Number 2 is B the sea level rising
Number 3 is C the lightbulb
Number 4 is D carbon dioxide
Answer:
To the operator of the operon
Explanation:
A repressor binds to the operator of the operon. This blocks the attachment of RNA polymerase to the promoter, preventing transcription of the genes.
You can see the different elements of the operon and the region where the repressor binds in the image below (lac-operon):
One of them is glove....And what are the other choices?
I think the correct answer would be the first option. It is the carbohydrates that is used as markers by cells to help recognize each other. Sugar chains are being used by the cells which are found on the outer membrane to help identify other cells.
Germ cells contain a complete set of 46 chromosomes (23 maternal chromosomes and 23 paternal chromosomes). By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cell
