How are roots important to a plant a. they support the leaves and flowers b. they store food and take in water c. they move water and minerals into leaves d. they make food for the plant

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.

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above