Answer:
Lactose present, glucose absent.
Explanation:
Lac operon may be defined as a cluster of genes that regulate the metabolism of lactose in bacteria. The bacteria always prefer glucose if both glucose and lactose is present in the medium.
The conditions that causes the maximal expression of lactose is the presence of lactose and absence of glucose. This is due to the action of catabolite activator protein and cyclicAMP.
Thus, the correct answer is option (1).
Answer:
This can only be due to the fact that the Universe is expanding. Further, by measuring the distance to the galaxies, one finds that the velocity of recession is proportional to the distance of the galaxy from us. This is called Hubble law after Edwin Hubble who was the first to discover it.
Answer:
facilitated diffusion
Explanation:
type of passive transport but uses proteins also
Answer:
its pollination but its not gametognesis I might be wrong but I'm trying my best so I hope dis helps :3
Your answer is FALSE, tissues that work together form an organ. Organs that work together form a organ system
hope this helps
