Mary can only receive blood from O+ & O- blood group but not from her husband (B-) or daughter (B+).
<h2>Description of Mary's blood group</h2>
Mary's blood group is O+ as her husband is B- and her daughter is B+.So, it can be said that the daughter's positive(+) antigen should come from her mother (Mary).
AS O blood groups lack A and B antigens, it can donate blood to all other groups and cannot receive from all groups as it has A and B antibodies in the serum.
<h3>Universal Donor</h3>
- Blood donors with type O- (O negative) red blood cells are known as universal donors, because their red blood cells may be used by people of any blood type.
- Transfusions from O-positive(O+) or O-negative(O-) blood types are the sole options for those with O-positive (O+) blood.
Therefore it can be concluded that Mary's blood group is O+ and she can receive blood from O+ and O- groups only.
Learn more about universal donors here:
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Answer: Chemical bonding
Explanation: Bonding by sharing electrons is known as covalent bonding and bonding by transferring electrons is known as ionic bonding. Both are a type of chemical bond that bond elements together into molecules.
<span>A diseases may be classified as either communicable or non-communicable. Communicable diseases are caused by pathogens who inhabit a host, man (I'm not saying man is the only host or man is necessarily the final host; there could be many host) who in turn passes the disease to another. Pathogens are viral, bacterial, parasitic and fungal. There are several stages before the pathogen metamorphoses into a full-blown disease. The stages in which several events happen builds up before the pathogen affects the final host is called a communicable disease chain. There are six stages ( Pathogen, reservoir, portal of ext, mode of transmission, portal of entry and susceptible host) in the communicable disease chain but the step a nurse shouod take is
1. Destroy the second link (Reservoir) by thoroughly sanitizing the environment. Obviously, this is where the Pathogens live. If the reservoir is taken care of; there's no way they could infect the host.</span>
Explanation:
viruses may contain very small cells viruses can produce them quickly when they get a mode of transmission viruses have hyphae BUT viruses never eat any food so second statement is true....
C) are capable of living independently.
Organelles are NOT capable of living in their own. Cells are the smallest units of life.
