Which of the following is not true of meiosis?
a. meiosis produces two identical daughter cells.
b. meiosis is the process where a diploid organism produces haploid gametes.
c. during meiosis, the number of chromosomes in a diploid cell is reduced by
d. meiosis takes place in two stages, meiosis i and meiosis ii.

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.

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism