The purpose of regulation of the trp operon in bacteria is to ensure the cell can digest tryptophan if it is present and the cell is short on energy
Indicate whether the statement is true or false
FALSE
Explanation: The purpose of regulation of the trp operon is only to make the gene products necessary for the synthesis of tryptophan if there is not enough tryptophan present in the cell, as it is an essential amino acid.
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The most common metabolic waste product is ____
a. urea b. carbon dioxide c. ammonia d. oxygen e. electrolytes
The protists are grouped together simply for convenience. Why are they not considered to be in a specific taxon such as a kingdom or a phylum?
What will be an ideal response?
Which of the following is an important mineral ion that is a component of chloroplasts and stabilizer of membranes and ribosomes?
A. calcium B. zinc C. magnesium D. iron E. potassium
Which systems help to adjust the blood's acid-base balance?
A. muscular and skeletal B. respiratory and skeletal C. respiratory and urinary D. cardiovascular and muscular E. cardiovascular and urinary