What kind of substance accepts an electron pair? A. alkali B. hydroxide ion C. base D. acid

Crossing over ocurrs metosis or miosis

Flags are used as a reminder. the flag could be either medical or informational in nature. list 2 examples of commons flag usage in the primesuite system.

Explain why plate boundaries are sites of volcanic activity and earthquakes.

Four friends were talking about human DNA, genes, and chromosomes. They each had different ideas about where these structures were found. This is what they said. Bella: "I think DNA is found on genes." Kyra: "I think chromosomes are found on genes.

Is the sentence true or false? a physical change never alters the form or appearance of a substance?

A structure on a cell that binds with something, like a hormone is called a (n) A. catalyst B. protein C. receptor D. axon

Which statement is true? A. Lipids are a type of fat. B. Fats are a type of lipid. C. Fats and lipids are separate and unrelated substances. D. All lipids are fats, and all fats are lipids.

What is the difference between a car and a human being?

In a hypotonic solution, an animal cell will?

Which fossil organism in whale evolution do you think was the first to live mostly in water?