Biology Questions

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Match the taste sensations to the chemicals that produce them 0000 alkaloids metal ions organic substances such as sugar and some lead salts hydrogen ions in solution glutamate and aspartate 1 bitter 2 salty 3 sour 4 sweet 5 umami
Biology
Biomolecules
Match the taste sensations to the chemicals that produce them 0000 alkaloids metal ions organic substances such as sugar and some lead salts hydrogen ions in solution glutamate and aspartate 1 bitter 2 salty 3 sour 4 sweet 5 umami
elevates the eye and turns it laterally depresses the eye and turns it medially elevates the eye and turns it medially depresses the eye and turns it laterally Question 14 2 points 4 Listen Match the following homeostatic imbalances with their descriptions Inflammation of the conjunctiva Infected tarsal glands often results in a firm painless cyst Highly contagious conjunctival infection caused by bacteria or viruses Painful inflammation of any of the smaller glands at the 1 Chalazion 2 Conjunctivitis 3 Pinkeye 4 Sty k
Biology
Human Physiology - Locomotion & Movement
elevates the eye and turns it laterally depresses the eye and turns it medially elevates the eye and turns it medially depresses the eye and turns it laterally Question 14 2 points 4 Listen Match the following homeostatic imbalances with their descriptions Inflammation of the conjunctiva Infected tarsal glands often results in a firm painless cyst Highly contagious conjunctival infection caused by bacteria or viruses Painful inflammation of any of the smaller glands at the 1 Chalazion 2 Conjunctivitis 3 Pinkeye 4 Sty k
blood will be shunted to skeletal muscles and the heart rate and force of heartbeat will increase metabolic rate will increase glucose from the blood will be taken up by the liver for storage Question 5 2 points Listen Wing that would occur if someone was involved in a fight Blood vessels are almost entirely innerved by parasympathetic fibers so the parasympathetic division controls blood pressure True False
Biology
Biomolecules
blood will be shunted to skeletal muscles and the heart rate and force of heartbeat will increase metabolic rate will increase glucose from the blood will be taken up by the liver for storage Question 5 2 points Listen Wing that would occur if someone was involved in a fight Blood vessels are almost entirely innerved by parasympathetic fibers so the parasympathetic division controls blood pressure True False
past chemoreceptors thermoreceptors nociceptors mechanoreceptors Question 3 2 points 4 Listen Select ALL of the following that are required for a sensation to occur se that you The stimulus energy must match the receptor specificity ex chemicals excite chemoreceptors The stimulus must be applied within the receptive field The graded potential must reach the CNS
Biology
Ecology - Ecosystems
past chemoreceptors thermoreceptors nociceptors mechanoreceptors Question 3 2 points 4 Listen Select ALL of the following that are required for a sensation to occur se that you The stimulus energy must match the receptor specificity ex chemicals excite chemoreceptors The stimulus must be applied within the receptive field The graded potential must reach the CNS
of the following that are true of outer hair cells in the cochlea Impulses from outer hair cells in different positions along the basilar membrane are interpreted as specific pitches They can decrease the motion of the basilar membrane to protect inner hair cells from loud noises They can contract and stretch which affects the stiffness of the basilar membrane They can increase the ability to distinguish small differences in pitch by amplifying the motion of the basilar membrane Question 11 2 points 4 Listen Match the following sound wave properties to their descriptions DE The height of the crests The distance between two consecutive crests How we perceive different frequencies of sound waves The number of waves that pass a given point within a 1 Amplitude 2 Frequency 3 Pitch 4 Wavelength
Biology
Biotechnology: Principles and Processes
of the following that are true of outer hair cells in the cochlea Impulses from outer hair cells in different positions along the basilar membrane are interpreted as specific pitches They can decrease the motion of the basilar membrane to protect inner hair cells from loud noises They can contract and stretch which affects the stiffness of the basilar membrane They can increase the ability to distinguish small differences in pitch by amplifying the motion of the basilar membrane Question 11 2 points 4 Listen Match the following sound wave properties to their descriptions DE The height of the crests The distance between two consecutive crests How we perceive different frequencies of sound waves The number of waves that pass a given point within a 1 Amplitude 2 Frequency 3 Pitch 4 Wavelength
