REALLY NEED HELP, PLEASE *If you don’t know the answer, no point of posting something and getting points*

Question number 1 is on the photo below

2. The gene that regulates the production of the Laci protein is found further upstream of the lac operon.

Explain the
potential ramifications to the functioning of the lac operon and the production of its products under the following
conditions:

a) A mutation is found in the Lacl gene
b) A mutation is found in the second gene of the lac operon
c) The RNA polymerase has difficulty binding to the promoter

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases

Which is a function of the central nervous system