<span>An American drug enterprise has devised a manner of producing insulin by way of recombinant DNA technologies. Insulin encompass 2 polypeptide chains (A and B) appropriate by way of disulphide bridges. The polypeptides are 'engineered' one after the other, and later further collectively to make lively insulin. The bacterium used is a stress of E. col
</span> <span>It would be like taking a gold ring, breaking it open, and saudering to it a silver ring.</span>
True, centrioles can be found in animal cells
For the first one I’d say D
The answer for the 2nd one is C.
Arrow symbol →
Explanation:
The arrow symbol in a chemical equation separates the reactants from products.
A chemical reaction is process in which chemical changes leads to the formation of products from reactants.
The arrow symbol → is used to separate the reactants from products
⇆ shows reversibility of the reaction
↑ indicates that gas is given off as product
learn more:
Chemical reaction brainly.com/question/3953793
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Answer:
B. Electromagnetic waves travel in straight lines.