B. a parent cell divides twice to create four haploid gametes
To give vitmains and minerals to humans and other creatures
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):
Answer;
-They cause diseases that are diagnosed by finding microscopic eggs in clinical specimens.
Explanation;
-Parasitic worms are organisms that live in and feed off a living host. There are a variety of parasitic worms that can take up residence in humans. Common types of intestinal worms include: flatworms, which include tapeworms and flukes. roundworms, which cause ascariasis, pinworm, and hookworm infections.
Microbiologists study parasitology which is the study of the relationship between parasites and their hosts. Parasites causes important diseases of human, animals and even plants. The study makes important step-forward in mission to tackle parasitic worm infections.
Would need a strong background in biology and ... B. Chemistry