human a&p 2

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questions and answers of chapter 2

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rIf a candy bar is likened to a single glucose molecule, then a pyruvate molecule would be likened to two candy bars.

Selected Answer: True

Correct Answer: False

Question 2 1 out of 1 points

Nicotimamide adenine dinucleotide (NAD) is

Selected Answer: e. characterized by all of the above

Correct Answer: e. characterized by all of the above

Question 3 0 out of 1 points

Lysosomes synthesize hydrolase enzymes.

Selected Answer: True

Correct Answer: False

Question 4 0 out of 1 points

The rough ER synthesizes proteins within their interconnected sacs.

Selected Answer: True

Correct Answer: False

Question 5 1 out of 1 points

Which modified form of pyruvate enters the citric acid cycle?

Selected Answer: c. acetyl CoA

Correct Answer: c. acetyl CoA

Question 6 1 out of 1 points

Coated vesicles bud off the Golgi complex and contain various proteins.

Selected Answer: True

Correct Answer: True

Question 7 1 out of 1 points

Secretory vesicles are taken into a cell by means of phagocytosis.

Selected Answer: False

Correct Answer: False

Question 8 1 out of 1 points

Which organelle is not membrane-bound?

Selected Answer: c. ribosome

Correct Answer: c. ribosome

Question 9 0 out of 1 points

Select the incorrect statement about vaults.

Selected Answer: b. They are not visible by ordinary staining techniques.

Correct Answer: d. They are specialized transport vesicles within nuclear pores.

Question 10 1 out of 1 points

Where do the citric acid cycle reactions occur?

Selected Answer: c. mitochondrial matrix

Correct Answer: c. mitochondrial matrix

Question 11 1 out of 1 points

The smooth endoplasmic reticulum

Selected Answer: b. gives rise to transport vesicles containing newly synthesized molecules wrapped in a layer of smooth ER membrane

Correct Answer: b. gives rise to transport vesicles containing newly synthesized molecules wrapped in a layer of smooth ER membrane

Question 12 1 out of 1 points

ATP synthase

Selected Answer: e. is not part of the ETS

Correct Answer: e. is not part of the ETS

Question 13 0 out of 1 points

______ transports secretory vesicles along microtubules is

Selected Answer: b. Tubulin

Correct Answer: c. Kinesin

Question 14 1 out of 1 points

NADH is

Selected Answer: e. important in all of the above

Correct Answer: e. important in all of the above

Question 15 1 out of 1 points

Which of the following is least related to glycolysis?

Selected Answer: e. CO2

Correct Answer: e. CO2

Question 16 1 out of 1 points

The amount of smooth ER within liver cells may change dramatically over a period of days, depending on the amount of drug detoxification that is required.

Selected Answer: True

Correct Answer: True

Question 17 0 out of 1 points

Glycolysis

Selected Answer: e. all of these

Correct Answer: d. yields two molecules of ATP for each molecule of glucose processed, and yields two molecules of NADH when converting one glucose into two pyruvates

Question 18 0 out of 1 points

Select the incorrect characteristic of mitochondria.

Selected Answer: c. They are the site of cellular respiration.

Correct Answer: a. They have an inner fluid-filled space called the cristae. (matrix correct answer)

Question 19 1 out of 1 points

Which of the following may help transport ribosomal subunits out of the nucleus?

Selected Answer: c. vault

Correct Answer: c. vault

Question 20 1 out of 1 points

The only time the contents of secretory vesicles come in contact with the cytosol is when the vesicle joins with the plasma membrane.

Selected Answer: False

Correct Answer: False

Saturday, September 13, 2014 5:08:41 PM CDT

Microtubules

Selected Answer: d. play an important structural role in parts of the cell subject to mechanical stress

Correct Answer: e. is responsible for nuclear division but not cytoplasmic division

Question 2 1 out of 1 points

Which of the following does not apply to lysosomes?

Selected Answer: c. They generate hydrogen peroxide.

Correct Answer: c. They generate hydrogen peroxide.

THEY DO THIS: They help remove damaged organelles. b.They contain hydrolytic enzymes.

d.When they are abnormal, Tay-Sachs disease may result. e.They aid in the breakdown of material that is taken into the cell through endocytosis. Question 3 0 out of 1 points

The complexes within electron transport chains

Selected Answer: e. perform all of the above functions

Correct Answer: d. are responsible for transporting electrons and hydrogen ions

Question 4 1 out of 1 points

A pair of electrons released from one NADH molecule causes the formation of more ATP molecules than do a pair of electrons released from a FADH2.