True False Question 8 2 points Listen Select ALL of the following statements that are true regarding sound localization It requires processing at the cortical level It uses time differences between sound reaching the two ears It is difficult to discriminate sound sources in the midline it from both ears
Biology
Biotechnology & its Applications
True False Question 8 2 points Listen Select ALL of the following statements that are true regarding sound localization It requires processing at the cortical level It uses time differences between sound reaching the two ears It is difficult to discriminate sound sources in the midline it from both ears
A null hypothesis of There is no statistical difference between two sets of data would require a Chi square test with degree s of freedom to accept or reject B C
Biology
Biological Classification
A null hypothesis of There is no statistical difference between two sets of data would require a Chi square test with degree s of freedom to accept or reject B C
A Results of 105 tall and 22 dwarf plants Is stated in a null hypothesis to not be statistically different from 95 and 32 respectively The Chi Square value is at a 95 level of confidence the hypothesis is 4 2 B 12 C 2 5
Biology
Human Physiology - Circulatory System
A Results of 105 tall and 22 dwarf plants Is stated in a null hypothesis to not be statistically different from 95 and 32 respectively The Chi Square value is at a 95 level of confidence the hypothesis is 4 2 B 12 C 2 5
4 Many endemic species are found in areas that are geographically isolated Suggest a plausible scientifi explanation for why this is so I
Biology
Human Reproduction
4 Many endemic species are found in areas that are geographically isolated Suggest a plausible scientifi explanation for why this is so I
13 Describe the rate of population growth that would be expected at various parts of the S shaped curve of logistic growth
Biology
Ecology - Organisms & Population
13 Describe the rate of population growth that would be expected at various parts of the S shaped curve of logistic growth
8 Describe the conditions and challenges facing organisms living in the intertidal zone
Biology
Human Physiology - Digestion
8 Describe the conditions and challenges facing organisms living in the intertidal zone
18 Describe freshwater ocean and terrestrial ecosystems
Biology
Ecology - General
18 Describe freshwater ocean and terrestrial ecosystems
16 Describe the competitive exclusion principle and its effects on competing species
Biology
Ecology - Organisms & Population
16 Describe the competitive exclusion principle and its effects on competing species
24 Why are drinking water supplies still a major concern for many countries
Biology
Ecology - Biodiversity & Conservation
24 Why are drinking water supplies still a major concern for many countries
A RrYyCc x RrYyCc R round r wrinkled Y yellow y green C smooth c constricted oth co Considering the P1 above what is the probability of a plant having a round yellow constricted pod a wrinkled green smooth pod OR a wrinkled yellow constricted pod 27 64 B 3 64 C 15 64
Biology
Evolution
A RrYyCc x RrYyCc R round r wrinkled Y yellow y green C smooth c constricted oth co Considering the P1 above what is the probability of a plant having a round yellow constricted pod a wrinkled green smooth pod OR a wrinkled yellow constricted pod 27 64 B 3 64 C 15 64
Drag the appropriate labels to their respective targets Ora serrata Ciliary body Cornea Iris Pupil Anterior segment 20 Fotocons Reset Ciliary zonule Lens
Biology
Animal Kingdom
Drag the appropriate labels to their respective targets Ora serrata Ciliary body Cornea Iris Pupil Anterior segment 20 Fotocons Reset Ciliary zonule Lens
Visceral sensory neuron Integration center Receptor in viscera Response Motor neuron Visceral effector 1000 Stimulus PPearson
Biology
Biotechnology & its Applications
Visceral sensory neuron Integration center Receptor in viscera Response Motor neuron Visceral effector 1000 Stimulus PPearson
US 2 v Next each of the four major biomolecules identify the name and structure of its monomer nucleotide H O H Introduction to Biochemistry Mastery Test OH CH OH H OH H OH H OH Nucleic Acid monosaccharide amino acid 4 O H C CH NH OH Submit Test fatty acid Carbohydrate
Biology
Biomolecules
US 2 v Next each of the four major biomolecules identify the name and structure of its monomer nucleotide H O H Introduction to Biochemistry Mastery Test OH CH OH H OH H OH H OH Nucleic Acid monosaccharide amino acid 4 O H C CH NH OH Submit Test fatty acid Carbohydrate
