Archives
Chapter 1 the persistence of life, and studies the changes in living things
CHAPTER 1—INTRODUCTION TO BIOLOGICAL CONCEPTS AND RESEARCH MULTIPLE CHOICE 1. The science of ____ explains the origin of life, the persistence of life, and studies the changes in living things. a. nanotechnology b. mathematics c. biology d. chemistry e. pharmacology […]
Chapter 10 1 Zebrafish are a good model organism for vertebrate growth
CHAPTER 10—CELL DIVISION AND MITOSIS MULTIPLE CHOICE 1. Zebrafish are a good model organism for vertebrate growth and development because a. they grow larger than many other fish b. they are at the top of the food chain c. they […]
Chapter 10 Progression through the phases of the cell cycle
52. Progression through the phases of the cell cycle is regulated by fluctuating concentrations of ____. a. microtubules b. actin c. cyclins d. cyclin-dependent kinases e. histones ANS: C PTS: 1 DIF: Moderate OBJ: Bloom‘s Taxonomy: Knowledge TOP: 10.4: CELL […]
Chapter 11 The advantage of sexual reproduction over asexual
CHAPTER 11—MEIOSIS: THE CELLULAR BASIS OF SEXUAL REPRODUCTION MULTIPLE CHOICE 1. The advantage of sexual reproduction over asexual reproduction is a. that sexual reproduction requires an interaction between two individuals. b. that there is a mixing of genetic information into […]
Chapter 12 Why can sickle cell disease cause death
CHAPTER 12—MENDEL, GENES, AND INHERITANCE MULTIPLE CHOICE 1. Why can sickle cell disease cause death? a. The malformed red blood cells cannot transport oxygen. b. The malformed red blood cells cannot enter capillaries and, in fact, block them. c. The […]
Chapter 13 1 Progeria is a genetic condition that causes
CHAPTER 13—GENES, CHROMOSOMES, AND HUMAN GENETICS MULTIPLE CHOICE 1. Progeria is a genetic condition that causes a. pattern baldness as early as age twenty. b. socially inappropriate vocal outbursts and muscular twitches. c. a high incidence of cancer with any […]
Chapter 13 2 In humans an extra copy of chromosome 21 typically leads
51. In humans an extra copy of chromosome 21 typically leads to moderate to severe mental retardation and sterility, as well as a greater likelihood of heart defects and other problems. This disorder is known as ____. a. Turner syndrome […]
Chapter 14 DNA Replication Would Still Proceed Completely Since
CHAPTER 14—DNA STRUCTURE, REPLICATION, AND ORGANIZATION MULTIPLE CHOICE 1. The genetic material of all living organisms is a. protein. b. deoxyribonucleic acid. c. ribonucleic acid. d. glycoprotein. e. polypeptide. ANS: B PTS: 1 DIF: Easy OBJ: Bloom’s Taxonomy: Knowledge TOP: […]
Chapter 15 1 The Process Transcription Eukaryotes Ends When a Exon
CHAPTER 15—FROM DNA TO PROTEIN MULTIPLE CHOICE 1. Byssus is a. an enzyme involved in transcription. b. a tough, adhesive material produced by some mussels. c. a flexible fabric produced from some animal hairs. d. an enzyme involved in translation. […]
Chapter 15 2 Integrative Multiple Choice matching match Each The Following Terms
60. Translation ends when a stop codon is at the ____ site, allowing a ____ to bind there. a. P; release factor b. A; terminator tRNA c. E; terminator tRNA d. A; release factor e. P; terminator tRNA ANS: D […]
Chapter 16 1 The primary difference between different nucleated cells
CHAPTER 16—REGULATION OF GENE EXPRESSION MULTIPLE CHOICE 1. The primary difference between different nucleated cells in a developing zygote is a. the genetic code of each cell. b. the expression of housekeeping genes. c. the expression of a gene or […]
Chapter 16 DNA methylation Itself Reversible But Can Permanent When
