Answer:
Yes, two hydrogen bonds could form between thymine and cytosine.
Explanation:
Cytosine is a pyrimidine base found in both DNA and RNA, and Thymine is a pyrimidine base found in only DNA. Electronegative Oxygen and Nitrogen atoms with free lone pairs are potential hydrogen bond acceptors. Hydrogen atoms attached to very electronegative atoms like Oxygen and Nitrogen have strong partial positive charge and are potential hydrogen bond donors.
One hydrogen bond could form between the C4 carbonyl group on thymine which is a hydrogen bond acceptor and the C4 amino group on cytosine which is a hydrogen bond donor. Also, another hydrogen bond could be formed between N3 of thymine which is a hydrogen bond donor and the N3 of cytosine that is a hydrogen bond acceptor.
It is important to note that hydrogen bond cannot be formed between them because the C2 carbonyl groups found on both bases are both hydrogen bond acceptors.
I have no idea- ask Johnny Cash I think he'll be able to answer your question
You can use genetic engineering techniques to make transformed bacteria that produce this enzyme by a<span>llowing bacterial cells to take in the plasmids and select for transformed bacteria by growing them in a culture containing the antibiotic.
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answer:
When you increase the temperature of a substance its volume increases.(This is also known as Charles law~> T and V are directly correlated)
When the substances volume increases its density decreases.
Density:Mass/Volume
Hope this helps:)
The answer to your question is A. Higher latitudes receive less radiation due to the curvature of the Earth.
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