What is the function of a TERRA (telomere repeat-containing RNA)?

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TERRA contributes to the heterochromatic nature of a telomere and facilitates methylation of the histone H3K9. In addition, TERRA sequences may help regulate telomerase.

Biology & Microbiology

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Organisms that aerobically catabolize methane use the intermediate ________ for biosynthesis and produce ________ when oxidizing the substrate for energy

A) CH2O (formaldehyde) / CO B) CH2O (formaldehyde) / CO2 C) HCOO? (formate) / CO D) HCOO? (formate) / CO2

Biology & Microbiology

True or False: many of the intermediates in the biosynthesis of chlorophyll are themselves capable of absorbing light energy

A. true B. false

Biology & Microbiology

Sieve pores are modification seen in vascular tissue that facilitate the movement of

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Biology & Microbiology

What would result if a cell underwent mitosis but did not complete cytokinesis?

A) one cell with one nucleus containing twice the normal number of chromosomes B) one cell with two nuclei C) two daughter cells with no nucleus D) two daughter cells with too few chromosomes

Biology & Microbiology