51. A miRNA’s normal job is to inactivate a tumor suppressor gene. If this miRNA is made in abnormally high amounts, a. the cell will become cancerous b. the tumor suppressor gene will be overactive c. the cell will not […]
Chapter 17 Escherichia coli is used in scientific investigations
CHAPTER 17—BACTERIAL AND VIRAL GENETICS MULTIPLE CHOICE 1. Escherichia coli is used in scientific investigations because it: a. grows quickly in huge numbers in nutrient solutions that are easy to prepare. b. is affected by bacteriophages. c. can be used […]
Chapter 18 Transform The Bacteria Use Restriction Endonucleases Cut
CHAPTER 18—DNA TECHNOLOGIES: ANALYZING AND MODIFYING GENES MULTIPLE CHOICE 1. Which of the following is NOT an example of biotechnology? a. genetic engineering b. yogurt manufacturing c. cheese production d. crop fertilization e. analysis of genomes ANS: D PTS: 1 […]
Chapter 19 Why do normal nucleotides need to be included in the Sanger
CHAPTER 19—GENOMES AND PROTEOMES MULTIPLE CHOICE 1. The study on mutations in germ-line cells indicates all of the following EXCEPT a. some mutations are inherited from our parents b. some mutations arise as new mutations in the germ-line c. the […]
Chapter 2 1 According to studies by Norman Terry and coworkers
CHAPTER 2—LIFE, CHEMISTRY, AND WATER MULTIPLE CHOICE 1. According to studies by Norman Terry and coworkers, some plants can perform a version of bioremediation of selenium in wastewater by a. converting selenium to a form that kills waterfowl. b. using […]
Chapter 2 2 Which of the following would have the most difficulty entering
54. Which of the following would have the most difficulty entering a water lattice? a. table salt (NaCl) b. a nonpolar molecule c. a sodium ion d. a proton (H+) e. an electron ANS: B PTS: 1 DIF: Moderate OBJ: […]
Chapter 20 Imagine You Are Tracing The History
411 CHAPTER 20—DEVELOPMENT OF EVOLUTIONARY THOUGHT MULTIPLE CHOICE 1. In The Origin of Species by Natural Selection, ____ proposed that natural mechanisms produce and transform the diversity of life on Earth. a. Alfred Russel Wallace b. Charles Lyell c. Charles […]
Chapter 21 A group of interbreeding individuals in a specific
CHAPTER 21—MICROEVOLUTION: GENETIC CHANGES WITHIN POPULATIONS MULTIPLE CHOICE 1. A group of interbreeding individuals in a specific geographical location is called a a. gene pool. b. species. c. population. d. community. e. ecosystem. ANS: C PTS: 1 DIF: Easy OBJ: […]
Chapter 22 Place The Following Steps Allopatric Speciation
CHAPTER 22—SPECIATION MULTIPLE CHOICE 1. What mechanism seemed to separate the “birds of paradise” in New Guinea? a. chromosomal differences b. different mating rituals c. geographic isolation d. interference from humans e. mechanical differences between species ANS: C PTS: 1 […]
Chapter 23 Arrange The Following Levels Geological Eras
CHAPTER 23—PALEOBIOLOGY AND MACROEVOLUTION MULTIPLE CHOICE 1. The first dinosaurs, leading to the first public dinosaur craze, were discovered in a. England b. Australia c. South America d. Africa e. China ANS: A PTS: 1 DIF: Easy OBJ: Bloom’s Taxonomy: […]
Chapter 24 Linnaean System Classification Wrong Most The Timed
CHAPTER 24—SYSTEMATICS AND PHYLOGENETICS: REVEALING THE TREE OF LIFE 1. The classification of species often leads to a. understanding evolutionary relationships that directly and positively influence human health. b. new phylums. c. a list of names with no significance to […]
Chapter 25 Modern cells are thought to have arisen from
CHAPTER 25—THE ORIGIN OF LIFE MULTIPLE CHOICE 1. Modern cells are thought to have arisen from a. protocells. b. pre-cells. c. gas and dust clouds. d. prokaryotic cells that predated protocells. e. prokaryotic cells that predated pre-cells. ANS: A PTS: […]
