Bio 101 Final Straighterline Exam Questions And Answers Latest Updated 2024 (100% VERIFIED)

Bio 101 Final Straighterline Exam Questions And Answers Latest Updated 2024 (100% VERIFIED) You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of the ocean? a. abyssal b. bathypelagic c. epipelagic d. mesopelagic - Correct Answer-bathypelagic What was the first seed plant to appear? a. angiosperm b. bryophytes c. gymnosperm d. nonvascular plants - Correct Answer-gymnosperm In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate? a. They will have affected offspring. b. They will have unaffected offspring. c. Cannot be determined based on the information given. d. There is a 25% chance they will have affected offspring. - Correct Answer-They will have unaffected offspring. Both bacteria and archaea are which of the following types of organism? a. eukaryotic b. prokaryotic c. nucleoplasmic d. multicellular - Correct Answer-prokaryotic Which of the following accurately describes transcriptional control of gene expression in eukaryotes? a. Activators trigger sequences of DNA transcription factors to be expressed b. Dependent on interactions of mRNA sequences with ribosomes c. Promoters help transcription factors bind to RNA polymerases Bio 101 Final Straighterline Exam Questions And Answers Latest Updated 2024 (100% VERIFIED) d. Transcription factors help RNA polymerase bind to promoter sequences - Correct Answer-Transcription factors help RNA polymerase bind to promoter sequences Based on their chemical equations, photosynthesis and cellular respiration have which of the following relationships? a. equivalent reactions b. incomplete reactions c. opposite reactions d. unrelated reactions - Correct Answer-opposite reactions Which of the following parts of a plant seed turns into the root system? a. cotyledon b. epicotyl c. hypocotyl d. radicle - Correct Answer-radicle Which of the following equations is often used to show that an enzyme has formed a complex with its substrate? Select one: a. enzyme + product ⇒ substrate + enzyme ⇒ enzyme-substrate complex b. enzyme + substrate ⇒ product + enzyme ⇒ enzyme-substrate complex c. product + enzyme ⇒ enzyme-substrate complex ⇒ substrate + product d. substrate + enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product - Correct Answer-d. substrate + enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product What type of muscle cell has branching, striated cells, each containing a single nucleus? a. cardiac muscle b. rough muscle c. skeletal muscle d. smooth muscle - Correct Answer-cardiac muscle Which of the following cell structures is associated with cellular respiration? a. Golgi apparatus b. lysomes c. mitochondria d. vacuoles - Correct Answer-mitochondria Male peacocks having more ornate plumage than their female counterparts is an example of which of the following features of ecological behavior? a. monogamy b. sexual dimorphism c. sexual selection d. territoriality - Correct Answer-sexual dimorphism Which organic molecule is composed of an amino group, a carboxylic acid group, and an R group? A. carbohydrate B. phospholipid C. amino acid D. nucleotide - Correct Answer-amino acid Which step of the photosynthesis pathway produces a carbohydrate from CO2 in the atmosphere? A. the light reactions B. ATP production C. the Calvin cycle D. the C4 pathway - Correct Answer-the Calvin cycle Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and 2 ATP? A. Glycolysis B. Fermentation C. Citric Acid Cycle D. Electron Transport Chain - Correct Answer-Citric Acid Cycle Which membranous organelle, present in both animal and plant cells, is primarily used for storage? A. the vacuole B. the Golgi apparatus C. the lysosome D. the mitochondrion - Correct Answer-the vacuole Plants are capable of growth throughout their entire lifespan because of specialized tissue known as the A. petiole B. cotyledon C. xylem D. meristem - Correct Answer-meristem Which group of hominids had an appearance similar to modern man and hunted cooperatively using advanced stone tools? A. Homo habilis B. Homo floresiensis C. Cro-Magnons D. Neandertals - Correct Answer-Cro-Magnons To bypass the pulmonary circulation in the fetal heart, much of the blood entering the right atrium is shunted directly to the left atrium through the A. foramen ovale. B. vernix caseosa. C. fontanel. D. umbilical cord. - Correct Answer-foramen ovale The phenomenon that occurs when two alleles of the same gene are expressed equally in a heterozygote is called A. incomplete dominance. B. polygenic inheritance. C. codominance. D. dihybrid - Correct Answer-codominance Which members of an ecosystem occupy the first trophic level of a food web? A. Autotrophs B. Herbivores C. Omnivores D. Carnivores - Correct Answer-Autotrophs Which form of symbiosis resembles