DNA

In eukaryotes, which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

DNA is made of ______ strands.

• 1

• 2

• 3

• 4

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

The sides of the DNA molecule (the ladder) are made up of nucleotides. These nucleotides are ____ & ____.

• deoxyribose sugar and phosphates

• Splenda and phosphates

• phosphates and glucose

Chromosomes are found in what part of a cell?

• mitochondria

• nucleus

• cytoplasm

Cystosine is always paired with ______________.

• Adenine

• Thymine

• Guanine

• It doesn't match with anything

The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.

• oxygen
• hydrogen
• nitrogen
• carbon

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

The sides of DNA contain

• Sugar and phosphate

• Sugar and base pairs

• Phosphate and base pairs

• DNA does not have any sides

Adenine is always paired with _______________________.

• Thymine

• Cytosine

• Guanine

• It doesn't match with anything