell division, chromosomes ensure that genetic material is equally distributed to daughter cells.
Why are chromosomes not condensed during all stages of the cell cycle?
Chromosomes are not condensed during all stages of the cell cycle because they need to be accessible for processes like DNA replication and gene expression. When chromosomes are condensed, it makes it difficult for the cell to carry out these essential functions.
How does the human body inherit and maintain its genetic information through the presence of 44 chromosomes?
The human body inherits and maintains its genetic information through 44 chromosomes by receiving half from each parent during reproduction. These chromosomes contain DNA, which carries the genetic instructions for traits and functions. The body's cells continuously replicate and divide, ensuring that the genetic information is passed on to new cells to maintain the body's functions and characteristics.
What are all chromosomes with the exception of the sex chromosomes?
Humans contain 46 chromosomes which function in 23 pairs. You receive one set of 23 from your mother and the other set of 23 from your father. These chromosomes pair with one another and are labeled as pairs 1-23. The 23rd pair is the sex chromosomes which are labeled XX for females and XY for males.
What special information is contained in chromosomes?
Chromosomes contain the genetic information that determines an organism's traits, such as its physical characteristics and biochemical functions. They also play a crucial role in transmitting this genetic information from one generation to the next through the process of cell division.
What are the primary functions of chromosomes?
To carry hereditary information.
What is chromosomes and its functions?
it carries information across the cell
What life functions are chromosomes most associated with?
Reproduction and protein production.
What is the functions of sex chromosomes?
They Carry Genes That Determine Whether Make Or Female
What is tiny inside the nucleus that contain the instructions for directing the cells functions?
DNA - chromosomes
What is the name given to the type of information in chromosomes?
The name given to the type of information contained in chromosomes is called DNA. DNA controls everything about the cell and its functions.
What are two functions of chiasmata?
Chiasmata are important for holding homologous chromosomes together during meiosis, facilitating genetic recombination between the chromosomes. They also help ensure proper segregation of chromosomes during meiosis by maintaining tension between homologous chromosomes.
What are the functions of a microtubules?
help determine the cell shape, move chromosomes during cell division
What organic function is performed by the neucleus?
The Nucleus controls the cell's functions. It also houses the chromosomes.
What is tiny strands inside the nucleus that contains the instructions for directing the cell functions?
DNA - chromosomes
What is tiny strands inside the nucleus that contain the instructions for directing the cells functions?
DNA - chromosomes
What is the tiny strands inside the nucleus that contain the instructions for directing the cells functions?
DNA - chromosomes
