Answer:
The correct answer is - red blood cells are biconcave.
Explanation:
RBC or the red blood cells are the cells that play an important role by many means such as transferring nutrients, hormones, and oxygen throughout the body. The transfer of the oxygen is accompanied by the help of hemoglobin, a protein that carries oxygen and takes it to the different sites in the body.
These cells are biconcave which helps them to provide more cell surface area to grab or attain maximum space for hemoglobin which helpful in oxygen significant oxygen-carrying capacity of Red blood cells.
Thus, the correct answer - red blood cells are biconcave.
*The nycleus: contains the heredity materials i.e the chromosomes, DNA, RNA etc...
*The cytoplasm: contains all the organelles...
*The cell membrane: holds all the cell structures in place...
I hope it helps!!!
Answer:
Homeotic genes controls the identity of body parts and the proteins it codes for are transcription factors. Mutations of the homeotic genes cause structures to form in the wrong place. Hox genes are responsible for directing the body plan along the AP axis and the proteins it codes for are transcription factors.
The element cadmium (Cd) is in
the 5th row and the 12th column of the periodic table. Cadmium is
the chemical element that has the atomic number of 48. It is a soft bluish
white metal that is similar in nature to other metals of Group 12 like Zinc and
Mercury. It is a metal that has a very low melting point compared to other
transition metals. It was discovered in the year 1817 simultaneously by 2
German scientists Stromeyer and Hermann.