Which five elements make up 99% of biomoleules

When you increased the ramp height did the stopping distance change as compare with the lower ramp height

According to the ph scale, which substance has the highest basicity? a. milk b. oven cleaner c. distilled water d. stomach acid

There are different types of bonds based on electronegativity. One bond type is known as non-polar covalent. Which choice below has this bond type? A. all of the compounds B. H2 C. H2O D. NaCl

Calculate the density of a liquid if 58.9 ml of it has a mass of 46.08 g. answer in units of g/ml.

If the average speed of a helium atom at a certain temperature is 1220 m/s, what is the speed in miles per hour? (1 mi = 1609 m)

All Organisms the energy to function. Which cell organelle provides this energy? A. Nucleus B. Ribosomes C. Chloroplast D. Vesicle

Where can membrane proteins be located? a. entirely within the membrane b. on the surface of the membrane c. in either position d. The position of membrane proteins has never been determined

1. (a) What are the possible interactions between two charged objects?

You are given a substance that is equally soluble in water and hexane, what is the kd

How might you explain the difference between the pH values of the 0.01 M HCl (pH = 1.1) and the 0.01 M HC2H3O2 (pH = 3.6) ?