Answer:
1) Aa refers to the heterozygous of the genes. In this gene, both allele are different from one another.
2) AA is a gene which is homozygous in nature. Homozygous means that both allele are the same. Capital letters i. e. AA is used for the trait that is dominant.
3) aa is a gene which is homozygous in nature. Lower case letters i. e. aa is refer for the trait that is recessive.
I think the answer is enzyme
Answer:
A. damaged her peripheral nervous system because the information regarding taste cannot be transmitted back to her brain.
Explanation:
The nervous system is an important system of our body and is directly related to our survival. This system is linked to the coordination of the organism's various activities and is also responsible for allowing the interpretation of the environment around us.
The nervous system is an important system of our body and allows us to have emotions, to remember an important moment in our lives, to interpret smells, tastes and images, to make movements and even to stay alive through the automatic breathing and heartbeat.
Taste, that is, the sense of taste is directly linked to the peripheral nervous system. For this reason, if Stacey has lost her sense of taste, we can conclude that she has damaged her peripheral nervous system because taste information cannot be transmitted back to her brain.
Answer:
a. deterioration of neurons that produce the neurotransmitter acetylcholine.
Explanation:
Alzheimer's disease -
It is a disease associated with memory , it is a type of dementia .
The initial stages of the disease is the remember new things , the day to day task becomes very difficult with time .
During this disease the neurons get deteriorated day by day , which are responsible to produce the acetylcholine .
Hence , the correct statement about Alzheimer's disease is ( a ) .