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Examen
TEST 1 BIO 1A03 QUESTIONS AND ANSWERS 100% PASS
TEST 1 BIO 1A03 QUESTIONS AND ANSWERS 100% PASS Central Dogma theory that states that, in cells, information only flows from DNA to RNA to proteins 
what enzyme is used to transcribe DNA and describe the process RNA polymerase attaches to specific promoter regions its these promoter regions which identifies the starting point, 
describe the DNA and RNA directionality and how the direction followed by RNA polymerase the 5' end has the 5'phosphate on a nucleotide the other end is the 3' OH grou...
Examen
Bio 1A03 Test 3 Questions and Answers 100% Pass
Bio 1A03 Test 3 Questions and Answers 100% Pass Binary Fission steps -Initiated when proteins attach DNA to plasma membrane -Begins along ORI region -Newly synthesized DNA also anchored to membrane -Cell elongates until ~2 times its original size and two has two chromosomes on opposite ends of the cell -Cell splits in two 
Quiescent stem cells, function Permanently arrested in G0 phase. In adults: can replace non-reproducing specialized cells) ex adult skeletal muscle/myofiber) 
Steps of quiesce...
Examen
BIO 1A03 Test 2 Questions and Answers Already Passed
BIO 1A03 Test 2 Questions and Answers Already Passed one gene-one enzyme hypothesis each gene contains the information needed to make an enzyme 
What did George Beadle and Edward Tatum research? Relationship between genes and proteins using the Neurospora Crassa 
One gene-one enzyme hypothosis (Neuroposa Example) Neurospora can grow well on minimal medium (simple sugar, vitamins, inorganic salts), and therefore it must have enzymes produced by a certain gene that that transform these materials i...
Examen
BIO 1A03 TEST 2 QUESTIONS AND ANSWERS ALREADY PASSED
BIO 1A03 TEST 2 QUESTIONS AND ANSWERS ALREADY PASSED 
The lacZand lacY genes are transcribed when 
a) lactose is absent and glucose levels are high. 
b)lactose is present and glucose levels are low. 
c)lactose is present, regardless of the level of glucose in the cell. d) glucose levels are low, regardless of the level of lactose in the cell. b) 
The CRP-cAMP complex binds the lactose operon when 
a) glucose levels and cAMP levels are low. 
b) glucose levels are high and cAMP levels are low. 
c)...