The correct answer is <span>b. a mother holding a baby.
Babies could be fragile. Thus, it will require an effort when one is holding a baby in their arms. This is because they should be strong and firm at the same time they should be soft and comfortable for the baby. Also, a mother's touch is different. So the best work done in arms is </span><span>b. a mother holding a baby. I hope that this answer helped you. </span>
The correct answer is A. Lac repressor.
Lac repressor prevents lac gene which are found in the DNA of Escherichia Coli from being expressed for many times.
Lac repressor is termed as DNA which binds proteins. It allows the expression of genes from coding which are made for proteins to be involved in metabolism of lactose which is in bacteria.
When there is no lactose which is available in the cell, then the genes are being repressed. Lactose are being converted to allolactose if they are available.
I’m not sure but I think it’s the sebaceous glands
Root hairs are important to a plant because they increase the surface area for absorption. i really hope this helps.
