Identify the processes that occur during the electron transport chain.
(Select all that apply.)
A. Carbon dioxide is released.
B. Protons are moved across a membrane against their concentration gradient.
C. Oxygen is produced as a waste product.
D. Electrons are removed from the carrier molecules NADH and FADH2.

What element is able to combine with itself and hydrogen to form large molecules ?

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain