Which is an example of a physical change?

(a) Wood Rots

(b) a nail rusts

(c) Gasoline ignites

(d) water evaporates

Which of these names the cellular process that begins with the breakdown of organic compounds (such as glucose) and continues with turning the resulting pyruvic acid into a waste product and two molecules of ATP?

What level of protein structure is created during protein syntheisis?

Which part of a scientific argument must be supported by valid data? a. claim b. evidence c. reasoning d. theory

How does proteolysis differ from hydrolysis and digestion?

Which statements explain the gas exchange that happens at the alveoli? Check all that apply.

Which statement best describes the process of chemiosmosis and the direct result of its occurrence? A. The choices are Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma.

Describe how human activities threaten polar bears in the arctic

What did Mendel cross pollination of pea plants prove

Which type of rock is created when lava cools and hardens? A. igneous B. sedimentary C. metamorphic D. cement

Name 2 ways the diffusion of popular customs can adversely affect the environment