Intro to DNA Structure

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

The two strands of nitrogenous bases in DNA are joined by which type of bond?

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

Tags

NGSS.HS-LS1-1

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

• Protein Synthesis

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

The shape of the DNA molecule is a double __________________?

• "S"
• helix
• rope
• curve

Tags

NGSS.HS-LS1-1

Rosalind Franklin's "photo 51" was critical in helping Watson and Crick to discover what?

• The double helix structure of DNA
• X-Ray crystalography was a technology worth looking in to. 
• That stealing is a great way to get ahead in life
• That there could possibly be life on other planets. 

Tags

NGSS.HS-LS1-1