Molecular biology concepts

What nitrogenous base is not part of DNA?

• Uracyl

• Uracil

• Thymine

• Thimen

The _____ ______ allows the union between nitrogenous bases.

It's a condensed "substance" that contains proteins and DNA in its interior.

• Chromosome

• Chromatid

• Chromatin

• Genetic Material

It can be replicated in preparation for cell division. 

• Chromosome

• Chromatid

• Chromatin

• Genetic material

It's the packing of proteins and DNA into an X shape.

• Chromosome

• Chromatid

• Chromatin

• Genetic material

Proteins named _________ are important in the genetic material, because they allow DNA to be packaged inside a nucleus.

What is not a difference between DNA and RNA?

• Nitrogenous base

• Position

• Helix

• Phosphodiester bond

Guanine can form a hydrogen bond with the nitrogenous base named...

• Thymine

• Uracil

• Cytosine

• Adenine

The most stable hydrogen bond in DNA is

• Thymine with Adenine

• Uracil with Cytosine

• Thymine with Guanine

• Guanine with Cytosine