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What does DNA stand for? Deoxyribonucleic Acid
What is located at the BOTTOM of a tRNA molecule? Anti-codon sequence
Where in the cell is DNA found? Nucleus
Scientifically, describe the shape of the DNA molecule. Double Helix
What is the complement to this side of a DNA molecule?: TGGACTA ACCTGAT
How many pairs of chromosomes does a human have in their body cells? 23
Where can mRNA be found? Nucleus, cytoplasm, ribosome
A segment of DNA that codes for a protein is called a ______ Gene
What are the 3 parts of the DNA molecule? Phosphate group Deoxyribose Sugar Nitrogen Base
What sugar is present in RNA? ribose
What nitrogen bases are present in RNA? A, U, C, G
What is chromatin? Uncoiled DNA
What type of bond holds together the nitrogen bases? Hydrogen
What scientists are credited with the “base-pairing” rules? Watson & Crick
DNA that is coiled would be called? Chromosome
When does the DNA replicate? Cell division/Interphase (before mitosis)
Going from mRNA to a protein is called _______. Translation
During DNA replication, what causes the hydrogen bonds to break? An Enzyme
What is the tRNA complement to this mRNA?: AUGCAU UACGUA
What polymer makes up or hair color, bone length, etc..? Protein
What is the shape of mRNA? Single helix
What is the function of tRNA? tRNA anticodons bond w/ mRNA codons to insure the correct order of amino acids
What sugar is present in DNA? Deoxyribose
What does RNA stand for? Ribonucleic Acid
How many strands of mRNA are transcribed from the two “unzipped” strands of DNA? 1
What nitrogen bases are present in DNA? A, T, C, G
How is the accuracy of the DNA code assured? Base-pairing rules
Going from DNA to mRNA is called _________. Transcription
What is the mRNA complement to this side of a DNA molecule: AACGTAT UUGCAUA
How does the mRNA get out of the nucleus? Nuclear pore
Identify this molecule. DNA
What is located at the TOP of a tRNA molecule? Amino acids
Where does translation occur? Ribosome
What is the function of mRNA? To get the DNA code out of the nucleus
What are proteins made up of? Amino acids
Where must the mRNA attach before protein production can begin? Ribosome
Where does transcription occur? Nucleus
Identify this molecule. tRNA
How many nitrogen bases make up a mRNA codon? 3
What type of bond is formed between amino acids during translation? Peptide bond
Identify this molecule. mRNA
What is the function of rRNA? Creates peptide bonds between the amino acids
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