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What is chromatin?
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Asked 8/20/2010 7:49:24 AM
Updated 9/12/2015 11:27:02 PM
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This conversation has been flagged as incorrect.
Edited by yumdrea [9/12/2015 11:26:56 PM], Flagged by yumdrea [9/12/2015 11:27:01 PM]
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User: What is chromatin?

Weegy: A globulin found in the supernatant fluid, in the course of .the preparation of the insoluble stromatin - RED CELL CYTOCHEMISTRY AND ARCHITECTURE -
Expert answered|Fut004|Points 218|

Question
Asked 8/20/2010 7:49:24 AM
Updated 9/12/2015 11:27:02 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Edited by yumdrea [9/12/2015 11:26:56 PM], Flagged by yumdrea [9/12/2015 11:27:01 PM]
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Chromatin is a mass of genetic material composed of DNA and proteins that condense to form chromosomes during eukaryotic cell division.

Added 9/12/2015 11:27:02 PM
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developement of cell biology
Weegy: Hi there, what do you want to know about cell biology development? User: i want to know the development of cell,how Weegy: Okay, got it. [ The term cell growth is used in the contexts of cell development and cell division (reproduction) When used in the context of cell division, it refers to growth of cell populations, where one cell (the "mother cell") grows and divides to produce two "daughter cells". The cell growth can be detected by a variety of methods. The cell size growth can be visualized by Microscopy, using suitable stains. But the increase of cells number is usually more significative. It can be measured by manual counting of cells under microscopy observation, using the dye exclusion method (i.e. Trypan blue) to count only viable cells. Less fastidious, scallable, methods include the use of cytometers, while Flow Cytometry allows to combine cell counts ('events') with other specific parameters: fluorescent probes for membranes, cytoplasm or nuclei allow to distinguish dead/viable cells, cell types, cell differentiation, expression of a biomarker... Beside the increasing number of cells, one can be assessed regarding the metabolic activity growth. I.e. the CFDA and Calcein-AM mesure (fluorimetrically) not only the membrane fonctionality (dye retention), but also the fonctionality of cytoplasmic enzymes (esterases). The MTT assays (colorimetric) and the Resazurin assay (fluorimetric) dose the mitochondrial redox potentiel. Finally, all these assays may correlate well, or not depending on cell growth conditions and desired aspects (activity, proliferation). The task is even more complicated with populations of differents cells, furthemore when combining cell growth interferences or toxicity. ] (More)
Question
Expert Answered
Updated 37 days ago|10/1/2024 6:34:06 AM
1 Answer/Comment
Development of cell biology is the study of cell structure, function, and processes, revealing how cells interact and contribute to life.
Added 37 days ago|10/1/2024 6:34:01 AM
This answer has been confirmed as correct and helpful.
explainnthe development of cell
Weegy: There are a lot of different kinds of cells. Different cells can have different purposes, different jobs, different shapes, and different characteristics. [ [ For example, plant cells have a cell wall and animal cells don't. Cells come in different shapes. They can be shaped like snowflakes, balls, cubes, saucers, rectangles, boxes, coils, or blobs of jelly. Animals cells are usually spherical or flat-sided. The amoeba, a one-celled organism that lives in water, has no regular shape. It is a jelly-like cell that changes shape to move around. Some muscle cells are long, thin, and pointed on both sides. Some nerve cells, with their long branches, look like trees. The sizes of cells can be very different. Most cells are 1/1,000 of an inch (0.0025 centimeter) in diameter. Around 500 average sized cells could fit on a period at the end of a sentence. The bacterial cell is one of the smallest of all the cells, and the yolk of a ostrich egg is the biggest of all cells. ] ] (More)
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Expert Answered
Updated 36 days ago|10/1/2024 6:38:11 AM
1 Answer/Comment
Development of cell is the process by which cells grow, differentiate, and organize into tissues and organs.
Added 36 days ago|10/1/2024 6:38:11 AM
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what is cytokinesis?
Weegy: Cytokinesis is when the cytoplasm of a cell divides to form two daughter cells. Animal cells complete this process with a cleavage furrow and plants cells use a cell plate. [ The division of the cytoplasm of a cell following the division of the nucleus. Cytokinesis , from the greek cyto- (cell) and kinesis (motion, movement), is the process in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells ] (More)
Question
Expert Answered
Updated 8/19/2021 1:05:16 PM
1 Answer/Comment
Cytokinesis is the part of the cell division process during which the cytoplasm of a single eukaryotic cell divides into two daughter cells.
Added 8/19/2021 1:05:16 PM
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What is selective permeability?
Question
Updated 10/19/2015 11:29:43 PM
1 Answer/Comment
Selective permeability usually refers to what can enter and exit a cell membrane.
Added 10/19/2015 3:44:58 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [10/19/2015 11:29:44 PM]
What is stromatin?
Weegy: An insoluble protein in the stroma of erythrocytes. (More)
Question
Expert Answered
Updated 227 days ago|3/24/2024 10:10:17 AM
1 Answer/Comment

Stromatin: is a a protein in some respects comparable to keratin that is present in the stroma of some cells (as red blood cells).

Added 227 days ago|3/24/2024 10:10:02 AM
This answer has been confirmed as correct and helpful.
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