Chapter 26 1 The three domains of life area. eukaryotes, prokaryotes
CHAPTER 26—PROKARYOTES: BACTERIA AND ARCHAEA MULTIPLE CHOICE 1. Which of the following statements about prokaryotes is false? a. They lack a true nucleus. b. They are generally smaller than eukaryotes. c. They are found only in certain niches. d. They […]
Chapter 26 2 In order to prove that a bacterium is pathological according
49. In order to prove that a bacterium is pathological according to Koch’s postulates, all of the following must be true, EXCEPT a. The bacteria must be present in every case of the disease b. The bacteria must be isolated […]
Chapter 27 1 Which of the following statements about protists is true
CHAPTER 27—PROTISTS MULTIPLE CHOICE 1. Which of the following statements about protists is true? a. They are the simplest of eukaryotes. b. They are generally aquatic. c. They are members of a single kingdom d. They are the simplest of […]
Chapter 27 2 The fruiting body is the structure with the label
60. The fruiting body is the structure with the label a. A. b. B. c. C. d. D. e. E. ANS: A PTS: 1 DIF: Easy OBJ: Bloom‘s Taxonomy: Knowledge TOP: 27.2 THE PROTIST GROUPS 61. The slug is the […]
Chapter 28 The first organisms to adapt to life in intertidal zones
CHAPTER 28—SEEDLESS PLANTS MULTIPLE CHOICE 1. The first organisms to adapt to life in intertidal zones were probably ____. a. plants b. cyanobacteria c. green algae d. fungi e. animals ANS: B PTS: 1 DIF: Moderate OBJ: Bloom’s Taxonomy: Knowledge […]
Chapter 29 Only Plants With Flowers Because years Ago expression The
CHAPTER 29—SEED PLANTS MULTIPLE CHOICE 1. Botanically, the fibers in your cotton t-shirt are _____. a. angiosperm seeds d. fibers from pine needles b. gymnosperm seeds e. cellulose-rich hairs c. lignin fibers ANS: E PTS: 1 DIF: Moderate OBJ: Bloom’s […]
Chapter 3 1 Earth This Unbranched Chain Glucose Subunits The primary
CHAPTER 3—BIOLOGICAL MOLECULES: THE CARBON COMPOUNDS OF LIFE MULTIPLE CHOICE 1. Most life on Earth depends, directly or indirectly, on a process that combines water and carbon dioxide to make carbon-based compounds. This process is called a. aerobic respiration. b. […]
Chapter 3 2 The two amino acids depicted above both have side groups
© 2014 Brooks/Cole, Cengage Learning 65. The two amino acids depicted above both have side groups (R groups) that are a. acidic and polar. b. uncharged and nonpolar. c. basic and polar. d. positively and negatively charged and nonpolar. e. […]
Chapter 30 Worldwide, decay of organic matter is important to the global
CHAPTER 30—FUNGI MULTIPLE CHOICE 1. Worldwide, decay of organic matter is important to the global carbon cycle because it ____ tens of billions of tons of carbon dioxide each year. a. removes from the atmosphere b. prevents the planet from […]
Chapter 31 1 The Burgess Shale formation in western Canada
CHAPTER 31—ANIMAL PHYLOGENY, ACOELOMATES, AND PROTOSTOMES MULTIPLE CHOICE 1. The Burgess Shale formation in western Canada, with fossils dating to about ____ years ago, includes a wide variety of animal fossils such as Hallucingenia and Opabinia. a. 4 billion b. […]
Chapter 31 2 Among other Structures Their Head Has One Pair
53. Members of the lineage ____ are commonly called chitons. They have a dorsal shell divided into eight plates that allow it to conform to irregularly shaped surfaces. a. Cephalopoda b. Polyplacophora c. Bivalvia d. Gastropoda e. Scaphopoda ANS: B […]
Chapter 32 1 The duck-billed platypus shares which of the following
