Amutation in the gene encoding the lactose repressor (laci) that prevents lactose from binding to the laci protein would result in a. constant expression of the lac operon in the presence of lactose. b. constant repression of the lac operon in the presence of lactose. c. constant expression of the lac operon in the absence of lactose. d. constant repression of the lac operon in the absence of lactose.

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Isolated volcanic peaks on the ocean floor are