<span>The factors that are responsible for the ABO blood type, or the Rh, are located on the surface of the red blood cells, also known as erythrocites. They are used to deliver oxygen to the body tissues. </span>
As soon as the mRNA reached in the cytoplasm, it is fastened up by tiny protein-assembly mechanisms which is known as ribosomes. These attached ribosomes create proteins that will be castoff in the cell and proteins prepared for spread out of the cell.
Answer:
The correct answer is embroynic stage
Explanation:
The prenatal development is divided into three stages germinal stage, embryonic stage and fetal stage. The period of two weeks after fertilization is called the germinal stage. In this stage, the zygote divided and gets implanted in the uterine wall.
The embryonic stage starts for two weeks and lasts up to 8 weeks after fertilization. At this stage, the cell mass is called embryo. In the embryonic stage, the basic brain structure, CNS, PNS are developed. All the basic organs and body parts develop in this stage except sex organs. So the right answer is the embryonic stage.
Answer:
Protection from infection known as species resistance is a result of both the absence of necessary receptors and lack of suitable environment in the body.
1.) <span>To be useful, a scientific name has to refer to all living species.
</span>2.) Several different classes make up a <span>phylum.
3.) </span>Which are the two highest-level taxa in the Linnaean system? phylum and kingdom.
4.) <span>Animals that are warm-blooded, have body hair, and produce milk for their young are grouped in the class Amphibia.
5.) </span><span>The only "natural" taxa in Linnaeus's system is the </span><span>species.
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