Questions and answers by

Strawberry Cow

Questions (340)

In their experiment, students used glucose as the sugar being fermented. A group of students wanted to experiment further to see
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The chemical reactions associated with photosynthesis can be summarized with the following chemical equation: 6CO2 + 12H2O +
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Which statement is true?(1 point)Responses Most protists only respire with oxygen. Most protists only respire with oxygen. Most
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How can Gram staining be used to determine how bacteria respond to their environments?(1 point)Responses Gram staining helps
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Which activity uses ATP to raise body temperature?(1 point)Responses panting panting storing fats storing fats shivering
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Which statement is true?(1 point)Responses Ectotherms can insulate (stop heat loss from) their bodies and can control their body
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How many O2 molecules are required for two glucose molecules to undergo cellular respiration?(1 point)Responses 2 2 12 12 18 18
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Which compound is a reactant in cellular respiration?(1 point)Responses oxygen oxygen water water ATP ATP carbon dioxide
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During which phase of cellular respiration is carbon dioxide released?(1 point)Responses digestion digestion Kreb's cycle Kreb's
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Which molecule provides the activation energy that starts glycolysis? (Not which molecule is broken down during glycolysis)(1
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In the Krebs cycle, how is citric acid formed?(1 point)Responses Acetyl-CoA joins with a large molecule called oxaloacetic acid.
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Lactic acid fermentation can be modeled by which equation?(1 point)Responses Pyruvic acid + NAD+ → Lactic acid + NADH Pyruvic
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Which equation best models cellular respiration?(1 point)Responses 6H2O + 6CO2 → C6H12O6 + 6O2 + Energy 6H 2 O + 6CO 2 → C 6
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The original energy for photosynthesis to begin comes from:(1 point)Responses carbon dioxide molecules carbon dioxide molecules
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Which statement is true?(1 point)Responses The Calvin cycle is the light-independent (does not need light) step of
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In “Orphans Give Indian Couple Will to Live,” the Paramesvarans are offended by the term orphans because(1 point) Responses
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In An Inconvenient Truth, the main greenhouse gas is(1 point) Responses carbon dioxide. carbon dioxide. nitrous oxide. nitrous
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Choose the answer that best matches the word in italics. Use context clues to determine the meaning of the word, if necessary.Th
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Choose the answer that best matches the word in italics. Use context clues to determine the meaning of the word, if necessary.Fo
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Choose the answer that best matches the word in italics. Use context clues to determine the meaning of the word, if necessary.Th
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Biological systems react to stimuli, for example hot conditions. The reaction starts with sensors, followed by controls, and
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The world's most popular type of banana is facing a major health crisis. According to a new study, a disease caused by a
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A student walks to school in the morning when the outside temperature is 60º F. when the same student walks home after school,
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Biological systems react to stimuli, for example hot conditions. The reaction starts with sensors, followed by controls, and
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2. 69 views
Students were asked to design a lab that investigated the relationship between heart rate and exercise. Heart rate was
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2. 94 views
Glucose is a form of sugar found in the blood. Cells use glucose as a source of energy, but too much or too little can cause
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This diagram shows a feedback loop in the human body that helps maintain homeostasis. Which of the following is the most likely
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When the level of carbon dioxide in the blood is too high, the excess carbon dioxide reacts with water and produces carbonic
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A reaction in this process (diagram above) is the removal of excess water. What was the stimulus directly causing this reaction?
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The diagram below shows the stages of the lytic cycle. Match each stage to the description listed for that cycle.Note: Letter
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The models below are set up to represent how a cell responds to imbalances in solute concentration. Match the correct arrow set
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Select the statement below that best explains how the data in Source 2 provides evidence of a subsystem of Chase's body
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Using Source 1, choose the statement below that correctly describes one way the Gatorade affects Chase’s body systems
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Based on Source 1, what explanation for why it is important for Chase to drink Gatorade during the football game is most
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The models below are set up to represent how a cell responds to imbalances in solute concentration. Match the correct arrow set
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Dialysis bags can be used as models of cells to explore the movement of materials into and out of cells. Students set up an
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Use the scenario to answer the question.Scenario: You observe the growth of a group of plants that have been tipped over. How
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Unlike ferns, angiosperms use ________ to contain their embryos.(1 point)Responses pollen seeds spores sporangium
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Alternation of generations in plants permits(1 point)Responses only meiosis. only meiosis. neither mitosis nor meiosis. neither
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Which animal is often used to model human body systems?(1 point)Responses sheep cow rabbit pig
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Summarize the functions of the nervous system.(1 point)Responses The nervous system controls the muscular system by sending
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Which is the function of the esophagus?(1 point)Responses release digestive enzymes connect the mouth with the stomach absorb
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The nervous system is responsible for(1 point)Responses breaking down food and extracting nutrients. receiving and processing
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Why is the common cold virus difficult to cure in humans?(1 point)Responses It is a spherical-shaped virus with many protein
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Compare and contrast a provirus and viral DNA.(1 point)Responses A provirus is viral DNA incorporated into the host cell’s
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How are new viruses made?(1 point)Responses asexual reproduction viral DNA or RNA copied by a host cell viral DNA or RNA copied
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Neurotransmitter release is an example of ________.(1 point)Responses cellular miscommunication paracrine signaling cyclical
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What is the unique function of central vacuoles in a plant cell?(1 point)Responses they store enzymes they store ribosomes they
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Which type of microscopes was developed most recently?(1 point)Responses light-based microscope electron microscope fluorescence
