EBIO 1210 Lecture Notes - Lecture 9: Chloroplast, Vascular Bundle, Becquerel

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lavendermosquito687

25 Jun 2018

School

CU-Boulder

Department

Ecology & Evolutionary Biology

Course

EBIO 1210

Professor

A L L

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Evolutionary importance of Glywlysis

:08

-most common metabolic pathway among organisms

on Earth

Early prokaryotes may have used glywysis to produce ATP when early earth had limited oxygen

-occurs in cytosol so doesn't need organelle

-Concluded To be very ANUENT proves

why only glucose ?<answer ,it'snot !

-e- used in respiration can come from many kinds of organic molecules

Mostly carbs but late &proteins too !

-fats digested to glycogen (used

iwgywlysiu)&fatty Arias lused to mate Acetyl

-WA

-Amino kids can be used in glywwgsis or uitviv Acid cycle

why do we need

oxygen

= TEMMNAL Electron ACCEPTOR

-lek

aus do their job . ..so we can live

lnhibitors of OXHNKNE phosphorylation :

cyanide

:winds to protein complex Nof Etc &mouth e- transfer

-Dinitto

phenol :binds to protons &diffuses across an membrane Hu houporar

-sold as unregulated weightless drug ,lethal Faldo

-ougomyin

:antibiotic nouns Atp synthase protein channel

LECTUREO9i 06 .15.18 09

carbon cycle

photosynthesis only one diveued towards turn

MIMOSYNTHEIK ORGANISMS =producers or Autotopns

photosynthetic equation

6Wz +IVHZO +lightenergy

2he Hiv 06 +60 ,

+6h20

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Document Summary

Early prokaryotes may have used occurs in cytosol so doesn"t glywysis need to produce. Atp when early earth had limited oxygen organelle. Anuent proves why only glucose answer it"snot e- used in respiration can come from many kinds of organic molecules. Mostly carbs but late proteins too ! fats. Amino digested kids can to glycogen in be used ( used iwgywlysiu glywwgsis or uitviv fatty. Acceptor oxygen lek aus do their job . so we can live lnhibitors of. Dinittophenol binds to protons diffuses across an membrane. Hu houporar sold as unregulated weightless drug , lethal ougomyin antibiotic nouns. 09 carbon cycle photosynthesis only one diveued towards turn. Nthems converts light energy to chemical energy of food occurs mainly. Wr enters or exits leaf through pores called. In monoplanes grown twin inside chloroplast connected membranous bats tuylhfoid quoted uuorophyu pigment that gives leaves color. Dependent teaitions photo in thghatoid membrane convert solar to chemical.

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QUESTION 1

Which of the following is the correct order of the three stages of cellular respiration?

	a.	Krebs cycle, glycolysis, electron transport
	b.	electron transport, glycolysis, Krebs cycle
	c.	Krebs cycle, electron transport, glycolysis
	d.	glycolysis, Krebs cycle, electron transport
	e.	electron transport, Krebs cycle, glycolysis

1 points

QUESTION 2

Consider a bacterial cell that performs anaerobic respiration. If that bacterial cell had access to six molecules of glucose to use, how many ATP molecules would it be able to produce?

	a.	2
	b.	34
	c.	36
	d.	6
	e.	12

1 points

QUESTION 3

The oxygen that organisms need to live is used exclusively in which of the following metabolic pathways?

	a.	Electron transport chain
	b.	Anaerobic respiration
	c.	Glycolysis
	d.	Krebs cycle
	e.	ATP-Synthase

1 points

QUESTION 4

The electron transport chain uses the energy in NADH and FADH₂ to pump H⁺ ions from the matrix to the innermembrane space. The H⁺ gradient is then used to power ATP-Synthase. Enough H⁺ is pumped from the energy in a molecule of NADH to produce ______ ATP molecules, while enough H⁺ is pumped from the energy in a FADH₂ molecule to produce ______ ATP molecules.

	a.	three; two
	b.	three; three
	c.	two; two
	d.	two; three

1 points

QUESTION 5

Which of the following list contains only products of cellular respiration?

	a.	glucose, oxygen, ADP
	b.	ATP, carbon dioxide
	c.	oxygen, ADP, carbon dioxide
	d.	ATP, glucose, oxygen
	e.	glucose, ATP

1 points

QUESTION 6

What powers the enzyme ATP-Synthase?

	a.	NADH molecules
	b.	oxygen (O₂)
	c.	ATP
	d.	NADH and FADH₂ molecules
	e.	The H⁺ gradient between the matrix and inner-membrane space

1 points

QUESTION 7

Organisms exist which are able to survive using only glycolysis (i.e. without using oxidative phosphorylation).