CHAPTER 32—DEUTEROSTOMES: VERTEBRATES AND THEIR CLOSEST RELATIVES MULTIPLE CHOICE 1. The duck-billed platypus shares which of the following traits with non-mammalian animals? a. teeth. b. lack of cloaca. c. laying eggs. d. hair. e. females produce mile. ANS: C PTS: […]
Chapter 32 2 In the amniote egg diagram shown, the item labeled
49. In the amniote egg diagram shown, the item labeled “2” is the a. yolk sac. b. chorion. c. allantois. d. amnion. e. albumin. ANS: C PTS: 1 DIF: Moderate REF: Figure 32.22 OBJ: Bloom‘s Taxonomy: Knowledge TOP: 32.7 THE […]
Chapter 33 Which of the following is NOT typically found in primary
CHAPTER 33—THE PLANT BODY MULTIPLE CHOICE 1. Human agriculture started about ______ years ago. a. 100 b. 1,000 c. 11,000 d. 110,000 e. 1,100,000 ANS: C PTS: 1 DIF: Easy OBJ: Bloom’s Taxonomy: Knowledge TOP: 33.0 WHY IT MATTERS 2. […]
Chapter 34 1 The process that a tall tree uses to move water to the
CHAPTER 34—TRANSPORT IN PLANTS MULTIPLE CHOICE 1. The process that a tall tree uses to move water to the leaves at the top of the tree involves primarily a. cohesion and evaporation. b. evaporation and pumps. c. capillary action and […]
Chapter 34 2 Under which condition would you expect essentially no transpiration
50. Under which condition would you expect essentially no transpiration to occur? a. brisk winds b. 100 percent relative humidity c. no winds d. 1 percent relative humidity e. hot air temperature and no winds ANS: B PTS: 1 DIF: […]
Chapter 35 1 Which of the following is typically FALSE for tropical rainforests
CHAPTER 35—PLANT NUTRITION MULTIPLE CHOICE 1. Which of the following is typically FALSE for tropical rainforests? a. Tropical rainforests are biologically diverse ecosystems. b. Tropical rainforest soils have high acidity. c. Minerals such as calcium and phosphorus are subject to […]
Chapter 36 2 Fleshy fruits, such as blueberries, usually aid seed dispersal
TOP: 36.3 POLLINATION, FERTILIZATION, AND GERMINATION 51. A(n) ____ is a seed leaf. a. suspensor b. epicotyl c. hypocotyl d. endosperm e. cotyledon ANS: E PTS: 1 DIF: Easy OBJ: Bloom‘s Taxonomy: Knowledge TOP: 36.3 POLLINATION, FERTILIZATION, AND GERMINATION 52. […]
Chapter 36 Unlike most angiosperms, Theobroma cacao flowers are produced
CHAPTER 36—REPRODUCTION AND DEVELOPMENT IN FLOWERING PLANTS MULTIPLE CHOICE 1. Unlike most angiosperms, Theobroma cacao flowers are produced a. at the tips of floral shoots. b. from buds on the roots. c. from buds on the tree trunk. d. asexually. […]
Chapter 37 1 Creosote bush clusters have been shown to be descendant
CHAPTER 37—PLANT SIGNALS AND RESPONSES TO THE ENVIRONMENT MULTIPLE CHOICE 1. Creosote bush clusters have been shown to be descendant from single seeds that germinated a. in mesic environments. b. 9,000 to 11,000 years ago. c. from asexual reproduction. d. […]
Chapter 37 2 Recent molecular research shows that plant responses
49. Recent molecular research shows that plant responses to stress involve the same chemical steps as ______ responses to stress. a. fungal b. amphibian c. algal d. human e. bacterial ANS: D PTS: 1 DIF: Moderate OBJ: Bloom‘s Taxonomy: Knowledge […]
Chapter 38 Blooms Taxonomy Application top Coordination Tissues Organs
CHAPTER 38—INTRODUCTION TO ANIMAL ORGANIZATION AND PHYSIOLOGY MULTIPLE CHOICE 1. Maintenance of the body’s internal environment at relatively constant levels is called a. feedback. b. homeostasis. c. physiology. d. natural selection. e. feedforward. ANS: B PTS: 1 DIF: Easy OBJ: […]
Chapter 39 Nervous system cells that send and receive electrical signals
