Nucleic Acids IB Bio 2.6.U1 2.6.S1 2.6.U3 2.6.U2

DNA and RNA are examples of...

• proteins
• nucleic acids
• carbohydrates
• lipids

What is the function of nucleic acids?

• Stores energy
• Stores genetic information
• Movement
• Physical structure

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

A short sequence of nucleotides reads GGACAGAGCGCAGACGA. In which type of molecule could this sequence be found?

• DNA molecule only

• RNA molecule only

• Both in a DNA and an RNA molecule

• In double-stranded DNA only

Which type of bond is identified by the arrow?

• Phosphate

• Hydrogen

• Covalent

• Peptide

Tags

NGSS.HS-PS1-4

Which points to the 3′ end of a strand of DNA?

• I

• II

• III

• IV

The image shows a DNA nucleotide.

Which correctly identifies the parts labelled I and II?

• I phosphate; II base

• I ribose; II uracil

• I deoxyribose; II base

• I ribose; II base

Tags

NGSS.HS-LS1-1

Which of the following describes the shape of a DNA molecule?

• double helix

• sphere

• pyramid

• rectangle

Tags

NGSS.HS-LS1-1

Name this structure

• double helix

• nucelotide

• twisted ladder

• hydrogen bond

Tags

NGSS.HS-LS1-1

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.MS-LS3-1

NGSS.MS-PS1-1

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

Tags

NGSS.HS-LS1-1