Selected Answer: True

Correct Answer: True

Question 5 1 out of 1 points

Amoeboid movement is accomplished by alternate assembly and disassembly of actin filaments.

Selected Answer: True

Correct Answer: True

Question 6 1 out of 1 points

Identify the item that is not taken into a cell via receptor-mediated endocytosis.

Selected Answer: c. amino acid

Correct Answer: c. amino acid

ARE taken in: insulin

b.iron

c.vitamin B12

d.

e.cholesterol

Question 7 1 out of 1 points

Peroxisomes arise from vesicles produced at the rough ER, while lysosomes arise from vesicles produced at the Golgi complex.

Selected Answer: False

Correct Answer: False

Question 8 1 out of 1 points

The only time the contents of secretory vesicles come in contact with the cytosol is when the vesicle joins with the plasma membr.

Selected Answer: False

Correct Answer: False

Question 9 1 out of 1 points

The Krebs cycle occurs within the mitochondria while the citric acid cycle occurs in the cytosol.

Selected Answer: False

Correct Answer: False

Question 10 1 out of 1 points

In a human cell, DNA may be found within

Selected Answer: d. all of the above

Correct Answer: d. all of the above

Question 11 1 out of 1 points

Which organelle is not membrane-bound?

Selected Answer: b. ribosome

Correct Answer: b. ribosome

Question 12 0 out of 1 points

Why do most cells in the body require oxygen molecules?

Selected Answer: a. It pulls electrons off the electron transport chains in the last part of cellular respiration and ATP synthase uses it to add a phosphate ion to ADP in order to make ATP.

Correct Answer: b. It pulls electrons off the electron transport chains in the last part of cellular respiration.

Question 13 1 out of 1 points

Which characteristic of the Golgi complex is incorrect?

Selected Answer: d. It receives secretory vesicles coming from the ER.

Correct Answer: d. It receives secretory vesicles coming from the ER.

Question 14 1 out of 1 points

Which of the following is least related to glycolysis?

Selected Answer: d. CO2

Correct Answer: d. CO2

Question 15 1 out of 1 points

All cell organelles are renewable.

Selected Answer: True

Correct Answer: True

Question 16 0 out of 1 points

Proteins synthesized at the endoplasmic reticulum become permanently separated from the as soon as they have been synthesized.

Selected Answer: False

Correct Answer: True

Question 17 0 out of 1 points

The rough endoplasmic reticulum

Selected Answer: d. transports proteins to its bound ribosomes

Correct Answer: a. is in direct contact with certain nonmembranous organelles

Question 18 1 out of 1 points

Docking markers are most closely associated with

Selected Answer: c. Golgi complexes

Correct Answer: c. Golgi complexes

Question 19 0 out of 1 points

Which of the following is not a principle of the cell theory?

Selected Answer: a. Cells are the smallest things that can be alive.

Correct Answer: b. Most cells come from preexisting cells.

Question 20 1 out of 1 points

Since lysosomes cannot make their own enzymes, those enzymes must be synthesized in the Golgi complex prior to the lysosomes formation.

Selected Answer: False

Correct Answer: False

The endoplasmic reticulum is one continuous organelle consisting of many tubules and cisternae.

Selected Answer:False

Correct Answer:True

Question 20 out of 1 points

Glycolysis utilizes most of the stored energy in glucose when synthesizing ATP molecules.

Selected Answer:True

Correct Answer:False

Question 31 out of 1 points

Secretory vesicles are taken into a cell by means of phagocytosis.

Selected Answer:False

Correct Answer:False

Question 41 out of 1 points

ATP synthase

Selected Answer:b.is not part of the ETS

Correct Answer:b.is not part of the ETS

Question 50 out of 1 points

The lipids within the ERs membrane must synthesize additional lipid molecules so the ER can grows as a cell grows.

Selected Answer:True

Correct Answer:False

Question 61 out of 1 points

Chemiosmosis

Selected Answer:e.does not perform any of the above functions

Correct Answer:e.does not perform any of the above functions

Question 71 out of 1 points

Which modified form of pyruvate enters the citric acid cycle?

Selected Answer:a.acetyl CoA

Correct Answer:a.acetyl CoA

Question 81 out of 1 points

Select the incorrect association.

Selected Answer:d.pyruvate/five-carbon molecule

Correct Answer:d.pyruvate/five-carbon molecule

Question 90 out of 1 points

A cell in the pancreas that secretes an enzyme to hydrolyze lipids would be expected to have

Selected Answer:e.a and d

Correct Answer:b.an extensive rough ER

Question 100 out of 1 points

Some enzymes inside the rough ER may pass through the ERs membrane and be used within the, but most enzymes used in the cytosol are made at free ribosomes.

Selected Answer:[None Given]

Correct Answer:False

Question 110 out of 1 points

Which characteristic regarding microfilaments is incorrect?

Selected Answer:[None Given]

Correct Answer:a.They form mitotic spindles.

Question 120 out of 1 points

Which characteristic of the Golgi complex is incorrect?

Selected Answer:[None Given]

Correct Answer:c.It receives secretory vesicles coming from the ER.

Question 130 out of 1 points

______ transports secretory vesicles along microtubules is

Selected Answer:[None Given]

Correct Answer:b.Kinesin

Question 140 out of 1 points

Phagocytosis is a specialized form of endocytosis used primarily for bringing ECF into the cytosol.

Selected Answer:[None Given]

Correct Answer:False

Question 150 out of 1 points

Which of the following is least related to glycolysis?

Selected Answer:[None Given]

Correct Answer:a.CO2

Question 160 out of 1 points

Identify the item that is not taken into a cell via receptor-mediated endocytosis.

Selected Answer:[None Given]

Correct Answer:c.amino acid

Question 170 out of 1 points

Since lysosomes cannot make their own enzymes, those enzymes must be synthesized in the Golgi complex prior to the lysosomes formation.

Selected Answer:[None Given]

Correct Answer:False

Question 180 out of 1 points

Most intermediary metabolism is accomplished in the cytosol.

Selected Answer:[None Given]

Correct Answer:True

Question 190 out of 1 points

If a candy bar is likened to a single glucose molecule, then a pyruvate molecule would be likened to two candy bars.

Selected Answer:[None Given]

Correct Answer:False

Question 200 out of 1 points

Why do most cells in the body require oxygen molecules?

Selected Answer:[None Given]

Correct Answer:d.It pulls electrons off the electron transport chains in the last part of cellular respiration.

Saturday, September 13, 2014 6:03:00 PM CDT Which organelle is not membrane-bound?

Selected Answer:a.ribosome

Correct Answer:a.ribosome

Question 20 out of 1 points

Select the incorrect characteristic of mitochondria.

Selected Answer:c.They are the site of cellular respiration.

Correct Answer:b.They have an inner fluid-filled space called the cristae.

Question 31 out of 1 points

Which statement about cells is incorrect?

Selected Answer:a.Most cells in dogs are quite different than cells in humans.

Correct Answer:a.Most cells in dogs are quite different than cells in humans.

Question 40 out of 1 points

DNA's genetic code for a particular protein is transcribed into rRNA.

Selected Answer:True

Correct Answer:False

Question 51 out of 1 points

A cell in the pancreas that secretes an enzyme to hydrolyze lipids would be expected to have

Selected Answer:b.an extensive rough ER

Correct Answer:b.an extensive rough ER

Question 60 out of 1 points

The Golgi complex synthesizes recognition markers that recognize and attract specific sorting signals.

Selected Answer:True

Correct Answer:False

Question 70 out of 1 points

Glycolysis

Selected Answer:e.does not perform any of the functions listed above

Correct Answer:c.produces more ATP molecules than does one turn of the Krebs cycle

Question 80 out of 1 points

DNA in the nucleus has the genetic instructions to make dynein.

Selected Answer:False

Correct Answer:True

Question 91 out of 1 points

Most intermediary metabolism is accomplished in the cytosol.

Selected Answer:True

Correct Answer:True

Question 101 out of 1 points

Identify the item that is not taken into a cell via receptor-mediated endocytosis.

Selected Answer:b.amino acid

Correct Answer:b.amino acid

Question 111 out of 1 points

ATP synthase is located in the inner mitochondrial membrane.

Selected Answer:True

Correct Answer:True

Question 121 out of 1 points

Some enzymes inside the rough ER may pass through the ERs membrane and be used within the cytosol, but most enzymes used in the cytosol are made at free ribosomes.

Selected Answer:False

Correct Answer:False

Question 131 out of 1 points

The Krebs cycle occurs within the mitochondria while the citric acid cycle occurs in the cytosol.

Selected Answer:False

Correct Answer:False

Question 140 out of 1 points

During anaerobic conditions,

Selected Answer:b.more pyruvate is formed from lactate.

Correct Answer:e.FAD is not converted to FADH2.

Question 150 out of 1 points

Identify the pairing that has the least related items:

Selected Answer:e.phagocytosis, pseudopods

Correct Answer:d.clathrin, secretory vesicle

Question 160 out of 1 points

Lipid synthesis does not occur in the rough ER.

Selected Answer:True

Correct Answer:False

Question 171 out of 1 points

Oxidative phosphorylation generates more ATP per glucose molecule than does glycolysis.

Selected Answer:True

Correct Answer:True

Question 180 out of 1 points

Primary cilia are responsible for moving dust from the respiratory tract.

Selected Answer:True

Correct Answer:False

Question 191 out of 1 points

Select the structure that is not located in the cytosol of the cell.

Selected Answer:c.nucleolus

Correct Answer:c.nucleolus

Question 201 out of 1 points

Actin and myosin filaments are most abundant in ____ cells.

Selected Answer:b.muscle

Correct Answer:b.muscle

NADH is

Selected Answer:e.important in all of the above

Correct Answer:e.important in all of the above

Question 21 out of 1 points

Select the structure that is not located in the cytosol of the cell.

Selected Answer:d.nucleolus

Correct Answer:d.nucleolus

Question 31 out of 1 points

Nicotimamide adenine dinucleotide (NAD) is

Selected Answer:e.characterized by all of the above

Correct Answer:e.characterized by all of the above

Question 41 out of 1 points

Which component below is not always found in a typical human cell?

Selected Answer:e.flagellum

Correct Answer:e.flagellum

Question 51 out of 1 points

Chemiosmosis

Selected Answer:e.does not perform any of the above functions

Correct Answer:e.does not perform any of the above functions

Question 61 out of 1 points

Select the incorrect association.

Selected Answer:c.pyruvate/five-carbon molecule

Correct Answer:c.pyruvate/five-carbon molecule

Question 71 out of 1 points

Select the incorrect characteristic of mitochondria.

Selected Answer:b.They have an inner fluid-filled space called the cristae.

Correct Answer:b.They have an inner fluid-filled space called the cristae.

Question 81 out of 1 points

Actin and myosin filaments are most abundant in ____ cells.

Selected Answer:c.muscle

Correct Answer:c.muscle

Question 91 out of 1 points

Identify the item that is not taken into a cell via receptor-mediated endocytosis.

Selected Answer:d.amino acid

Correct Answer:d.amino acid

Question 101 out of 1 points

Since lysosomes cannot make their own enzymes, those enzymes must be synthesized in the Golgi complex prior to the lysosomes formation.

Selected Answer:False

Correct Answer:False

Question 111 out of 1 points

The endoplasmic reticulum is one continuous organelle consisting of many tubules and cisternae.

Selected Answer:True

Correct Answer:True

Question 121 out of 1 points

During anaerobic conditions,

Selected Answer:d.FAD is not converted to FADH2.

Correct Answer:d.FAD is not converted to FADH2.

Question 131 out of 1 points

Which pairing is most out of place?

Selected Answer:e.Mitochondrion and vesicle formation

Correct Answer:e.Mitochondrion and vesicle formation

Question 141 out of 1 points

If a candy bar is likened to a single glucose molecule, then a pyruvate molecule would be likened to two candy bars.

Selected Answer:False

Correct Answer:False

Question 151 out of 1 points

Which of the following does not apply to lysosomes?

Selected Answer:c.They generate hydrogen peroxide.

Correct Answer:c.They generate hydrogen peroxide.

Question 161 out of 1 points

Which of the following is synthesized inside certain cells and is eventually secreted.

Selected Answer:a.steroid hormone

Correct Answer:a.steroid hormone

Question 170 out of 1 points

What might happen if you took in less than optimum amounts of niacin in your diet?

Selected Answer:e.Any of the above might happen.

Correct Answer:a.Fewer pyruvate molecules would be produced.

Question 181 out of 1 points

The Golgi complex is functionally connected to the ER.

Selected Answer:True

Correct Answer:True

Question 191 out of 1 points

Identify all examples of inclusions.

Selected Answer:e.glycogen granule

Correct Answer:e.glycogen granule

Question 201 out of 1 points

The cytoplasm includes everything between the plasma membrane and nucleus of a cell.

Selected Answer:True

Correct Answer:True

Sunday, September 14, 2014 4:57:42 PM CDT