Which of the following statements about ph is true? a. the ph scale is a measure of oxygen ion concentration. b. a single unit change on the ph scale is equivalent to a 1% change in hydrogen ion concentration. c. an increase in hydrogen ion concentration means a decrease in ph scale units.

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet

Which methods are the most common for dealing with waste