Answer:
AZT is a thymidine analog
Explanation:
Azidothymidine (AZT) is an antiviral drug used for the treatment of the Human immunodeficiency virus infection (HIV/AIDS) by preventing the transmission of HIV from infected cells. AZT is capable of suppressing the activity of the enzyme reverse transcriptase of the retroviral HIV genome, which enables it to copy RNA into DNA. In infected cells, this double-stranded DNA is integrated into the host genome which is then instructed to produce identical HIV copies. AZT is a thymidine analog that is incorporated into DNA and thus interferes with DNA synthesis, thereby inhibiting cell proliferation.
Answer:
This question lacks options, however, it can be answered based on general understanding of the topic
The answer is SUBSTITUTION MUTATION
Explanation:
A mutation is any change that occurs in the nucleotide sequence of a gene. Mutation can be of different types depending on how it occurs. One type of mutation is SUBSTITUTION MUTATION, which is a mutation in which one or more nucleotide base is replaced by another in the sequence.
Nucleotide bases are read in a group of three called CODON. Each of these codons specify amino acid. Hence, if the nucleotide base sequence is altered during mutation, the amino acid sequence is altered likewise. In this case where the original amino acid sequence is: Met-Ala-Gln-Arg-Glu-Leu, the mutation affected the nucleotide bases coding for Arginine (Arg), hence changing it to Glycine (Gly).
This means that a base substitution mutation occured, replacing the amino acid Arginine with Glycine in the mutated sequence.
Answer:
Resistance bacteria survive in greater numbers and pass the trait to their offspring
Explanation:
Antibiotics are chemicals which are used in the treatment of bacterial infections. The bacteria sometimes have some form of immunity or resistance to a particular antibiotic due to a host of underlying factors.
Once resistance appears in a bacterial population, it spreads rapidly. The trait of immunity or resistance to such antibiotic is then passed as a trait from one generation to another.
The United States Constitution is the world's longest continually operating written charter of governance. It was prepared in 1787, adopted in 1788, and entered into force in 1789.
The first three words of it, "We The People," indicate that the American government's goal is to serve its people.
<h3>What form of government evolved in the aftermath of the American Revolution?</h3>
The powers of the national government were specified in the Articles of Confederation following the United States' declaration of independence from Great Britain.
In order for the Constitution to be ratified by all 13 states, the participants in the Constitutional Amendment had to reach a number of agreements.
Thomas Jefferson authored the Declaration of Independence in 17 days. On July 2, 1776, Congress resolved to secede from the United Kingdom. On July 4, 1776, Congress approved the Declaration of Independence, which became known as Independence Day.
Learn more about United States Constitution refer
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Answer:
The scientific question posed by the student is, Does compost cause tomato plants to grow faster and taller than artificial fertilizer?
Explanation:
