Answer:
I think it might be d. phosphorus deficiency
Ftsz, mreb, and cres ,proteins regulate the shape and structure of bacterial prokaryotic cells. These proteins are homologous to the Cytoskeleton in eukaryotes. Homologous meaning they have the same evolutionary origin but not necessarily having the same function. Cytoskeleton forms a framework for the movement of organelles around the cytoplasm, most organelles are attached to the cytoskeleton.
Prothallus represents a gametophyte in the life
cycle of fern.
<span>A prothallium, or </span>prothallus<span> (from Latin pro = forwards and Greek θαλλος
(thallos) = twig) is usually the gametophyte stage in the life of a fern or
other pteridophyte. Occasionally the term is also used to describe the young
gametophyte of a liverwort or peat moss as well.</span>
The correct answer between all
the choices given is the second choice or letter B. I am hoping that this
answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.
A deficiency of iodine results in <span>cretinism </span><span>in children.
</span>
Iodine is needed by thyroid glands to make hormones. Deficiency in iodine will disrupt thyroid gland activity, resulting it works harder and the glands might be enlarged and causing hypothyroid. Thyroid glands is needed for growth, disruption in this gland will cause delayed growth (cretinism)