True

False

1 points

QUESTION 8

Each ADP molecule contains ________ phosphates, and each ATP molecule contains ________ phosphates.

	a.	three; three
	b.	two; two
	c.	one; two
	d.	two; three
	e.	one; three

1 points

QUESTION 9

Adding a phosphate group to ADP to form ATP is an endergonic reaction.

True

False

1 points

QUESTION 10

The majority of ATP produced during cellular respiration is produced during glycolysis.

True

False

1 points

QUESTION 11

Glycolysis occurs:

	a.	on enzymes located in the inner-membrane.
	b.	in the cytosol.
	c.	in the inner-membrane space.
	d.	in the nucleus of the cell.
	e.	in the matrix of mitochondria.

1 points

QUESTION 12

Muscle soreness associated with strenuous exercise is due to:

	a.	the production of alcohol during anaerobic respiration.
	b.	a buildup of lactic acid.
	c.	an excessive amount of ATP that builds up during exercise.
	d.	the large amounts of CO₂ building up in the muscle.

1 points

QUESTION 13

A required reactant for glycolysis is:

	a.	the electron transport chain.
	b.	carbon dioxide.
	c.	oxygen.
	d.	NAD+.
	e.	mitochondria.

1 points

QUESTION 14

NADH is produced in all of the following except:

	a.	the electron transport chain.
	b.	the Krebs cycle.
	c.	glycolysis.

Question 1 Organisms exist which are able to survive using only glycolysis (i.e. without using oxidative phosphorylation).
True
False

Question 2 Glycolysis occurs:
a. in the matrix of mitochondria.
b. in the inner-membrane space.
c. in the cytosol.
d. in the nucleus of the cell.
e. on enzymes located in the inner-membrane.

Question 3 Muscle soreness associated with strenuous exercise is due to:
a. the large amounts of CO2 building up in the muscle.
b. an excessive amount of ATP that builds up during exercise.
c. a buildup of lactic acid.
d. the production of alcohol during anaerobic respiration.

Question 4 Each ADP molecule contains ________ phosphates, and each ATP molecule contains ________ phosphates.
a. two; three
b. two; two
c. three; three
d. one; three
e. one; two

Question 5 The oxygen that organisms need to live is used exclusively in which of the following metabolic pathways?
a. Glycolysis
b. Electron transport chain
c. Krebs cycle
d. Anaerobic respiration
e. ATP-Synthase

Question 6 NADH is produced in all of the following except:
a. the electron transport chain.
b. glycolysis.
c. the Krebs cycle.

Question 7 Consider a bacterial cell that performs anaerobic respiration. If that bacterial cell had access to six molecules of glucose to use, how many ATP molecules would it be able to produce?
a. 36
b. 6
c. 12
d. 34
e. 2

Question 8 The majority of ATP produced during cellular respiration is produced during glycolysis.
True
False

Question 9 What powers the enzyme ATP-Synthase?
a. The H+ gradient between the matrix and inner-membrane space
b. ATP
c. oxygen (O2)
d. NADH molecules
e. NADH and FADH2 molecules

Question 10 Which of the following list contains only products of cellular respiration?
a. ATP, glucose, oxygen
b. ATP, carbon dioxide
c. oxygen, ADP, carbon dioxide
d. glucose, ATP
e. glucose, oxygen, ADP

Question 11 Adding a phosphate group to ADP to form ATP is an endergonic reaction. True False

Question 12 The electron transport chain uses the energy in NADH and FADH2 to pump H+ ions from the matrix to the innermembrane space. The H+ gradient is then used to power ATP-Synthase. Enough H+ is pumped from the energy in a molecule of NADH to produce ______ ATP molecules, while enough H+ is pumped from the energy in a FADH2 molecule to produce ______ ATP molecules.
a. two; three
b. three; three
c. three; two
d. two; two

Question 13 Which of the following is the correct order of the three stages of cellular respiration?
a. glycolysis, Krebs cycle, electron transport
b. Krebs cycle, electron transport, glycolysis
c. electron transport, Krebs cycle, glycolysis
d. electron transport, glycolysis, Krebs cycle
e. Krebs cycle, glycolysis, electron transport

Question 14 A required reactant for glycolysis is:
a. carbon dioxide.
b. mitochondria.
c. NAD+.
d. the electron transport chain.
e. oxygen.

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EBIO 1210 Lecture Notes - Lecture 9: Chloroplast, Vascular Bundle, Becquerel

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