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(Bio) DNA / RNA Quiz

Protein synthesis, DNA, and RNA

QuestionAnswer
Transcription is the creation of: RNA
RNA is produced from DNA through: Transcrition
Step 1: RNA ____ binds to a promoter; a specific sequence of DNA that signals the start of transcription. Polymerase
Step 2: RNA polymerase unzips and unwinds the DNA and separates the _____ _____, exposing the nucleotides. Hydrogen bonds
Step 3: RNA polymerase ____ and then links complementary RNA ______ as it reads the genes. Adds; nucleotides
Step 4: RNA polymerase proceeds until it reaches a ____ ____ on DNA, and then it detaches. Stop signal
All ___ types of RNA are made this way. 3
DNA is used as a _____ to make RNA. Template
Three RNA bases combined make up a ____. Codon
DNA goes with ___; RNA goes with ____. Codes; codons
___ possible codons. 64
The are ____ than one codon per amino acid. More
Three of the 64 codons are ____ ____. Stop signals
Methionine (AUG) is the universal ____. Start
There are 3 stops, including: UAA, UAG, & UGA
Translation is the assembling of ____. Proteins
Step 1: mRNA moves out of the nucleus, through the nuclear pores, and into the _____. Cytoplasm
Step 2: mRNA and tRNA form a ____. Ribosome
Step 3: tRNA (____) carries amino acids to mRNA Anticodons
___ amino acid per tRNA. 1
Step 4: It reads until it reaches at ____ ____. Stop code
Step 5: ____ is released into the cell. Protein
It takes ___ bases to pick up an amino acid. 3
Protein synthesis is: Translation
The ___ molecule unzips at the hydrogen bonds. DNA
What type of RNA picks up amino acids? tRNA
Code DNA
Codon mRNA
Antocodon tRNA
Sequences always start with ___. AUG
Step 1 of writing part: DNA strand is given. (Ex: GTA)
Step 2 of writing part: Find the opposite mRNA codons (using U, not T)(Ex: GTA - CAU)
Step 3 of writing part: Find the amino acid sequence (actual name of mRNA acid using chart)(Ex: CAU = histidine)
Step 4 of writing part: Find the tRNA anticodons (These are the same as the DNA strand given, but the T's are replaced with U's)
In RNA, ____ is replaced with ____. Thymine; uracil
Created by: mma129
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