A We can deduce that the genotype of the parents the arrow is pointing to is Tt X Tt B tt X TT I IV V C 60 tt X Tt
Biology
Biomolecules
A We can deduce that the genotype of the parents the arrow is pointing to is Tt X Tt B tt X TT I IV V C 60 tt X Tt
7 9 10 12 Amplifies sound waves Detects changes for static equilibrium Transmits auditory and balance information to the brain Divert sounds waves into the ear canal Converts sounds waves into a mechanical force Air filled space that is connected to the throat 6 Detects changes for dynamic equilibrium Passage that sound waves travel along Detects sound information Allows air pressure equalization in the middle ear to occur 8 11
Biology
Human Physiology - General
7 9 10 12 Amplifies sound waves Detects changes for static equilibrium Transmits auditory and balance information to the brain Divert sounds waves into the ear canal Converts sounds waves into a mechanical force Air filled space that is connected to the throat 6 Detects changes for dynamic equilibrium Passage that sound waves travel along Detects sound information Allows air pressure equalization in the middle ear to occur 8 11
Listen Which of the following best describes the neurotransmitter receptors for the parasympathetic division of the autonomic nervous system O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are nicotinic acetylcholine receptors and neurotransmitter receptors on the effectors are nicotinic acetylcholine receptors O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are muscarinic acetylcholine receptors and neurotransmitter receptors on the effectors are muscarinic acetylcholine receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are adrenergic receptors and neurotransmitter receptors on the effectors are adrenergic receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are nicotinic acetylcholine receptors and neurotransmitter receptors on the effectors are muscarinic acetylcholine receptors O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are muscarinic acetylcholine receptors and neurotransmitter receptors on the effectors are nicotinic acetylcholine receptors O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are adrenergic receptors and neurotransmitter receptors on the effectors are nicotinic acetylcholine receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are adrenergic receptors and neurotransmitter receptors on the effectors are muscarinic acetylcholine receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are nicotinic acetylcholine receptors and neurotransmitter receptors on the effectors are adrenergic receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are muscarinic acetylcholine receptors and neurotransmitter receptors on the effectors are adrenergic receptors
Biology
Human Physiology - Neural Control & Coordination
Listen Which of the following best describes the neurotransmitter receptors for the parasympathetic division of the autonomic nervous system O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are nicotinic acetylcholine receptors and neurotransmitter receptors on the effectors are nicotinic acetylcholine receptors O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are muscarinic acetylcholine receptors and neurotransmitter receptors on the effectors are muscarinic acetylcholine receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are adrenergic receptors and neurotransmitter receptors on the effectors are adrenergic receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are nicotinic acetylcholine receptors and neurotransmitter receptors on the effectors are muscarinic acetylcholine receptors O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are muscarinic acetylcholine receptors and neurotransmitter receptors on the effectors are nicotinic acetylcholine receptors O Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are adrenergic receptors and neurotransmitter receptors on the effectors are nicotinic acetylcholine receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are adrenergic receptors and neurotransmitter receptors on the effectors are muscarinic acetylcholine receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are nicotinic acetylcholine receptors and neurotransmitter receptors on the effectors are adrenergic receptors Neurotransmitter receptors on the dendrites and soma of the postganglionic neuron are muscarinic acetylcholine receptors and neurotransmitter receptors on the effectors are adrenergic receptors
3 What is the overall function of this tissue 1 2 To assist in learning To pump blood around the body To move things through hollow organs To allow movement and manipulation of the external environment To move cartilage
