What is the significance of the atomic number, Z, above each atomic symbol in the periodic chart

The organelle (s) unique to muscle that give (s) it contractile capabilities is (are) the mitochondria. myofibril. ribosomes. golgi apparatus. endoplasmic reticulum.

How do intrusive rocks form?

What arguments would you use to justify calling the mitochondria the "powerhouse" of the cell?

Which fact is the basis for using the fossil record as evidence that evolution has taken place? A. In undisturbed layers of rock strata, the older fossils are found in the deeper layers. B.

Muscular arteries A) Have a tunica media with a high density of elastic fibers B) Are larger than elastic arteries and smaller than arterioles Collect blood from capillaries C) Are exemplified by the vena cava D) Have a thick tunica media with a

The cell contains 78% water, 12% salt, and 10% other materials. The solution it is in contains 95% water, 3% salt, and 2% other materials. what is the solution?

Winds that cause ocean currents can be affected by the Coriolis effect, resulting in upwelling currents. How would an upwelling current increase the abundance of aquatic organisms?

Pretest Question 1a of 32 Which of the following molecules carries genetic information that determines the physical characteristics that organisms inherit?!

Which of the following is part of asexual reproduction? A. fertilization B. One parent organism C. Two parent orginisms D. Meiosis

When a farmer breeds only his or her best livestock what is this process called?