Answer:
The suitable option will be - A.
A. lactose levels are high and glucose levels are low
Explanation:
It is a operon that is regulated by a set of genes and is regulated altogether and is transcribed into a single RNA in the presence of lactose.
- It is mainly found in E.coli. Lac operon is mainly used for lactose metabolism. There are 3 genes in this system - lacZ, lacY, and lacA.
- LacZ codes for β-galactosidase which cleaves lactose into glucose and galactose. LacY codes for Beta-galactoside permease, which helps in the entry of lactose in the cell. LacA codes for Galactoside acetyltransferase.
The ground tissue of a plant is responsible for storing carbohydrates produced by the plant. If the plant lacked ground tissue it would lose carbohydrates and lack nutrient storage
Chymotrypsin
pepsin
and trypsin
hope u found this useful
Answer:
Sister chromatids. (Ans. B)
Explanation:
Sister chromatids are defined as the identical chromatids formed by the DNA replication of the chromosome, both copies of chromatids are joint together by a centromere. A pair of chromatids are known as dyad.
A set of sister chromatids formed during the S phase or synthesis phase of interphase, while all the chromosomes present in a cell is replicated. During the process of mitosis, or second division of meiosis the two sister chromatids are gets separated from each other into two different daughter cells, and each cell receives one copy of the chromosomes.
They either frow on other organisms and get there food or they eat it feom a dead animal