Biology
Ecology - Ecosystems
3 What is the overall function of this tissue 1 2 To assist in learning To pump blood around the body To move things through hollow organs To allow movement and manipulation of the external environment To move cartilage
Connect to Prior Knowledge Examine the picture In the center is the border between two countries How might the environmental policies of these two nations be different What could be some possible impacts of these differing policies
Biology
Ecology - Organisms & Population
Connect to Prior Knowledge Examine the picture In the center is the border between two countries How might the environmental policies of these two nations be different What could be some possible impacts of these differing policies
What did scientists learn from studying the Arctic ice cores
Biology
Ecology - Environmental Issues
What did scientists learn from studying the Arctic ice cores
Apply the concept of sustainable development to harvesting trees in the timber industry How could trees be cut down without drastically impacting the forest ecosystems
Biology
Biological Classification
Apply the concept of sustainable development to harvesting trees in the timber industry How could trees be cut down without drastically impacting the forest ecosystems
Five 3 examples of laws and or government actions that have helped to preserve natural habitats and protect resources Briefly explain each
Biology
Anatomy of Flowering Plants
Five 3 examples of laws and or government actions that have helped to preserve natural habitats and protect resources Briefly explain each
Identify what humans can do to minimize the impact of urban sprawl on wildlife
Biology
Animal Kingdom
Identify what humans can do to minimize the impact of urban sprawl on wildlife
What important services do forests provide How might their destruction have an effect on humans
Biology
Ecology - Ecosystems
What important services do forests provide How might their destruction have an effect on humans
Describe how protection of an umbrella species can benefit an entire ecosystem
Biology
The Living World
Describe how protection of an umbrella species can benefit an entire ecosystem
Explain the concept of sustainable development
Biology
Ecology - Ecosystems
Explain the concept of sustainable development
How does an introduced species affect native species
Biology
Animal Kingdom
How does an introduced species affect native species
example of economic damage that can occur from introduced species
Biology
Ecology - General
example of economic damage that can occur from introduced species
What did the Yosemite Grant of 1864 accomplish TONER 10000 H
Biology
The Living World
What did the Yosemite Grant of 1864 accomplish TONER 10000 H
If the population of an indicator species is increasing what might you infer about the conditions of the ecosystem
Biology
The Living World
If the population of an indicator species is increasing what might you infer about the conditions of the ecosystem
04 03 MC Which of the following would a Spartan boy be more likely to do than an Athenian boy Become a citizen O Work as a craftsman O Live in a barrack O Know how to read
Biology
Evolution
04 03 MC Which of the following would a Spartan boy be more likely to do than an Athenian boy Become a citizen O Work as a craftsman O Live in a barrack O Know how to read
The model represents DNA replication Enzyme 2 DINAL INMNE Enzyme DNA 1 IND What does enzyme 2 do Enzyme 2 OA It adds nucleotides to the growing strands of DNA OB It builds RNA strands from sections of DNA OC It binds to the double helix and unzips the molecule D It chemically connects the two strando toga
Biology
Biomolecules
The model represents DNA replication Enzyme 2 DINAL INMNE Enzyme DNA 1 IND What does enzyme 2 do Enzyme 2 OA It adds nucleotides to the growing strands of DNA OB It builds RNA strands from sections of DNA OC It binds to the double helix and unzips the molecule D It chemically connects the two strando toga
Which statement best describes how the law of segregation is involved in inheritance OA The alleles for different genes are sorted separately during gamete formation B Gamete formation always leads to the production of one dominant allele and one recessive allele OC An individual s two alleles for a gene separate during gamete formation and only one is passed to each offspring D The formation of gametes occurs only when a parent has two of the same alleles
Biology
Reproduction in Organisms
