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What is a single-ringed nucleotide called?


-Pyrimidine

What does DNA stand for?


-Deoxyribonucleic acid

Name the three parts of a nucleotide.


-1.)Phosphate group 2.) 5 carbon sugar 3.) Nitrogen-containing base

Name the four nitrogenous bases.


-1.) Adenine 2.) Thymine 3.) Guanine 4.) Cytosine

Name a purine.


-Adenine, OR Guanine

What base is taken away during transcription?


-Thymine

How many amino acids are there in the human body?


-Twenty

What anticodon would pair with the codon UAG?


-AUC

What is the shape of DNA usually called?


-Double helix, OR Twisted ladder

What is the start codon of mRNA?


-AUG

In what organelle of the cell are proteins made?


-Ribosomes

Name a Pyrimidine.


-Thymine, OR Uracil, OR Cytosine

How many carbon is the sugar Deoxyribose?


-Five

Name ONE of the codons that would stop protein synthesis.


-UAA, UAG, UGA, AUU, AUC, AUA

What makes up the “backbone” of DNA?


-Phosphate groups AND Sugars

Where in the cell can you find tRNA?


-The Cytoplasm

Where are amino acids located?


-On tRNA molecules

What are the repeating sub-units called that make up DNA?


-Nucleotides

What kind of bonds hold the nitrogenous bases together?


-Hydrogen Bonds

What is a chain of amino acids called?


-A polypeptide chain