the predator-prey relationship in which one species benefits while the other species is harmed? A. Mimicry B. Parasitism C. Commensalism D. Mutualism - Correct Answer-Parasitism Behavior that may reduce an individual's lifetime reproductive success, but benefit one of their relatives is referred to as A. operant conditioning B. imprinting C. altruism. D. territoriality. - Correct Answer-altruism EMAIL ME: EMAIL ME: Which agent of evolutionary change occurs when a population's allele frequency is altered due to chance? A. genetic drift B. gene flow C. nonrandom mating D. natural selection - Correct Answer-genetic drift Which region of the biome chart below represents temperate deciduous forests? - Correct Answer-A A physician specializes in surgery involving the following group of organs: mouth, esophagus, stomach and intestines. Overall, this physician is specialized at which level of organization? a. cell b. tissue c. organ d. organ system e. organism - Correct Answer-organ system Which answer choice lists the steps of the scientific method in the correct order? a. hypothesis, observation, experiment, conclusion, scientific theory b. conclusion, hypothesis, observation, experiment, scientific theory c. observation, hypothesis, experiment, conclusion, scientific theory d. observation, experiment, hypothesis, conclusion, scientific theory e. scientific theory, conclusion, hypothesis, experiment, observation - Correct Answer-c. observation, hypothesis, experiment, conclusion, scientific theory Which statement regarding the scientific method is false? a. Inductive reasoning is used to form a hypothesis. b. Observations are used to form a hypothesis. c. Experiments need to be repeatable. d. Original hypotheses are formed after an experiment. e. The control and experimental group are identical except for one variable. - Correct Answer-Original hypotheses are formed after an experiment. Which of these classification categories contains the closest related organisms? a. domain b. genus c. family d. phylum e. kingdom - Correct Answer-genus EMAIL ME: Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life? a. Living things grow and develop. b. Living things respond to stimuli. c. Living things maintain themselves by homeostasis. d. Living things have levels of hierarchical organization. e. Living things are adapted to the environment. - Correct Answer-Living things have levels of hierarchical organization. When comparing energy and chemicals in an ecosystem, a. both chemicals and energy cycle over and over again. b. chemicals cycle over and over again but energy flows through once. c. both chemicals and energy flow through once. d. energy cycles over and over again but chemicals flow through once. e. neither cycle nor flow but both are simply present. - Correct Answer-chemicals cycle over and over again but energy flows through once. Which statement regarding the scientific method is false? a. A theory that has been repeatedly supported is sometimes called a law. b. Consistent observations about a hypothesis may lead to a theory. c. Theories formed in everyday life carry the same validity as a scientific theory. d. Only one experimental variable is used in a controlled experiment. e. Published research should provide enough detail to allow anyone to repeat the experiment in the same manner. - Correct Answer-Theories formed in everyday life carry the same validity as a scientific theory Which of these is an example of inductive reasoning used to form a hypothesis? a. Every fungus that has ever been studied absorbs its food; therefore, food absorption is characteristic of fungi. b. All fungi absorb their food; if mushroom are fungi; then the mushroom absorbs its food. c. A mushroom is classified in the kingdom Fungi of the domain Eukarya. d. This cell from a mushroom has a nucleus. e. Fungi are not capable of photosynthesis. - Correct Answer-Every fungus that has ever been studied absorbs its food; therefore, food absorption is characteristic of fungi. Which of the following is one of the domains of life? a. Animalia b. Eukarya c. Molds EMAIL ME: d. Protista e. Fungi - Correct Answer-Eukarya When you are overheated, you perspire, and when you are too cold, you shiver to generate heat. Which property of life is best represented by this example? a. homeostasis b. development c. behavior d. organization e. adaptation - Correct Answer-homeostasis The layer where organisms can exist on the surface of the earth is the a. biosphere. b. ecosystem. c. population. d. homeostasis. e. community. - Correct Answer-biosphere Which domains contain organisms that lack a membrane bound nucleus? a. Archaea & Bacteria b. Archaea & Eukarya c. Bacteria & Eukarya d. Eukarya & Animalia e. Archaea & Animalia - Correct Answer-Archaea & Bacteria The term "biodiversity" refers to