Which statement best describes how the law of segregation is involved in inheritance OA The alleles for different genes are sorted separately during gamete formation B Gamete formation always leads to the production of one dominant allele and one recessive allele OC An individual s two alleles for a gene separate during gamete formation and only one is passed to each offspring D The formation of gametes occurs only when a parent has two of the same alleles
Illustrate a feedback diagram showcasing the connections between horme changes and symptoms in hypothyroidism Describe how decreased T3 and T4 levels lead to reduced metabolism resulting in fatigue weight gain cold intolerance and continut
Biology
Human Physiology - Circulatory System
Illustrate a feedback diagram showcasing the connections between horme changes and symptoms in hypothyroidism Describe how decreased T3 and T4 levels lead to reduced metabolism resulting in fatigue weight gain cold intolerance and continut
What type of neuroglia is labeled as 5 31 Microglial cell Schwann cell Ependymal cell Oligodendrocyte Astrocyte Satellite cell 21 5 Peoppove 4 popul 6 Page 19 of 50 Internet connection los
Biology
Cell: The Unit of Life
What type of neuroglia is labeled as 5 31 Microglial cell Schwann cell Ependymal cell Oligodendrocyte Astrocyte Satellite cell 21 5 Peoppove 4 popul 6 Page 19 of 50 Internet connection los
What muscle is labeled as 40 16 6 9 4 5 8 2 3 10 11 121 13 14 15 Gracilis Vastus lateralis Biceps femoris Sartorius Gastronemius Soleus Vastus medialis Semimembranosus Rectus femoris Adductor longus Tibialis anterior 17 18 25 19 21 22 27 28 20 24 23 26 29 30 31 32 33 34 35 36 37 38 40 39
Biology
Human Health and Diseases
What muscle is labeled as 40 16 6 9 4 5 8 2 3 10 11 121 13 14 15 Gracilis Vastus lateralis Biceps femoris Sartorius Gastronemius Soleus Vastus medialis Semimembranosus Rectus femoris Adductor longus Tibialis anterior 17 18 25 19 21 22 27 28 20 24 23 26 29 30 31 32 33 34 35 36 37 38 40 39
What is the overall function of this tissue C 1 2 To assist in learning To pump blood around the body To move things through hollow organs To allow movement and manipulation of the external environment To move cartilage
Biology
Cell: The Unit of Life
What is the overall function of this tissue C 1 2 To assist in learning To pump blood around the body To move things through hollow organs To allow movement and manipulation of the external environment To move cartilage
1 3 P 5 SY Pivot joint Nonaxial Hinge joint Nonaxial Ball and socket joint Nonaxial Planc joint Nonaxial Condyloid joint Nonaxial OSaddle joint Nonaxial Pivot joint Uniaxial Hinge joint Uniaxial O Plane joint Uniaxial A Ball and socket joint Uniaxial Condyloid joint Uniaxial Saddle joint Uniaxial Pivot joint Biaxial Hinge joint Biaxial Ball and socket joint Biaxial Planc joint Biaxial Condyloid joint Biaxial la inint Biaxial 2 4 6
Biology
Cell Cycle and Cell Division
1 3 P 5 SY Pivot joint Nonaxial Hinge joint Nonaxial Ball and socket joint Nonaxial Planc joint Nonaxial Condyloid joint Nonaxial OSaddle joint Nonaxial Pivot joint Uniaxial Hinge joint Uniaxial O Plane joint Uniaxial A Ball and socket joint Uniaxial Condyloid joint Uniaxial Saddle joint Uniaxial Pivot joint Biaxial Hinge joint Biaxial Ball and socket joint Biaxial Planc joint Biaxial Condyloid joint Biaxial la inint Biaxial 2 4 6
Photosynthesis provides us with an oxygen rich atmosphere Where doe he released 2 come from It is a byproduct of water molecules that are used to reduce P680 OIt is a byproduct of NADP reduction OIt is a byproduct of water molecules that are used to reduce P700 61 It is a hyproduct of the citric acid qualo
Biology
Plant Physiology - Respiration
Photosynthesis provides us with an oxygen rich atmosphere Where doe he released 2 come from It is a byproduct of water molecules that are used to reduce P680 OIt is a byproduct of NADP reduction OIt is a byproduct of water molecules that are used to reduce P700 61 It is a hyproduct of the citric acid qualo
While much of the oxygen produced by photosynthesis is released into th atmosphere through stroma in plant leaves some of it will remain as the electron acceptor of ATP Synthase which is found in the plant s O mitochondria and chloroplasts O mitochondria Ochloroplasts and thylakoids
Biology
Plant Physiology - Respiration
While much of the oxygen produced by photosynthesis is released into th atmosphere through stroma in plant leaves some of it will remain as the electron acceptor of ATP Synthase which is found in the plant s O mitochondria and chloroplasts O mitochondria Ochloroplasts and thylakoids
