What does the operon model attempt to explain?
question 12 options:

a. the coordinated control of gene expression in bacteria

b. bacterial resistance to antibiotics

c. how genes move between homologous regions of dna

d. the mechanism of viral attachment to a host cell

e. horizontal transmission of plant viruses

a. the coordinated control of gene expression in bacteria

Explanation:

An operon in bacteria is a collection/cluster of genes that are under the control of a single promoter. It includes 3 components: a promoter, the genes and an operator. The operator is where a repressor binds, and the promoter is where transcription begins.

Operons allow organisms to control the expression of multiple genes in response to environmental cues

it cools slower in the earth meaning the crystals have more time to form than lava on the surface

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.