CHAPTER 39—INFORMATION FLOW AND THE NEURON MULTIPLE CHOICE 1. Nervous system cells that send and receive electrical signals, for example, when a dog is anticipating the throwing of a Frisbee, are called a. receptors. b. neurons. c. sensors. d. glial […]
Chapter 4 1 The Energy Currency The Cell The Coupling
CHAPTER 4—ENERGY, ENZYMES, AND BIOLOGICAL REACTIONS MULTIPLE CHOICE 1. The term that best describes all of the chemical reactions of a cell, including acquisition and use of molecules and energy, is a. metabolism. b. anabolism. c. catabolism. d. energy budget. […]
Chapter 4 2 Which The Following Not Mechanism Which enzymes Function a
© 2014 Brooks/Cole, Cengage Learning Use the graph above for the following question(s). 47. The optimal pH for enzyme 1 is: a. 2. b. 3. c. 4. d. 5. e. 6. ANS: B PTS: 1 DIF: Moderate REF: Figure 4.16 […]
Chapter 40 1 The anatomical orientation or arrangement of the nervous
CHAPTER 40—NERVOUS SYSTEMS MULTIPLE CHOICE 1. A fly is attracted to a symphony conductor’s a. hand movements. b. sounds of the moving baton. c. organic matter on the conductor’s nose. d. black bow tie. e. white shirt. ANS: C PTS: […]
Chapter 41 1 They Would Able See Some Details And
CHAPTER 41—SENSORY SYSTEMS MULTIPLE CHOICE 1. Bats use high ultrasonic sounds to perceive their environment much like humans use radar. In animals, this process of detecting objects is called a. sound reflection navigation. b. extra sensory perception. c. echolocation. d. […]
Chapter 41 2 have been theorized to help many types of animals navigate
823 54. Magnetoreceptors ____. a. are well characterized and understood b. are known to rely on the mineral magnetite c. have been theorized to help many types of animals navigate huge distances in their annual migrations d. have been studied […]
Chapter 42 One Causes Hyperglycemia While The Other Causes
CHAPTER 42—THE ENDOCRINE SYSTEM MULTIPLE CHOICE 1. In nature, most animals have young during seasons of abundant food. The timing of these events are dictated by environmental cues and a. metabolism. b. endocrine activity. c. catabolism. d. ecological events. e. […]
Chapter 43 About how long is required for a Mexican leaf frog to capture
CHAPTER 43—MUSCLES, BONES, AND BODY MOVEMENTS MULTIPLE CHOICE 1. About how long is required for a Mexican leaf frog to capture a cricket, from the beginning of movement by the frog to the closing of the frog’s mouth? a. 50 […]
Chapter 44 Augustus Waller invented a machine that measures
CHAPTER 44—THE CIRCULATORY SYSTEM MULTIPLE CHOICE 1. Augustus Waller invented a machine that measures a. blood pressure when the ventricles are contracting. b. blood pressure when the ventricles are relaxed. c. cardiac output. d. electrical activity of the brain. e. […]
Chapter 45 1 Specific Defenses The Constant Region Light Chain
CHAPTER 45—DEFENSES AGAINST DISEASE MULTIPLE CHOICE 1. Acquired immune deficiency syndrome (AIDS) now infects about a. 20 million people; however, the number is decreasing because of an effective vaccination campaign. b. 20 million people; however, the number is decreasing because […]
Chapter 45 2 Which of the following can be present in a vaccine
51. Which of the following can be present in a vaccine? a. live pathogen b. weakened B-cells c. unmodified antigen from a pathogen d. killed pathogen or weakened pathogen e. killed pathogen or weakened pathogen or unmodified antigen from a […]
Chapter 46 which are most sensitive to reduced O2 levels
CHAPTER 46—GAS EXCHANGE: THE RESPIRATORY SYSTEM MULTIPLE CHOICE 1. Of the following cells, which are most sensitive to reduced O2 levels? a. heart cells b. kidney cells c. liver cells d. brain cells e. pancreatic cells ANS: D PTS: 1 […]
