Determine the molecular formula for the unknown if the molecular mass is 60. 0 amu and the empirical formula is ch2o.

The chart below matches messenger rna codons with amino acids. a dna strand has the sequence of bases, aat. according to the chart, the corresponding messenger rna codes for which amino acid?

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions