It is a substance which changes the colour of reflected or transmitted light
For example chlorophyll have green pigments
<span>The nitrogenous base pairs, which are linked by hydrogen bonds that also hold the strands together, are between this backbone. However, the nitrogenous bases, which are adenine, thymine, cytosine and guanine, pair up so that cytosine only pairs with guanine and adenine links up with thymine.</span>
Well, dissolved carbon is basically carbon, and carbon and other atmospheric gases dissolve in water. So that would most likely lead to the answer being oceans and lakes.
Its C
On large-scale cheese production, using bought-in cultures is essential because when the milk is coming from multiple farms, often collected over several days, and is pasteurised, the cheese-maker needs to repopulate the milk with lactic acid bacteria in order for it to acidify and to prevent 'bad' pathogenic bacteria
The identification of an individual by the means of genetic engineering is possible because the Y chromosomes in the males does not experience any crossing-over as there is only a single Y chromosome present in a human male.
The mitochondrial DNA is passed from the mother to child in the cytoplasm of the cell, and it is passed on without any changes. The X chromosome is can be passed from a mother to her son as he will receive Y chromosome from his father.
Hence, the correct answer is 'Option B - The Y chromosome does not experience crossing over'.
