The Organisms in This Photograph Would Most Likely Produce Oceanic

question 57

Multiple Choice

The organisms in this photograph would most likely produce oceanic sediments that are:

• A) calcareous.
• B) cosmogenous.
• C) lithogenous.
• D) neritic.
• E) siliceous.

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Definitions:

5′ Cap

A modified form of guanine nucleotide added to the 5′ end of eukaryotic mRNA, important for mRNA stability and initiation of translation.

Degradation

The process by which a compound is broken down or decomposed, often into simpler substances, sometimes leading to a loss of quality or function.

mRNA

Messenger RNA (mRNA) is a type of RNA that carries genetic information from DNA to the ribosome, where it directs the synthesis of proteins.

Deoxyribose

Pentose sugar lacking a hydroxyl (—OH) group on carbon-2′; a constituent of DNA.