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