Two strands of DNA that have been cut by an endonuclease can be sealed together by a(n)
A. exonuclease enzyme.
B. protease enzyme.
C. polymerase enzyme.
D. methylase enzyme.
E. ligase enzyme.
Answer: E
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The process of segregating the daughter chromosomes in Sulfolobus is more similar to the process in eukaryotic cells than in bacterial cells.
Answer the following statement true (T) or false (F)
Proteins are largely responsible for the traits of living organisms, while ________ provides the blueprint for the organization, development, and function of living things.
A. DNA B. protein C. carbohydrate D. lipid E. metabolite
Global warming of Earth's oceans may have a direct effect on global photosynthetic rates and carbon storage, given that
A) 30% of the world's photosynthesis is done by aquatic protists. B) 20% of the world's photosynthesis is done by aquatic protists. C) 50% of the world's photosynthesis is done by aquatic protists.
When two different species live in the same area and use the same limited resources which of the following will occur?
a. competition b. succession c. parasitism d. industrialization