At the time of infection with HIV, the higher the number of CD4+ cells that become damaged, the weaker the immune system becomes and the less able a person is to fight off infection and disease. Eventually, this results in the development of AIDS.
When touching things, like a dog, it will send your brain a signal of what the dog feels like and the brain send it back to your hand.
Hope this helps!
-Payshence
Answer:
D) Alleles
Explanation:
Different versions of a gene are called alleles. Alleles are described as either dominant or recessive depending on their associated traits.
Answer:
breaking down substances within the cell
Explanation:
there are many different types of vesicles, Peroxisomes and lysosomes are both types that break down substances in the cell
Answer to this question has not been found.
It is one of the questions used in DARPA contest held in 2008. Scientists couldn't solve it. I am afraid neither Brainly community will ;)