Questions and answers by

Alex

Questions (3,107)

Models Versus Actual Body Systems Quick Check1 of 51 of 5 Items Question People donate bone marrow so those in need can
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This organ system releases a signal when you are hungry. Which organ system receives this stimulus?(1 point) Responses nervous
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Make the connection: your heart is dependent on oxygen from your respiratory system, and it is delivered by the(1 point)Response
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A football player gets tackled during the game, which of the following body systems is responsible for protecting their
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Which system comprises of skin, hair, and other parts of the outermost layer of the body?(1 point)Responses endocrine system
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QuestionHow does the nervous system influence the respiratory system?(1 point) Responses It stimulates defense against
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Modeling Body Systems Quick Check3 of 53 of 5 Items Question The pizza that you ate for lunch is being digested. Summarize what
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Where does most of the absorption of nutrients occur?(1 point)Responses large intestine large intestine stomach stomach small
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What is the role of the nervous system in digestion?(1 point)Responses to provide enzymes to provide enzymes to provide passage
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If the symbol “→” means “make up”, which of the following answer choices correctly demonstrates the relationship
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QuestionTo which part of the nervous system do the cranial nerves belong?(1 point) Responses the central nervous system the
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The diaphragm can be classified as part of which two organ systems?(1 point)Responses circulatory and respiratory circulatory
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Use the dictionary definition to answer the question.etcetera (et ‘se tә rә) n. a Latin word meaning an unspecified number
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"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy Everyone wants to save the bees. But as populations decline
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QuestionWhich of the following belongs in an objective summary?(1 point) Responses important supporting details important
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QuestionWhat is most necessary for a coherent text to do?(1 point) Responses include a detailed description of ideas include a
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QuestionWhy does the sequence of ideas matter in an informational text?(1 point) Responses It helps readers learn the most
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What does it mean for an author to present information in a logical sequence?(1 point)Responses It means the causes are paired
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What information does an introduction provide for readers?(1 point)Responses An introduction helps readers identify the claim or
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QuestionWhich word describes the facts and information that support an idea or analysis?(1 point) Responses claim claim
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Developing Ideas Quick Check2 of 52 of 5 Items Feature "Lonesome George's Genome Offers Clues to Long Life" by Vicky Stein
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"Lonesome George's Genome Offers Clues to Long Life"by Vicky Stein Lonesome George, a wizened Galapagos giant tortoise, was the
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What helps readers interpret an informational text to find the central idea?(1 point)Responses other texts on the same subject
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QuestionDrag and drop the words into the correct locations. Answers may be used more than once.(2 points) Put responses in the
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What is a topic?(1 point)Responses a fact, statement, or example that adds information a fact, statement, or example that adds
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What is a central idea?(1 point)Responses the general subject of a text the general subject of a text the key point the author
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Use the article excerpt to answer the question.When deaf viewers watched Nelson Mandela’s memorial last week and realized the
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Use the article excerpt to answer the question.When deaf viewers watched Nelson Mandela’s memorial last week and realized the
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QuestionWhat is tone as it relates to an informational text?(1 point) Responses the purpose an author has for writing about a
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Use the dictionary definition to answer the question.discontent (dis kәn ‘tent) adj. dissatisfied unhappy with the state of
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QuestionWhat does a diacritical mark do?(1 point) Responses shows how to pronounce words shows how to pronounce words explains
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If generate means “to produce,” what does regenerate mean?(1 point)Responses to produce the opposite to produce the opposite
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"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy If human-managed bees and bee-friendly flowers are acting as
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"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy All of the honeybee colonies tested by the researchers were
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"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy Everyone wants to save the bees. But as populations decline
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"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy The team plucked wild bumblebees from 19 sites around northern
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"Are Commercial Honeybees Making Wild Bees Sick?"by Berly McCoy Everyone wants to save the bees. But as populations decline
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Match the definition that best matches the term.(10 points)Put responses in the correct input to answer the question. Select a
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Differentiate between the lysogenic and lytic cycles.(1 point)Responses Viral proteins are synthesized during the lysogenic
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Summarize the lytic cycle.(1 point)Responses A virus copies its genetic material and then splits its cell membranes in half to
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QuestionCompare a virus to a unicellular organism.(1 point) Responses Unicellular organisms have a cell membrane made from a
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A virus mutates, and therefore it has which of the following traits of living things?(1 point)Responses It is made of cells. It
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Which activity produces an action potential in nerve cells?(1 point)Responses release of neurotransmitters release of
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A cell sends messages to itself via __________.(1 point)Responses autocrine signaling autocrine signaling the endocrine system
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What would happen to a plant if the chloroplasts in its cells became damaged?(1 point)Responses The plant would not make glucose
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Several people have made contributions to the field of microbiology. Antony van Leeuwenhoek built a microscope to examine cloth.
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“Endo” means “internal” or “within.” “Symbiosis” means “a mutually beneficial relationship.” How do modern
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Why do organelles like mitochondria and chloroplasts have their own DNA?(1 point)Responses They are responsible for their own
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Proteins are important molecules that are synthesized, transported, and used in cells in a multitude of ways. The rough
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QuestionA cell is dropped into a saltwater solution and shrivels up. You infer that, compared to the cell, the type of saltwater