Chapter 47 1 The anglerfish obtains food by catching the fish with its appendages
CHAPTER 47—ANIMAL NUTRITION MULTIPLE CHOICE 1. The anglerfish obtains food by a. catching the fish with its appendages. b. emitting a scent into the water. c. swimming to the surface. d. inverting its stomach. e. luring the fish near its […]
Chapter 47 2 When fat enters the duodenum, it stimulates release
59. When fat enters the duodenum, it stimulates release of which hormone? a. amylase b. cholecystokinin c. gastrin d. secretin e. trypsin ANS: B PTS: 1 DIF: Difficult OBJ: Bloom‘s Taxonomy: Knowledge TOP: 47.4 REGULATION OF THE DIGESTIVE PROCESS 60. […]
Chapter 48 1 If you were stranded in the Sahara Desert with very little water
956 CHAPTER 48—REGULATING THE INTERNAL ENVIRONMENT MULTIPLE CHOICE 1. If you were stranded in the Sahara Desert with very little water, you would likely die as a result of a. dehydration. b. hyperthermia. c. hypothermia. d. dehydration and hyperthermia. e. […]
Chapter 48 2 The filtration rate at the Bowman’s capsule is kept constant
51. The filtration rate at the Bowman’s capsule is kept constant in response to small variations in blood pressure by the actions of a. the renin-angiotensin-aldosterone system. b. osmoreceptors. c. atrial natriuretic factor. d. the juxtaglomerular apparatus. e. antidiuretic hormone. […]
Chapter 49 1 Which of the following statements about the palolo worm
CHAPTER 49—ANIMAL REPRODUCTION MULTIPLE CHOICE 1. Which of the following statements about the palolo worm is FALSE? a. Its scientific name is Eunice viridis. b. It is a polychaete annelid. c. It lives in coral reefs. d. It produces gamete-filled […]
Chapter 49 2 Marc and his colleagues demonstrated which
©2014 Brooks/Cole, Cengage Learning Use the figure above for the following question(s). 59. The gray matter that surrounds cells 3, 4, 5 and 6 indicates the a. primordial germ cell. b. spermatogonium. c. Leydig cell. d. Sertoli cell. e. Ballack […]
Chapter 5 1 Cytoskeletal Elements Are Assembled From A Proteins b
CHAPTER 5—THE CELL: AN OVERVIEW MULTIPLE CHOICE 1. The first observed cells were from ____. a. cork b. a maple leaf c. human skin d. pollen e. bacteria ANS: A PTS: 1 DIF: Easy OBJ: Bloom’s Taxonomy: Knowledge TOP: 5.0 […]
Chapter 5 2 A supportive cell wall is found surrounding the plasma
70. A supportive cell wall is found surrounding the plasma membrane of each of the following types of cells EXCEPT ____. a. plant cells b. fungal cells c. many types of protists d. animal cells e. bacterial cells ANS: D […]
Chapter 50 Uterine contractions are most likely an example of
CHAPTER 50—ANIMAL DEVELOPMENT MULTIPLE CHOICE 1. Uterine contractions are most likely an example of a. a unique human reproductive phenomena. b. negative feedback. c. positive feedback. d. programmed events. e. positive feedback and programmed events. ANS: C PTS: 1 DIF: […]
Chapter 51 Write The Letter The Ecological Level
CHAPTER 51—ECOLOGY AND THE BIOSPHERE MULTIPLE CHOICE 1. Which of the following events would NOT be expected to occur during a strong El Niño year? a. heavy rains in the central and eastern Pacific ocean b. upwelling of cold water […]
Chapter 52 Rabbits introduced to Australia overpopulated because in
CHAPTER 52—POPULATION ECOLOGY MULTIPLE CHOICE 1. Rabbits introduced to Australia overpopulated because in their new habitat ____. a. people rarely hunted them b. they had no natural diseases c. they had no natural predators d. their food supply was larger […]
Chapter 53 Put The Following Stages Primary Succession
