DNA Quiz

What does DNA stands for?

• deoxynucleic acid

• deoxyribonucleic acid

• denatured ribonucleic acid

• deoxoribonuclear acid

DNA is found in the ____ of a cell.

• nucleus

• ribosome

• mitochondria

• smooth endoplasmic reticulum

• DNA contains the "____" for all your traits.

• Lipids

• Protein

• Code

• Errors

The sides of the DNA "ladder" are alternating sugar and ___ molecules.

• Adenine

• • Nitrogen bases

• Thymine

• Phosphate

In DNA, Adenine (A) always pairs with ________.

• • Thymine

• • Guanine

• Cytosine

• Uracil

In DNA, Guanine (G) always pairs with ______.

• Adenine

• Thymine

• Cytosine

• Uracil

The twisted ladder shape of DNA, shown below, is known as the ______.

• Nucleic acid

• Double helix

• • Hydrogen bonding

• Chemical Bonding

The "rungs" or steps of the DNA "ladder" consist of molecules that we use letters for (A, T, C and G).  Those letters are ____.

• Nitrogen bases

• Nucleus

• Nucleotides

• Phosphates

What are the 4 nitrogenous bases in DNA?

• adenine, thymine, cytoplasm, and guanine

• denine, thymine, cytosine, and gylcerol

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and glucose

Why is DNA important?

• it is very small and very complicated

• it serves as the blueprint for traits of all living things

• it's in everything

• because we eat it every day for energy