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QuestionOsmosis is a form of passive transport. Which defines osmosis?(1 point) Responses the movement of water across a
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Enzymes are large protein molecules that increase the rate of chemical reactions in living systems. The substrate is the
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QuestionThe diagram shows a reaction pathway for an endothermic reaction. Which arrow represents the activation energy for the
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A large portion of cellular respiration happens in the mitochondria. For this reason, the mitochondria are known colloquially as
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During a chemical reaction, the number of atoms(1 point)Responses fluctuates fluctuates decreases decreases stays the same stays
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What are reactants in a chemical reaction?(1 point)Responses outputs outputs substances that speed up reactions substances that
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Which equation best represents conservation of matter?(1 point)Responses 3H2O + 3CO2 → C6H12O6 + 6O2 3H 2 O + 3CO 2 → C 6 H
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Which compound contains nitrogen?(1 point)Responses starch starch amino acid amino acid glucose glucose water
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Which compound is a carbohydrate?(1 point)Responses nucleotide nucleotide amino Acid amino Acid protein protein starch
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What makes amino acids unique from one another?(1 point)Responses the amino group the amino group the long strands of glucose
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QuestionWhat do amino acids, fatty acids, and sugars (monosaccharides) have in common?(1 point) Responses They are made of
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What is the definition of a hydrocarbon?(1 point)Responses large molecules that are produced by living things large molecules
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What is the significance of carbon having four valence electrons?(1 point)Responses The outermost shell can form up to four
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What process must occur for carbon, hydrogen, and oxygen atoms from sugar molecules to combine with other elements to form amino
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Which could make a source unreliable?(1 point)Responses A group of non-experts disagrees with the data published in an article.
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QuestionWhich could make a source unreliable?(1 point) Responses A group of non-experts disagrees with the data published in an
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QuestionWhich step in cellular respiration produces the most ATP?(1 point) Responses Krebs cycle Krebs cycle electron transport
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Use the image below to answer the question.The illustration shows the mitochondrial intermembrane space. Molecules enter and
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How can understanding that theories and laws operate consistently over time help explain that atoms from glucose combine with
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What is the activation energy of a reaction?(1 point)Responses the maximum energy used by the reactants as the reaction proceeds
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Which process is an example of a chemical reaction?(1 point)Responses melting melting rusting rusting boiling boiling freezing
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Which statement is true?(1 point)Responses Animals perform cellular respiration and photosynthesis, but plants only perform
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Which compound is a reactant of both cellular respiration and dehydration synthesis?(1 point)Responses water water oxygen oxygen
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The four main types of biomolecules are carbohydrates, lipids, proteins, and(1 point)Responses nucleic acids. nucleic acids.
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By performing photosynthesis, plants create everything they need to build all biomolecules. Is this true? Why or why not?(1
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By performing photosynthesis, plants create everything they need to build all biomolecules. Is this true? Why or why not?(1
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Which type of biomolecules are made up of fatty acids?(1 point)Responses nucleic acids nucleic acids carbohydrates carbohydrates
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How many electrons does carbon have?(1 point)Responses seven electrons (three in its inner shell and four in its outer shell)
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A young snake eats and digests a mouse. The increase in the snake’s mass equals(1 point)Responses the mass of the mouse plus
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Which number remains unchanged during photosynthesis?(1 point)Responses the number of carbon atoms the number of carbon atoms
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Which change is chemical?(1 point)Responses water evaporating: liquid water becoming gaseous water water evaporating: liquid
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Calculate the Target Heart Rate for a 15 year old.(220-age) x .5 (220-age) x .85 Choose the correct answer. (5 points) Responses
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QuestionWhich of the following machines in the gym is NOT used for cardiovascular fitness? (1 point) Responses Stair Climber
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a bag has 6 red marbles and 4 blue What is the probability of NOT getting a red marble?
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What are the building blocks of proteins?(1 point)Responses amino acids amino acids sugars sugars starch starch fatty acids
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Which soil-based compounds do plants use to create amino acids from glucose?(1 point)Responses hydrogen hydrogen carbon carbon
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QuestionAll biomolecules have the following traits except(1 point) Responses nitrogen elements. nitrogen elements. a carbon
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The Building Blocks of Life Quick Check1 of 51 of 5 Items Question What makes up cell membranes and is used to create
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QuestionWhich statement describes an impact of the Pan-Africanism movement?(1 point) Responses It has better unified African
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Which statement investigates the tension between Iran and the Kurds?(1 point)Responses Iran refuses to acknowledge that the
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Which statement summarizes how Myanmar has been shaped by identity in modern day?(1 point)Responses Prejudiced beliefs about the
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According to those who believe climate change is caused by individuals, what actions have led to climate change?(1 point)Respons
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Which statement correctly investigates the reason for disagreement on the causes of climate change?(1 point)Responses
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Which statement accurately compares how the United Nations, an intergovernmental organization, and The International Alliance
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Which statement summarizes the core beliefs of the feminist movement?(1 point)Responses Feminists believe women should have
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Which of the following is a way we can investigate global humanitarian causes?(1 point)Responses Asking a librarian for help
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Do all governments have the same level of wealth and resources? Provide an example.(1 point)Responses All governments have the
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Compare how governmental and nongovernmental organizations provide humanitarian efforts around the world.(1 point)Responses Both
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Compare terrorism to other forms of warfare in the contemporary world.(1 point)Responses Compared to other forms, terrorism uses
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QuestionAnalyze how the Geneva Conventions of 1949 and their additional protocols impacted world challenges.(1 point) Responses
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