Tina drew an animal cell in her science notebook. what’s wrong with the cell?
a)absence of a cell wall
b)absence of a nucleoid
c)presence of chloroplast
d)presence of a vacuole
(plato)

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.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination