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burgundycicada702Lv1

28 Sep 2019

4. What protein is found (evenly distributed) along the entirelength of the cellâs plasma membrane:

a. Voltage sensitive Na+ channels

b. Neurotransmitter receptors

c. Secretary vesicles

d. Nucleus

e. Mitochondria

5. ATP production during glycolysis is by which mechanism

a. Substrate-level phosphorylation

b. Oxidative phosphorylation

c. Substrate level and oxidative phosphorylation

d. Depends on temperature

e. Depends on pH

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Deanna HettingerLv2

29 Sep 2019

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Related questions

Living systems can be studied by way of the scientific method which involves which of the following?

Using only deductive reasoning and not inductive reasoning

Using few subjects, but repeating the experiments and using controls

Using few subjects, but repeating the experiments

Using many subjects, but doing no statistical analysis

Using many subjects but having no controls

Which of the following molecules has the least amount of energy that you can use for intense physical exercise?

A chemically specifically designed to signal uncontrolled cell growth

Water since it promotes all chemical reactions

Lipids

Carbohydrates

Protein

Nicotine produced in plants can be lethal to insects in that it causes a paralysis. Where does nicotine have its effect?

Nicotine receptors located in the nucleus of the cell

Nicotine receptors on the plasma membrane of brain cells

Nicotine receptors in the golgi bodies of neurons

Nicotine receptors on the mitochondria of brain cells

The aqueous (water) space between cells is which of the following?

Blood

Interstitial

Extracellular

Intracellular

All of these answers are correct

A hypo-osmotic solution can be defined as which of the following?

A solution separated from another by way of semipermeable membrane in which the hyposmotic solution has less electrolyes and more water than the other solution

A solution separated from another by way of semipermeable membrane in which the hyperosmotic solution has less electrolyes and more water than the other solution

A solution that is equal in concentration compared to another

A solution that is less concentrated relative to another

A solution that is more concentrated relative to another

Lactic acid in your muscles is the byproduct of which metabolic pathway?

Glycolysis

Electron Transport System

Krebs cycle

Glycolysis and oxygen

Which of the following best describes the process of glycolysis?

A series of chemical reactions in the mitochondria that breakdown or catabolize glucose to produce ATP without oxygen

A series of chemical reactions that breakdown or catabolize protein to produce lactic acid in the presence of oxygen

A series of chemical reactions in the muscle cytoplasm that breaksdown or catabolize glucose to produce ATP without oxygen

A series of chemical reactions that produce enzymes

During oxidative phosphorylation, which of the following is phosphorylated with the assistance of ATP synthase?

Cytochromes

ADP

ATP

NADH

Hydrogen ions

In all animals who use oxidative phorphorylation to generate ATP, the ultimate electron acceptor is directly transported to all cells by way of which of the following?

Hemoglobin

Red blood cells

Water (H2O)

Lungs

After NADH is reduced at the Electron Transport system, the hydrogen ion subsequently does which of the following?

Activates ATPsynthase

Activates Krebs cycle

Activates chemiosmosis

Oxidizes ATP

Reduces ATP

Which of the following has to exist for ATP synthase to be activated to directly produce ATP?

An oxygen gradient

A neutron gradient

An electron gradient

A proton gradient

All of these answers are correct

Which of the following occurs when oxyhemoglobin reaches the capillaries of heart muscle?

Releases oxygen which leaves the capillary and diffuses into the cell

Absorbs oxygen from the mitochondria

Releases its oxygen which diffuses from the mitochondria to the capillary

Releases its oxygen which diffuses from the capillary to the nucleus

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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