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Flashcards in Metabolism Deck (22)
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1

sum of all chemical reactions in the body

metabolism

2

break down large chemicals and release energy

catabolism

3

build up large chemicals and require energy

anabolism

4

acquisition and consumption of food

ingestion

5

convert food into a usable soluble form

digestion

6

passage of nutrient molecules through the lining of the digestive tract into the body proper by diffusion or active transport

absorption

7

build up of new tissues from digested food materials

assimilation

8

use oxygen to convert glucose into ATP

respiration

9

removal of water products produced during metabolism

excretion

10

creation of complex molecules from simpler ones

synthesis

11

the steady state of the internal environment

homeostasis

12

ability to respond to a stimulus and is part of regulation

irritability

13

conversion of chemical energy in molecular bonds into usable energy

respiration

14

refers to the entrance of air into the lungs and the gas exchange between the alveoli and blood

external respiration

15

exchange of gas between the blood and the cells and the intracellular processes of respiration

internal respiration

16

-- are the favored fuel molecules in living cells

carbohydrates and fats

17

-- bond is energy rick

C-H

18

carbon dioxides contains -- energy and is the stable, energy-exhausted end product of respiration

little usable energy

19

during respiration, high-energy hydrogen atoms are removed from organic molecules

dehydrogenation (oxidation rxn)

20

acceptance of hydrogen by -- is the reduction component of the redox reaction

oxygen

21

energy released by reduction is used to form a high-energy -- bond in ATP

phosphate

22

reductions occur in a series of small steps called

electron transport chain