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

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".