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What is the function of nucleic acids?

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

Tags

NGSS.HS-LS3-1

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

X outlines a(n) ___________.

• amino acid
• nitrogen base 
• nucleotide
• nitrogen base pair

Identify #2.

• nitrogen base
• phosphate group
• deoxyribose sugar
• nucleotide

What part of the nucleotide is labled "A"

• Phosphate

• Nitrogenous Base

• Protein

• Sugar (Deoxyribose or Ribose)

Tags

NGSS.HS-LS1-1

What part of the nucleotide is labled "B"

• Phosphate

• Nitrogenous Base

• Protein

• Sugar (Deoxyribose or Ribose)

Tags

NGSS.HS-LS1-1

In 1952 Rosalind Franklin took the x-ray photograph shown, which gave the world its first look at DNA. By studying this photograph, scientists gained knowledge about the -

• role of DNA in protein synthesis

• mutation of nucleotide sequences in DNA

• sequence of DNA that makes up the human genome

• double-helix structure of DNA

Tags

NGSS.HS-LS1-1

In 1952 Rosalind Franklin took the x-ray photograph shown, which gave the world its first look at DNA. By studying this photograph, scientists gained knowledge about the -

• role of DNA in protein synthesis

• mutation of nucleotide sequences in DNA

• sequence of DNA that makes up the human genome

• double-helix structure of DNA

A model of a DNA molecule is shown. The arrow indicates -

• the bond between adjacent phosphate and deoxyribose molecules

• the junction of introns and exons in the sense strand of DNA

• the hydrogen bond between complementary nucleotides

• the junction of a codon and a DNA triplet

Tags

NGSS.HS-LS1-1

In organism #1 there is 13% thymine in a molecule of DNA, Determine the percent (%) _____ cytosine.

• 13%

• 26%

• 37%

• 74%