chp 7

Question 1

anything that has mass and takes up space

Answer 1

matter

Question 2

what is the ultimate source of energy for every living thing

Answer 2

radiant energy

Question 3

what has the capacity to do work(change in state or motion of matter)

Answer 3

energy

Question 4

capacity to do work as a result of postition or state

Answer 4

potential energy

Question 5

energy of motion is used, work is performed

Answer 5

kinetic energy

Question 6

whats the first law of thermodynamics

Answer 6

energy cannot be created or destroyed

Question 7

whats the second law of thermodynamics

Answer 7

when energy is converted from one form to another, some usable energy is converted into heat that disperses

Question 8

what’s the measure of the disorder or randomness of energy

Answer 8

entrophy

Question 9

pathways in which molecules are synthesized from simpler substances

Answer 9

anabolism

Question 10

pathways in which larger molecules are broken down into smaller ones

Answer 10

catabolism

Question 11

substances lose electrons

Answer 11

oxidation

Question 12

substances gain electrons

Answer 12

reduction

Question 13

what’s a nucleotide that accepts hydrogen atoms and their electrons

Answer 13

Flavin Adenine dinucleotide (FAD)

Question 14

proteins that contain iron

Answer 14

cytochromes

Question 15

cells regulate rates of chemical reactions with

Answer 15

enzymes

Question 16

what increases the speed of chemical reaction without being consumed by the reaction

Answer 16

enzymes

Question 17

enzymes bind to (what) to position substrates close together to speed up the reaction

Answer 17

active sites

Question 18

binding of substrate to enzymes causes a change in shape to enzyme is called

Answer 18

induced fit

Question 19

a specific gene directs synthesis of each type of enzyme

Answer 19

gene control

Question 20

what keeps the enzyme in it active shape

Answer 20

allosteric inhibitors

Question 21

result in a function active site

Answer 21

allosteric activators