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Stack #4686621

Answer
What is a gene? A section of DNA that contains instructions for making a protein or trait
Function of the helicase Unwinds the DNA double helix
function of primase Lays down RNA primers
function of polymerase Adds complementary DNA nucleotides to build new strand
How r DNA and mRNA different in shape DNA double MRNA single stranded
How r DNA and mRNA different in nitrogen bases DNA ACTG mRNA ACUG
How r DNA and mRNA different in sugars DNA deoxyribose mRNA ribose
How r DNA and mRNA different in location DNA Nucleus mRNA cytoplasm
What is transcription Copying DNA into mRNA
Where does transcription occur? In the nucleus
What is translation? mRNA makes protein proteins
Where does translation occur? At the ribosome in the cytoplasm
What is a mutation? Change in the DNA sequence
How does a virus infect a cell? By attaching themselves to specific receptors in a wholesale injecting in or entering the genetic material and using the host to reproduce
Can a virus affect any cell? No
What’s the difference between lactic and lysogenic cycles of reproduction?
H habitat loss
I invasive species
P Pollution
Pop Population growth
o Over harvesting
Created by: Ipetrov9317
 



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