Natural movement of gas molecules from high to low concentration; does no use energy

It would take how many moons to equal the mass of the Earth

Why can mitosis be thought of as cellular immortality?

Carlos is a healthy but sedentary college student. he weighs 175 pounds. about how many grams of protein should he consume each day?

What are the four water sources, referred to as "taps," that Sedlak believes will solve our urban water crisis?

Which organelles work together in converting the potential energy of organic compounds into a suitable form for media used by the cell? A, ribosomes and mitochondria B, nuclear and chloroplast C, liposome and vacuole D, Mitochondria and chloroplasts

What was the purpose of the vinegar in the third trial? a. test the effect of raising pH on enzyme action b. test the effect of lowering pH on enzyme action c. serve as a control d. served no purpose

How do substances move in passive transport?

Atmosphere: is mostly made of nitrogen is weightless protects earth from harmful radiation contains water vapor is affected by events in the hydrosphere

According to this species-area curve for reptiles and amphibians on a west indian archipelago, a 50% decrease in area will change the number of species living in the remaining area by

How do organelles interact within a cell