The elements that present in Protoplasm Carbon, Hydrogen Carbon, Hydrogen, Nitrogen, and Oxygen Carbon, Nitrogen, and Oxygen O Helium, Carbon, Oxygen
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- Which of the following statements is a correct distinctionbetween autotrophs and heterotrophs?(A) Autotrophs, but not heterotrophs, can nourish themselvesbeginning with CO2 and other nutrients that are inorganic.(B) Only heterotrophs require chemical compounds from theenvironment.(C) Cellular respiration is unique to heterotrophs.(D) Only heterotrophs have mitochondria.What happens to a molecule when it is oxidized? Electrons are gained Electrons are lost Electrons are converted into neutrons Electrons are converted into protons Electrons combine with a proton to produce a protoelectron(biogenesis)- proved that life comes from life because the flies were not in the sealed container Flask sealed Flask covered with gauze Flask unsealed In the 1950s, scientists Miller and Urey conducted a classic experiment in which wa methane, ammonia, and hydrogen were sealed in a flask containing a pair of electr electric spark was fired between the electrodes, and after a week's time, they found acids were present in the flask. Which of the following best explains the significance Corth?
- Heterotrophs Group of answer choices cannot produce their own organic molecules (such as sugars) directly. include all plants but only some animals. can convert inorganic molecules such as CO2 into organic molecules. undergo photosythesis but do not undergo cellular respiration.Which molecule is produced by photosynthesis? NADH Carbon dioxide Water OxygenFour process that may be used to refine oil
- It is not so difficult to imagine what it means to feedon the organic molecules that living things produce. Thatis, after all, what we do. But what does it mean to “feed” onsunlight, as phototrophs do? Or, even stranger, to “feed” onrocks, as lithotrophs do? Where is the “food,” for example,in the mixture of chemicals (H2S, H2, CO, Mn+, Fe2+, Ni2+,CH4, and NH4+) that spews from a hydrothermal vent?Which reactant makes cellular respiration more efficient than fermentation when making ATP? aWater bOxygen cGlucose dCarbon DioxideWhich of the following is NOT an example of anabolism? DNA replication in the nucleus Protein synthesis at the ribosome Condensation reactions Hydrolysis of starch in the mouth Glycogen formation in the liver
- The process that occurs in the structure shown is photosynthesis protein synthesis cellular respiration inter-cellular digestion GlycolysisIf an organism is said to be a chemoautotroph, which of the following statements is true? The organism could be a mammal. The organism is able to synthesize its own food by breaking apart chemical bonds in inorganic compounds. O The organism must eat organic compounds in order to obtain energy. The organism depends on sunlight for manufacturing it's own food eneThe products of the Kreb's cycle are NADPH, ADP, FAD, CO2, NAD+ NADPH, FADH2, ATP, CO2, oxygen NADH, FADH2, ATP, CO2, water Water, CO2, NAD+, ATP NAD, FAD, ADP, oxygen, water O