Atoms are neutral and have no charge but when they lose or gain electrons they gain a negative or positive charge and are then called

What macromolecule stores energy for a organism

A gymnast complains of pain in the medial aspect of her right tibia. There is pain before, during, and after activity. Assessment rules out a stress fracture, and the injury is determined to be a grade 3 medial tibial stress syndrome (MTSS).

Vaccinations play a major role in medicine today. explain the role of vaccines in the prevention of disease.

Primary producers are in terrestrial ecosystems and in marine ecosystems. True or False

What important molecules does the nucleus contain?

In dna molecules, complementary base pairs always include one purine nucleotide and one pyrimidine nucleotide. in the dna of certain bacterial cells, 16% of the nucleotides are adenine nucleotides.

According to this dichotomous key, any catfish must have a double dorsal fin, a small fin on the back near the tail, and barbs near the mouth. a single dorsal fin, no small fin on the back near the tail, and barbs near the mouth.

What characteristics made Charles Darwin well suited for science?

What is habitat quality

Which type of substance is an environmental contaminant that causes harm to living organisms?