Karla is interested in studying genetic modifications in a lab that could potentially influence the function of the Calvin cycle What would she be modifying and how would she measure the impact of her modifications on cycle function O She could genetically modify the enzymes and look at ATP production She could genetically modify G3P and look at ATP production O She could genetically modify Rubisco and look at G3P production O She could genetically modify the enzymes of the Calvin study and look at G3P production
Biology
Cell Cycle and Cell Division
Karla is interested in studying genetic modifications in a lab that could potentially influence the function of the Calvin cycle What would she be modifying and how would she measure the impact of her modifications on cycle function O She could genetically modify the enzymes and look at ATP production She could genetically modify G3P and look at ATP production O She could genetically modify Rubisco and look at G3P production O She could genetically modify the enzymes of the Calvin study and look at G3P production
Without a steady supply of dietary glucose or glucose from glycogen stores in the liver what will happen to the process of cellular respiration in human cells O It will come to a halt and cells will no longer function Without a steady supply of glucose cells will only be able to do glycolysis and the person would lose energy O It will continue to run using other stored macromolecules like fats and proteins O It will immediately come to a halt and begin fermentation producing ethanol
Biology
Cell: The Unit of Life
Without a steady supply of dietary glucose or glucose from glycogen stores in the liver what will happen to the process of cellular respiration in human cells O It will come to a halt and cells will no longer function Without a steady supply of glucose cells will only be able to do glycolysis and the person would lose energy O It will continue to run using other stored macromolecules like fats and proteins O It will immediately come to a halt and begin fermentation producing ethanol
Photons entering the harvesting complexes of chloroplasts do which of the following O Cause electrons to jump from complex to complex until they enter the primary electron acceptor excite electrons from oxygen that is taken in by the plant to produce more H20 O excite electrons that come from H20 molecules donated to a special pair of chlorophyl molecules in the reaction center excite electrons that oxidize NADP in the reaction center complex
Biology
Plant Physiology - Respiration
Photons entering the harvesting complexes of chloroplasts do which of the following O Cause electrons to jump from complex to complex until they enter the primary electron acceptor excite electrons from oxygen that is taken in by the plant to produce more H20 O excite electrons that come from H20 molecules donated to a special pair of chlorophyl molecules in the reaction center excite electrons that oxidize NADP in the reaction center complex
One molecule of glucose can produce how many ATP total if all the stages of cellular respiration are successfully completed How many of these ATPs are provided by an endosymbiont O 30 32 ATP only 2 of them O 2 4 ATP none of them O 30 32 ATP 28 30 O 26 28 ATP All of them
Biology
Cell: The Unit of Life
One molecule of glucose can produce how many ATP total if all the stages of cellular respiration are successfully completed How many of these ATPs are provided by an endosymbiont O 30 32 ATP only 2 of them O 2 4 ATP none of them O 30 32 ATP 28 30 O 26 28 ATP All of them
Which of the following is NOT a product of glycolysis O Pyruvate O ATP O NADH FADH2
Biology
Biomolecules
Which of the following is NOT a product of glycolysis O Pyruvate O ATP O NADH FADH2
In Germany there are facilities that maintain high quality yeast to brewers who make craft beers What is the purpose of adding yeast to beer O Yeast can use glycolysis to create pyruvate from the carbohydrate supply in grains which is then converted to ethanol O Yeast can make pyruvate which is then used by grains to complete oxidative respiration resulting in ethanol O Yeast do not require oxygen and thus can infuse beer with a large amount of ATP in low oxygen environments The mitochondria in yeast use the fermentation pathway converting pyruvate to ethanol
Biology
Strategies for Enhancement in Food Production
In Germany there are facilities that maintain high quality yeast to brewers who make craft beers What is the purpose of adding yeast to beer O Yeast can use glycolysis to create pyruvate from the carbohydrate supply in grains which is then converted to ethanol O Yeast can make pyruvate which is then used by grains to complete oxidative respiration resulting in ethanol O Yeast do not require oxygen and thus can infuse beer with a large amount of ATP in low oxygen environments The mitochondria in yeast use the fermentation pathway converting pyruvate to ethanol