DNA & REPLICATION REVIEW - 2024

What is the shape of DNA as named by Watson and Crick?

• Double helix

• Triple helix

• Single strand

• Double circle

DNA is found in ___ living things from ___ to humans.

• ALL, bacteria

• SOME, plants

• NO, viruses

• FEW, animals

Tags

NGSS.MS-LS1-1

In a prokaryotic cell, DNA is found in the ​ (a)   and in a eukaryotic cell, DNA is found in the ​ (b)   .

​

• cytoplasm
• nucleus
• ribosome

What biomolecule is DNA?

• Nucleic acid

• Protein

• Carbohydrate

• Lipid

What are the monomers/building blocks of DNA?

• nucleotides

• amino acids

• fatty acids

• monosaccharides

Label the parts of the nucleotide

a

b

c

Base

Phosphate

Sugar(Dexoyribose)

Which part of the nucleotide holds the genetic information & codes for traits?

• #1 - phosphate

• #2 - base (ATCG)

• #3 - sugar (deoxyribose)

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is the complementary strand to the DNA strand shown below? ATTGCCCAT

• TAACGGGTA

• CGGTAACGT

• GCCATTGCA

• TTACGGGAT

How are genetic instructions for traits and proteins coded for in DNA?

• in the sequence (order) of nitrogenous base pairs

• in the shape of the DNA molecule

• in the number of chromosomes

• in the type of sugar in the DNA backbone

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What 2 components (parts) make up the backbone (sides) of the DNA ladder (Choose 2 answers)?

• sugar (deoxyribose),

• adenine

• cytosine

• phosphate

• guanine