CHAPTER 53—POPULATION INTERACTIONS AND COMMUNITY ECOLOGY MULTIPLE CHOICE 1. If cowbird eggs are included in an oropendola nest in the open woodlands of Central America, what would be the expected outcome? a. The cowbird eggs would be ejected from the […]
Chapter 54 Put The Following Stages The Phosphorus
CHAPTER 54—ECOSYSTEMS MULTIPLE CHOICE 1. Between the 1930s and the 1970s, the amount of all of the following except ____ increased in Lake Erie. a. coliform bacteria b. phosphorus c. phytoplankton d. sewage e. fish population sizes ANS: E PTS: […]
Chapter 55 Economic Tools One Estimation The Gross Global
CHAPTER 55—BIODIVERSITY AND CONSERVATION BIOLOGY MULTIPLE CHOICE 1. Biologists have recently been interested in Miss Waldron’s red colobus monkey (Procolobus badius) because it is ____. a. increasing in numbers b. a pest to farmers c. thought to be extinct d. […]
Chapter 56 1 When behavioral biologists look at the ultimate evolutionary
CHAPTER 56—ANIMAL BEHAVIOR MULTIPLE CHOICE 1. The songs of sparrows are _____. a. all genetically identical b. adaptively dissimilar c. characteristic of it species and its species alone. d. characteristic of all mating songs e. all related to predator avoidance […]
Chapter 56 2 Sequence The Following Events With The Final
46. A subordinate animal in a dominance hierarchy has limited access to food and mates. Why would he remain in a social group that dominated him? a. He is exhibiting altruistic behavior. b. His chances of survival and reproduction are […]
Chapter 6 1 Increase Cholesterol Content Only b Increase Protein Content
CHAPTER 6—MEMBRANES AND TRANSPORT MULTIPLE CHOICE 1. Organisms must constantly bring in certain molecules and ions while keeping others out. This function is accomplished by ____. a. the nucleus b. lysosomes c. vesicles d. the plasma membrane e. the Golgi […]
Chapter 6 2 Arrange The Following Steps Involved Secondary
50. The Na+/K+ pump creates a ____ charge inside the cell and a ____ charge outside the cell. a. negative; negative b. positive; negative c. positive; positive d. negative; positive e. neutral; positive ANS: D PTS: 1 DIF: Moderate OBJ: […]
Chapter 7 1 Arrange The Following Steps The Pathway
CHAPTER 7—CELL COMMUNICATION MULTIPLE CHOICE 1. In order for a cell to receive a signal, it must possess an appropriate ____. a. glycolipid b. glycoprotein c. receptor d. transfer protein e. hormone ANS: C PTS: 1 DIF: Easy OBJ: Bloom’s […]
Chapter 8 1 Which The following Molecules Are Not Required For
CHAPTER 8—HARVESTING CHEMICAL ENERGY: CELLULAR RESPIRATION MULTIPLE CHOICE 1. It has been thought that many diseases now associated with aging are related to malfunctioning mitochondria. Why are the mitochondria so important to all cells? a. They produce energy in the […]
Chapter 8 2 Arrange The Following Steps Cellular Respiration
49. What must be true when electrons are passed between protein complexes? a. Electrons are directly passed from one complex to the next by physical contact. b. The oxidized electron carrier passes on the electron and becomes reduced. c. A […]
Chapter 9 1 why were the oxygen-requiring bacteria clustered around
CHAPTER 9—PHOTOSYNTHESIS MULTIPLE CHOICE 1. In Engelmann’s classic experiment, why were the oxygen-requiring bacteria clustered around the regions of Spirogyra algae that were bathed in red, blue, and violet light? a. Chlorophyll is green and thus reflects green light. b. […]
Chapter 9 2 The efficiency of photosynthesis is reduced a
51. The efficiency of photosynthesis is reduced a. by the damaging effects of excess humidity. b. by the damaging effects of excess intermediates in the light-dependent reactions. c. by the low efficiency of ATP synthase. d. by inhibition of rubisco […]