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What is the difference between DNA and mRNA

DNA is a double stranded construct of genetic information with nucleotides: Adenine, thymine, guanine, and cytosine. DNA contains deoxyribose.

mRNA is a single stranded transcribed version of a DNA...

Answered by Alexander T. • Biology tutor

1907 Views

Bacteria can develop resistance to antibiotics. Explain how this may be prevented.

The overuse and misuse of antibiotics promotes antibiotic resistance. A common misconception is that antibiotics can be used to treat colds and the flu, which are actually caused by viruses. Therefore, by...

Answered by Max T. • Biology tutor

2676 Views

The pancreas contains areas called the islets of Langerhans. What are the two types of cells in this area and what hormone does each produce?

The islets of Langerhans contain alpha and beta cells. Alpha cells produce and secrete glucagon. Beta cells produce and secrete insulin.

Answered by Harrison S. • Biology tutor

2276 Views

Explain the process of transcription.

Transcription is the process by which a complementary mRNA copy is made of the specific region of the DNA molecule which codes for a polypeptide (about 17 base pairs). A specific region of the DNA molecul...

Answered by Flora T. • Biology tutor

6889 Views

Describe the process of eukaryotic DNA replication

DNA helicase unzips and unwinds the DNA double helix by breaking hydrogen bonds between complementary base pairs. This exposes the bases on two strands creating template strands. Free floating nucleotides...

Answered by Louis B. • Biology tutor

8714 Views