The given diagram represents Metaphase and Anaphase on the left and right sides respectively, which occur during mitosis.
The diagram depicts two phases, i.e. Metaphase as well as Anaphase, which are observed during the process of mitosis. Mitosis can be defined as a type of cell division where a particular cell (parent cell) undergoes division in order to give rise to two new cells (daughter cells). These newly formed cells are genetically similar to the parent cell.
During Metaphase, the chromosomes appear to be arranged in the central region of the cell in a linear fashion. During Anaphase, the chromatids segregate from each other and progress towards opposite ends of the cell undergoing mitosis.
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Answer: A fundamental task of proteins is to act as enzymes—catalysts that increase the rate of virtually all the chemical reactions within cells.
Explanation:i had a project on this
<span>The puma's order is Carnivora. In Latin carnivora translates "to devour flesh." In other words it is a meat eater. Almost all meat eating mammals are classified under the order of Carnivora, and all of the cats in the world are under the order Carnivora as well.</span>
That would be ascomycota or sac fungi. Sac fungi are characteristically known for producing ascus. This is a sac-like structure that contains haploid spores called ascospores. Some examples of sac fungi are yeast, truffles, morels and dead man's fingers.
Answer:
Watson and Crick proposed the double helical model of DNA.
Explanation:
- This model says that DNA exist as double helix. It has two polynucelotide strands running in opposite direction i.e the strands are anti-parallel.
- Each polynucleotide strand is made up of several nucleotide liknked together by phophodiester bonds.
- The two strands are not coiled upon each other but the double strand is coiled upon itself around a common axis like the spiral stair case. Here base pairs forms the stairs and backbone of two strands form railing. Back bone contains sugar and phosphate.
- The base pairing is specific, adenine always pairs with thymine and guanine always pairs with cytosine. Thus if we see any base pair, it consists of one purine and one pyrimidine.
- The two strands of DNA thus show complementary base pairing.
- The strands are held together because of hydrogen bonding between the bases in opposite strand.
- One full helical turn involves ten base pairs and the base pairs are stacked 3.4 A apart.
- This form is called as B-form of DNA.
