human a&p 2
DESCRIPTION
questions and answers of chapter 2TRANSCRIPT
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