Bioenergetics Basic Energy Systems

Question 1

what are te 3 atop synthesis pathways

Answer 1

ATP - PCr
Glycolytic
Oxidative

Question 2

How long is just ATP last, what is it used for

Answer 2

4 seconds
maybe a golf swing

Question 3

How longis ATP PCr last, what is it used for

Answer 3

15-20s
short sprints

Question 4

how long is ATP,PCR, and Glycolysit last, what is it used for

Answer 4

2 min
basketball

Question 5

how long is oxidative, what is it used for

Answer 5

long time
long dist. running

Question 6

are you usually only getting energy from 1 system

Answer 6

no, there are always contributions from all 3 systems, never solely just one

Question 7

where does ATP PCR occur

Answer 7

in the cytosol of the cell

Question 8

is atp pcr anaerobic or aerobic

Answer 8

anaerobic

Question 9

Is ATP PCr the most powerful or highest capacity

Answer 9

most powerful, least capacity

Question 10

main enzyme for ATP PCr

Answer 10

Creatine Kinase

Question 11

RLE in ATP-PCr

Answer 11

Phosphocreatine

Question 12

is anaerobic glycolysis fast or slow

Answer 12

fast

Question 13

how many steps are there in anaerobic glycolysis

Answer 13

10

Question 14

what is anaerobic glycolysis breaking down

Answer 14

glucose of glycogen

Question 15

where does anaerobic glycolysis occur in the ceell

Answer 15

the cytosol/cytoplasm

Question 16

what happens in the cytoplasm of a cell/which 2 energy systems

Answer 16

ATP-PCR and anaerobic glycolysis

Question 17

RLE in anaerobic glycolysis

Answer 17

phosphofructokinase (Pfk)

Question 18

what steps are ATP used in anaerobic glycolysis

Answer 18

steps 1 and 3

Question 19

what steps are ATP produced in anaerobic glycolysis

Answer 19

Steps 7 and 10

Question 20

what step is NaDH produced in anaerobic glycolysis

Answer 20

step 6

Question 21

what is special about everything after step 4 of anaerobic glycolysis

Answer 21

everything happens 2 times

Question 22

net gain of 1 glucose/glycogen through anaerobic glycolysis

Answer 22

2/3

Question 23

what are the fates of lactate

Answer 23

liver (glucose for energy with cori cycle), heart (oxidized for energy),
or muscles (by MC transporters to pyruvate for energy)

Question 24

what are the fates of pyruvate

Answer 24

lactate
or
acetyl coA

Question 25

lactate is pyruvate with an extra what

Answer 25

Hydrogen molecule

Question 26

does lactate cause fatigue?

Answer 26

no, it is because of the H+

Question 27

why is the conversion os pyruvate to lactate helpful

Answer 27

it allows us to help recycle the NAD

Question 28

does lactate have any oxidative capabilities

Answer 28

some

Question 29

do slow twitch muscles have a low or high oxidative capacity

Answer 29

high

Question 30

do fast twitch muscles have a low or high oxidative capacity

Answer 30

low

Question 31

what converts Pyruvate to Acetyl coA

Answer 31

Pyruvate dehydrogenase (Pdh)

Question 32

where in the cell does aerobic glycolysis occur

Answer 32

in the mitochondria

Question 33

What is the first step in aerobic glycolysis

Answer 33

Acetyl coA

Question 34

cytosol steps ----> what------> mitochondria steps

Answer 34

acetyl coA