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If eukaryotes all came about due to endosymbiosis, what would result from that?(1 point)Responses ancient prokaryotes living
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The genetic material of the eukaryotic cell is stored inside which organelle?(1 point)Responses Endoplasmic Reticulum Ribosome
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Recall what you know about hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the
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Which of the following would correctly compare and contrast the functions of the chloroplast and the mitochondrion?* 1 point
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The genetic material of the eukaryotic cell is stored inside which organelle?* 1 point nucleus ribosome endoplasmic reticulum
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What is the primary function of the cell wall?* 1 point Support and protect the cell Store DNA Direct the activities of the cell
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Which organelle breaks down organelles that are no longer useful?* 1 point Golgi apparatus Lysosome Endoplasmic reticulum
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Compare hypertonic, hypotonic and isotonic solutions. When an environment is hypertonic what happens to the cell?* 1 point The
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Compare hypertonic, hypotonic and isotonic solutions. When an environment is hypotonic what happens to the cell?* 1 point The
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Which statement is true?(1 point)Responses In stems, auxin accumulation will occur on the side that is away from the light
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Use the scenario to answer the question.You investigate the effect of different concentrations of ethylene spray on ripening in
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Which statement is true?(1 point)Responses Abscisic acid regulates dormancy in plants by activating plant growth during cold
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Use this scenario to answer the question.After eating half of a banana as a snack, you decide to save the rest for later. There
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What is one limitation of a using a 2D computer-generated image of the digestive system instead of using the actual thing? (1
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Identify the choice that best describes the underlined word.Although I do not pretend to understand the science behind it, this
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Louis Pasteur made several major contributions to microscopy. Which was a discovery or invention made by someone other than
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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 used to be free-living
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Fill-in-the-Blank with the conjunction of the sentence.(1 point)Earth rotates on its axis and revolves around the sun.
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After years of taking exclusively academic electives, Rehana finally registered for apainting class, which made her feel both
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Which word suggests the greatest power?might strength energy
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Perry and his buddies were ecstatic about whiling away the muggy afternoon at anearby waterfall. Nothing beat this hidden oasis
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Think about how you usually wake up, listening to the sounds of annoying traffic and alarm clocks. Now imagine waking to the
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Scientists have often debated about whether animals have the capacity forhuman-like emotional connection. One possible example
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Baseball icon Babe Ruth struck out many times, but he did not let it _____ him.Choose the correct word to complete the sentence.
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My experience with Lectronica products has led me to question the company'sbusiness and manufacturing practices. Several months
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When Maureen picked up her little brother from day care, she couldn't believehow many activities were happening simultaneously.
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It took Skylar a full minute to recall the chain of events that had brought her here,deep into outer space. She had awoken from
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Feminist and suffragette Amelia Bloomer began publishing a newspaper, TheLily, in 1849. One thing Bloomer promoted in her paper
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Jefferson should move forward with its plan to build storm-water storage tanksunderground beneath Becker Boulevard. These tanks
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The involuntary twitching of a sleeping dog's paw can make us suspect thatanimals dream just like we do. Indeed, research
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Detective Allen Sliver squinted through his taped-up glasses at the forensicevidence from the heist, and agreed it seemed to be
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Many people have heard of Johnny Appleseed, but not everyone realizes he wasthe real deal, an eccentric and energetic pioneer
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The word philanthropy combines the prefix phil- with the root -anthropy. Phil-comes from the Greek philos, meaning "loving."
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The idea of electronic books, or e-books, has an indisputable allure. In reality,however, e-book technology is still too
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Anne paused to study her reflection in the mirror. She ran her fingers through hercurly auburn hair, a trait she had inherited
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Shane gazed skeptically out the kitchen window of the home his family wascontemplating purchasing. The house was fine, but the
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Mahatma Gandhi once said, "The greatness of a nation can be judged by the wayits animals are treated." Municipal officials who
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Knowing what time it was as one traveled across the vast North American continentbefore 1883 was more art than science. Most
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Specific conditions must be met for a plant or animal to fossilize. For example,almost no fossil record exists for jellyfish or
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The following passage is from James Joyce's short story "Araby":The space of sky above us was the colour of ever-changing violet
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Eventually, to regain my self-respect, I had to confessmy motives. vivacious peerless infidelity sordid
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Helen has visited several college campuses but hasnot yet decided where she will . interpolate revile matriculate transmute
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Being a proud and formal person, Elizabeth dislikedbeing referred to with the "Lizzie." diminutive plaintive subservient
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Because he was a total stranger, his kindness andgenerosity were totally to me. coherent inexplicable eminent astringent
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having already wasted millions on the project,Congress will not further funds to it. officiate habituate emanate allocate
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The movie review began with a short of theplot. copyright dispatch synopsis eclipse
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After growing up in a large family, Laura longed for amore life. secluded boisterous obsolete hydraulic
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The orchestra played alone during thebetween the acts. monotone interlude resonance inflection
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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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The diagram shows a reaction pathway for an endothermic reaction. Which arrow represents the activation energy for the forward
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