Page 9 - SAAT BIOLOGY PART 1

SAAT BIOLOGY MR.MOHAMED ELGAYAR MRPROF.NET

• Prions are unusual in that they may be transmitted

through inheritance or between individuals in the same

way, other infectious agents are transmitted.

• It is known that substances from other organisms have

been found to be effective sources of treatments and

medicines for many diseases and ailments. Each of the

other possibilities is likely to adversely affect the host, or

not affect the prions.

• By causing nerve-cell destruction, portions of the brain

of a person with a prion disease are lost. Depending on

which part is infected, often the first signs of the disease

resemble other diseases that affect mental function, such

as Alzheimer's.

• Protists:

• Both large populations and a rapid life cycle increase the

probability of a mutation for antibiotic resistance

occurring

MRPROF.NET MR.MOHAMED ELGAYAR MRPROF.NET@GMAIL.COM 8