Answer:
The Lac repressor is preventing genes being expressed most of the time.
Explanation:
The Lac repressor protein, LacI, prevents the transcription of genes involved in lactose utilization.
pretty sure i'm wrong but my guess is that its D because it would make the most sense
Answer:
reptiles, birds and animals
Explanation:
amniotes are animals whose embryo develops in an amnion and chorlion and have an allanton.
they lay their eggs on land or retain them within the mother.
