this app is little fake brcause if today i have 300 points then if i check tomorrow my points goes to 200-220 why I got angry and i do with my

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

Which structure in the cardiovascular system connect arteries to veins?

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient