If element X has 49 protons, how many electrons does it have?

place the following levels or organization in the correct order from smallest to largest: organelles, atom, tissue, organism, organ system, organ, molecule, and cell.

A solution that contains more solute than it would normally hold at that temperature is said to be

What did frederick griffith want to learn about bacteria?

Which of the following are examples of maintaining homeostasis? a. A person sweats to cool down. b. A bird fluffs its feathers to retain more heat. С. A lizard stretches out on a sunny rock to increase its internal temperature. d.

What are the structures that contain the DNA of each cell? ribosomes Golgi bodies chromosomes cell membrane

Which gas is a source of natural groundwater pollution im thinking its carbon

How many atoms of each element are in the chemical formula p2 O5

Organisms that have groups of specialized cells organized into organs are always

What is a cell how does it effect the body

A farmer crossed a yellow maize plant (Yy) with another yellow maize plant (YY). He planted 200 seeds from this cross. How many of the plants would be yellow?