The correct answer is I’m just doing this for points shehdheh ye
<span>The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell</span>
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).
It is known as the Cell Membrane. It comprises of a lipid bilayer with installed proteins. The essential capacity of the cell film is to shield the cell from its environment. The cell layer controls the development of substances all through cells and organelles. Along these lines, it is specifically porous to particles and natural atoms.
