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ASHA 777 [7]
3 years ago
12

Describe what is happening in each of the phases of cellular division with what you observe from the photomicrographs in the lab

instructions (describe and compare both).
Biology
1 answer:
Readme [11.4K]3 years ago
7 0

Answer:

Interphase - There are 3 subphases called - G1 , S and G2 . In these subphases, DNA material is duplicated, and essential proteins for cell division are formed.

Prophase - the nuclear envelop and nucleolus disappears and condensed DNA forms chromosomes that are short in size.

Metaphase - the form of two sister chromatids are arranged in the middle of the metaphase/equatorial line. Two centrioles are found at two poles of the cell which initiate the formation of spindle fibers.

Anaphase - spindle fibers are formed and can be observed. These fibres attach with the kinetochore present in the centromere of chromosomes and these chromatids now start separated by pulling and pushing force of spindle fibers in opposite poles

Telophase -  chromatids reach at destination pole and then nuclear envelop starts creating again in both poles. Nucleolus reappears and now in a cell two nucleus are found.

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Select all that apply! Chromosomes _____.
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Option A,B,C,E

Chromosomes are rod shaped structures that contain DNA, are located in the nucleus, occur in numbers that are the same for all members of a certain species, are organized into karyotypes for scientists to analyze

<h3><u>Explanation:</u></h3>

A chromosome is the threadlike arrangement of DNA and protein-containing genetic erudition. Chromosomes are packaged and saved inside the nucleus. Various species have distinct amounts of chromosomes. An organism's complete assortment of chromosomes can be observed by practicing pictures of cells dividing. These pictures are then designed to produce a karyotype.

All the various chromosomes of an organism get up that organism's genome.DNA is the construction block of the genetic material observed in all living things. A very long chain of DNA can create a chromosome. In these chromosomes are areas designated as genes that code for particular proteins.

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Explanation:

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