DNA

Who was the discoverer of DNA?

• Friedrich Miescher

• Watson and Crick

• Rosalind Franklin

• Francis Crick

How did Rosalind Frankin take a photo af the DNA?

• She did not take a photo

• With a microscope

• With a camera

• With a new tecnology called X rays difraction

DNA molecule is...

• A simple strand structure

• A double strand structure

• A triple strand structure

• None above is correct

The DNA selective binding is...

• Adenine-Guanine and Thymine-Cytosine

• Adenine-Uracil and Guanine-Cytosine

• Adenine-Cytosine and Guanine-Thymine

• Adenine-Thymine and Guanine-Cytosine

Nitrogen bases...

• Translate genetic information into proteins.

• Regulate sugar levels

• Determine the biological instruction

• Reinforce the links of the pentoses

A gen is...

• A segment of DNA with the information necessary to synthesize a protein

• A segment of DNA with the information necessary to synthesize carbohydrates

• A long chromosome

• A segment of DNA that carries out DNA replication

In our DNA, we have...

• 25.000 genes in total

• 100.000 protein coding genes

• 25000 protein coding genes and a lot of junk DNA

Which of the following enzymes is the responsible of copying the DNA strands?

• RNA polymerase

• DNA polymerase

• Helicase

• Topoisomerase

Which are the two steps of the protein biosynthesis?

• Transcription and traduction

• Traduction and replication

• Transcription and translation

• None of the above

Genetic engineering is applied to these fields

• Hormone manufacturing and forensic science

• Crop and livestock modification and antiviral medication manufacturing

• Hormone and antiviral medication manufacturing

• Hormones manufacturing and crop and livestock modification