In the Section "Investigating Life: Genetic Messages from Ancient Ecosystems",why

question 12

Multiple Choice

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",why did the scientists choose to look for the gene encoding for rubisco protein in their core samples?

• A)Plant cells do not have mitochondriA.
• B)Plant cells do not have a nucleus.
• C)It is used in respiration by all plants.
• D)It is used in photosynthesis by all plants.
• E)It is present only in angiosperms.

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