Which of the following best describe the role of producers in the ecosystem.

2. your driving record a. is totally confidential. b. may be available to the public. c. is available only to your employer with your authorization.

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?

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?