Dark-colored, relatively flat regions of the Moon's surface that were formed when interior lava filled large basins are called

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant