Answer:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.
<span>Being male, the levels of the hormone Testosterone
is higher in Paulo’s body than in his sister, Liette’s body. As a result of the
higher testosterone levels in Paulo’s body, it’s reasonable to expect him to
experience greater physical aggression than his sister.</span>
True
All flatworms rely on diffusion for respiration, excretion and circulation
1. The main advantage of keeping some DNA in the mitochondria is that it helps in creation of some mitochondrial proteins. Other advantages are as follows:
2. It gives an advantage to the mitochondria to function as individual cellular machinery.
- The gene expression begins with the transcription of genetic material in the form of DNA into RNA the RNA is converted into proteins by the process of translation.
- These models are useful in understanding each stage in the mitosis process the mitosis is an equational division because it allows the transfer of equal number of chromosomes to the progeny as that of parents.
Learn more about mitosis:
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