The answer is B. The planets were all formed from dust that was orbiting around the sun.
There could be several orgins
Answer:
The correct answer is B An enzyme binds to the substrate at enzyme"s substrate site.
Explanation:
Enzyme is proteinecious in nature and act as homogenous biological catalyst.Enzyme contain an active site or substrate binding site to which specific substrate binds.
The active site of an enzyme contain many amino acids such as cystein,histidine,aspartic acid ,glutamic acid.These amino acids contain functional groups such as -SH group,-OH group,-COOH group. These functional group facilitate the binding of substrate to the active site of an zymes.
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 ) .
Answer:
D
Explanation:
Seeing as the gene is dominate, the hair would still be white evening it's Ww. For the hair to be a different color both parent would need a recessive gene (w), though neither does, meaning all the kids would have white hair.
