Which of these minerals is a metal?

a. sulfur

b. lead

c. gypsum

d. halite

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey