What is the key concept addressed by the question?

What will be an ideal response?


The question asks about calculating the mass of 3
moles of Li.

Biology & Microbiology

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Fish and crustaceans are similar in that both use _____________ for gas exchange.  

A.  tracheal tubes B.  gills C.  the walls of the mantle cavity D.  the moist surface of their skin E.  lungs

Biology & Microbiology

Agents generating mutation-inducing DNA damage are collectively referred to as ________

Fill in the blank(s) with correct word

Biology & Microbiology

If the sequence of a cDNA has matches with DNA sequences in the genome, then this genomic DNA is likely to _____

A) code for a protein B) code for an rRNA C) be part of an intron D) be a regulatory sequence

Biology & Microbiology

________ is an aerobic chemolithotrophic process that ultimately oxidizes ammonia to nitrate, whereas ________ is a form of anaerobic respiration involving the oxidation of an organic compound using an oxidized nitrogenous compound, such as nitrate, as the terminal electron acceptor.

A. Ammonification; denitrification B. Ammonification; nitrification C. Denitrification; nitrification D. Nitrification; denitrification

Biology & Microbiology