test 2 matching

Question 1

_______ are the ecosystems consumers

Answer 1

heterotrophs

Question 2

in a redox reaction, the substance receiving the electrons is ________

Answer 2

reduced

Question 3

_______is an electron carrier produced in the citric acid cycle

Answer 3

NADH

Question 4

the reactant an enzyme acts on is the _______

Answer 4

substrate

Question 5

_____ is split during the light reactions to fill the electron hole

Answer 5

water

Question 6

a ______ is a chemical agent that changes the rate of reaction without being consumed by the reaction

Answer 6

catalyst

Question 7

the citric acid cycle takes place in the _______

Answer 7

mitochondria

Question 8

glycolysis occurs in the __________

Answer 8

cytoplasm

Question 9

the “end product” of the citric acid cycle is ________

Answer 9

oxaloacetate

Question 10

a reaction that has a negative delta-G is _________

Answer 10

exergonic

Question 11

a reaction that has a positive delta-G is ____________

Answer 11

endergonic

Question 12

________ is the final electron acceptor in the electron transport chain of cellular respiration

Answer 12

oxygen

Question 13

in the mitochondria ________ is converted to Acetyl CoA. This is also the end product of glycolysis.

Answer 13

pyruvate

Question 14

___________ is an allosteric enzyme involved in regulating cellular respiration.

Answer 14

phosphofructokinase

Question 15

in the citric acid cycle, ________ combines with oxaloacetate to form citrate

Answer 15

Acetyl CoA

Question 16

ATP synthesis uses the flow of _______ to produce ATP

Answer 16

hydrogen

Question 17

cells that contain two sets of chromosomes are __________

Answer 17

diploid

Question 18

energy comes into the ecosystem as __________ energy

Answer 18

light

Question 19

in ______ fermentation pyruvate is converted to ethanol in 2 steps

Answer 19

alcohol

Question 20

the mechanism that occurs when an enzyme transfers a phosphate group from a substrate molecule to ATP is called _________ phosphorylation

Answer 20

substrate-level

Question 21

enzymes speed up reactions by lowering the ________ energy needed for the reaction to occur

Answer 21

activation

Question 22

_______ is a byproduct of cellular respiration (and serves as a carbon source for the production of organic molecules during photosynthesis)

Answer 22

CO2

Question 23

________ is the dividing of the cytoplasm

Answer 23

cytokinesis

Question 24

__________ is the spread of cancer cells to distal locations

Answer 24

metastasis

Question 25

cells that contain a single set of chromosomes are ________

Answer 25

haploid