The cAMP receptor protein (CRP) is said to be responsible for positive regulation of the lac operon because

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Which codon is the code for the amino acid histidine (his)?

What organ systems are working to you cool down after a workout?