Nails are made of iron because, iron is strong and sturdy; although nail rust when it undergoes oxidation when expose to water but it is not explosive.
Barium and phosphorus are not suitable for nail making because of their properties.
Barium is an element which reacts with virtually all non metals, forming poisonous products which are dangerous to health and to the environment. It also reacts explosively with water.
Phosphorus is not found in its pure form in nature, it conducts electricity and it is combustible in nature.<span />
Answer:
A. To enter sulfur dioxide to enter into the cell
Answer:
i would say A. Both are needed as a reactant of cellular respiration.
Explanation:
While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. ... Without oxygen, much less ATP would be produced.Aug 31, 2018
Helicase breaks hydrogen bonds of the DNA helix. Therefore it “unzips” the DNA helix and separates the strands for free complementary RNA strands which use the strands as a template during replication.
Answer:
The incorrect assertive is letter C. it forms pseudopodia for mobility.
Explanation:
The glycocalyx or glycocalyx is a wrapper outside the plasma membrane present in animal cells and some protozoa. The term glycocalix derives from the Greek glykys, sugar, and the Latin calyx, bark, a sugar peel. It consists of lipid-associated carobhydrates, commonly called glycolipids, and protein-associated caroboidates, called glycoproteins.
According of all functions we have about glicocalix, the assertive letter C is the only is not a function about this structure. The other ones, like allows bacteria to stick to a host or the environment, biofilm formation and protection a bacteria about the drying out process are function of the glycocalix.
