During the denaturation step of PCR, ____ bonds are broken when DNA is heated
a. hydrogen
b. double-stranded
c. ionic
d. metallic
e. covalent
a
Biology & Microbiology
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What is an autoimmune disease?
What will be an ideal response?
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Molting in arthropods may involve a change in
all but a. body form and maturity. b. sex. c. body size. d. eating habits. e. sensory structures.
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Plant cells ________
A) do not need chloroplasts because their mitochondria meet their energy needs B) have chloroplasts and mitochondria C) use carbon dioxide but do not use oxygen D) do not need mitochondria because their chloroplasts meet their energy needs
Biology & Microbiology
If the PO2 in the alveolus is 80 mm Hg, will O2 diffuse, and if so, in what direction?
A.) O2 will diffuse from the blood to the alveolus B.) O2 will diffuse from the alveolus to the blood C.) O2 will not diffuse
Biology & Microbiology