Answer:
The correct answers are: Dilution factor = 250 and concentration of DNA in undiluted sample = 2.5 μg/μl.
Explanation:
- Volume of DNA taken = 2 μl.
- Volume of added water = 498 μl.
- Total volume of the sample = 2 μl + 498 μl = 500 μl.
- Dilution factor =
- A₂₆₀ of the given sample is = 0.2.
- We know that 50 μg/ml concentration of pure double stranded DNA gives an absorbance, A₂₆₀ = 1.
- Again, Concentration of DNA(µg/ml) =
µg/ml. - =
μg/ml. - In order to convert it into μg/μl, we have to divide the above value by 1000, hence we get,
μg/μl.
I think the answer is conduction
i hope this helps
The structures in the cerebral cortex that are involved in hearing, language processing, and memory are called the Temporal lobes.
Cerebral cortex- The cerebral cortex, the brain's outer layer, is linked to higher-order cognitive functions such as awareness, cognition, emotion, reasoning, language, and memory. There are four lobes in each cerebral hemisphere, each of which has a specific purpose.
Temporal lobes- The temporal lobe is a part of the brain that controls various parts of language as well as hearing, memory, and emotion. It is situated on the side of the head.
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Answer:
We live in the Phanerozoic EON
Explanation:
The cell wall in the animal plant cells are absent from the cell and the and the plant cell walls are present.the shape of the animal cell is round which is an fixed shape and the plant cell is rectangle which is and irregular shape.And animal cells don't have chloroplasts and <span>Plant cells have chloroplasts because they make their own food.</span>
