Sally does not exercise. she is 78 years old. she tends to eat on the go and eats a lot of food that is high in calories and fat. she takes daily calcium and vitamin d supplements. she tends to avoid interacting with other people and spends most of her time alone. based on all the characteristics of her current lifestyle, what disease does sally’s lifestyle support?
a)alzheimer’s disease
b)osteoporosis
c)influenza
d)hantavirus

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Which beat describes the brain stem

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna. nothing should be altered. the ph should be decreased. the temperature should be raised.