DNA Reivew

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

The shape of the DNA molecule is a double __________________?

• "S"
• helix
• rope
• curve

What is DNA

• donuts need algea

• did no algebra

• do not answer

• deoxyribonucleic acid

Where is DNA found???

• Cell membrane

• Nucleus

• Cell wall

• Auditorium

What does the structure of DNA resemble?

• an airplane propeller

• a twisted ladder

• a twisted Christmas tree

• a hippo in a tutu

Traits that are passed from generation to generation are called ____________________

• Excited Traits
• Inherited Traits
• Inclined Traits
• Special Traits

What does DNA do?

• a.  It carries genetic codes from parents to offspring.
• a.  It carries oxygen from the lungs to the body.
• a.  It tells you who you are.
• a.  It defines the organism.

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

What makes up the rungs (steps) of a DNA ladder?

• sugars & phosphates

• nitrogen bases

• sugars

• genes & chromosomes

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds