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DNA study guide

study guide biology

QuestionAnswer
DNA is made of 3 parts: 1.Deoxyribose (sugar) 2.Phosphate group 3.Nitrogen base
What did Watson and Crick called DNA? Double Helix
What is the sequence of the nitrogen bases? Determines the trait of an organinsm.
What is the main function of DNA? DNA contains the master plan for producing the whole organism.
What are the segments of DNA that contains instruction for assembling? Protiens
DNA is copied durind a process called__________. Replication
What are chromosomes made of? DNA
DNA replication occurs in the the _____________of the cell. Nucleus
REMEMBER A pairs with T and C pairs with G
What is the code that pairs with the DNA? A,C,G,T,A,C,T,G,A-T,G,C,A,T,G,A,C,T
After DNA replicates, how many strands do you end up with? 2
They each have one _________strand and one __________strand. Original, New
What are the 3 steps of DNA replication. 1.DNA unzips 2.Nucleotides of DNA match up with the bases 3.2 new DNA molecules are made
Abnormal tissue masses formed by cancerous cells are called____________. Tumors
What do we call the nuclear process shown below? Replication
Why is the cell cycle important to the growth of organisms? It allows an organism to increase it's number of cells.
What are the "rungs" of the DNA ladder called? Nitrogenous bases
What is the structure below called? DNA molecule
Cellular repiration occurs in what kinds of cells? all cells
Which process converts sunlight to energy? Photosynthesis
Which process converts energy from glucose into energy that the cell can use? Repiration
If sisters have different traits it is because their DNA contains different__________________. Order of nucleotides
Which letter shows carriers the genetic code? B
Which letter shows the sugar and phosphate group? A
Which letter shows the basic structure of a DNA molecule? C
Created by: c0806224
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