Match the environmental agent with the type of DNA damage it causes
a. X-rays
b. UV radiation
c. tobacco smoke
d. exposure to oxidizing agents such as household bleach or hydrogen peroxide
_____ Addition of bulky sidegroups that hinder proper base pairing
_____ Loss of a base from one of the deoxyribose sugars, resulting in a gap in one DNA
strand
_____ Breaks in one or both of the sugar-phosphate backbones
_____ Cross-links between adjacent pyrimidine bases
What will be an ideal response?
C Addition of bulky sidegroups that hinder proper base pairing
D Loss of a base from one of the deoxyribose sugars, resulting in a gap in one DNA strand
A Breaks in one or both of the sugar-phosphate backbones
B Cross-links between adjacent pyrimidine bases
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A. is the location of the pacemaker cells of a normal heart. B. prevents blood flow from the right ventricle to the right atrium. C. prevents blood flow from the left ventricle to the left atrium. D. prevents blood flow from the pulmonary artery to the right ventricle. E. prevents blood flow from the aorta to the left ventricle.