20 Questions
... down dead material and give back the nutrients to the soil so it can be used again by plants? ...
... down dead material and give back the nutrients to the soil so it can be used again by plants? ...
Origin of Life (IB)
... b. This cannot happen today due to the electronegative nature of oxygen. c. Early atmosphere- much more reducing (electron adding) d. 1953-Miller & Urey- simulated conditions of the early Earth e. Experiment produced a variety of amino acids, sugars, lipids, nucleotides and ATP. ...
... b. This cannot happen today due to the electronegative nature of oxygen. c. Early atmosphere- much more reducing (electron adding) d. 1953-Miller & Urey- simulated conditions of the early Earth e. Experiment produced a variety of amino acids, sugars, lipids, nucleotides and ATP. ...
anwers
... d) How are the abiotic factors of the three areas similar to each other and different from other biomes? All aquatic systems have easy access to water. These are all rich biomes because they are shallow and have easy access to light and anchorage. They also all receive nutrients washed down by river ...
... d) How are the abiotic factors of the three areas similar to each other and different from other biomes? All aquatic systems have easy access to water. These are all rich biomes because they are shallow and have easy access to light and anchorage. They also all receive nutrients washed down by river ...
CR Jeopardy 08-09
... What the electron carriers made in the Cellular Respiration do with their electrons. ...
... What the electron carriers made in the Cellular Respiration do with their electrons. ...
Most common elements in living things are carbon, hydrogen
... Elements & Macromolecules in Organisms Most common elements in living things are carbon, hydrogen, nitrogen, and oxygen. These four elements constitute about 95% of your body weight. All compounds can be classified in two broad categories --- organic and inorganic compounds. Organic compounds are ma ...
... Elements & Macromolecules in Organisms Most common elements in living things are carbon, hydrogen, nitrogen, and oxygen. These four elements constitute about 95% of your body weight. All compounds can be classified in two broad categories --- organic and inorganic compounds. Organic compounds are ma ...
integrated-principles-of-zoology-16th-edition-hickman
... 2. The properties of a molecule determine the role that the molecule plays in the cells or the body of an organism. Why are phospholipids useful in membranes? 3. Ask why life is based on carbon. Note the characteristics of carbon that could be responsible for this usage. Ask students to speculate wh ...
... 2. The properties of a molecule determine the role that the molecule plays in the cells or the body of an organism. Why are phospholipids useful in membranes? 3. Ask why life is based on carbon. Note the characteristics of carbon that could be responsible for this usage. Ask students to speculate wh ...
(pt=2) Define photosynthesis
... ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _______________________________________________________________ ...
... ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _______________________________________________________________ ...
Chapter 3 packet
... 10. The carbon in coal, oil, and natural gas came from A. the combustion of fossil fuels. B. the remains of dead organisms. C. carbon-fixing bacteria in swamp soil. D. carbon dioxide dissolved in ocean water. 11. How does most of the carbon in an organism’s body return to the environment after the o ...
... 10. The carbon in coal, oil, and natural gas came from A. the combustion of fossil fuels. B. the remains of dead organisms. C. carbon-fixing bacteria in swamp soil. D. carbon dioxide dissolved in ocean water. 11. How does most of the carbon in an organism’s body return to the environment after the o ...
artsy - sciencebugz
... mechanism for copying DNA The copy must be passed on from generation to generation All forms of life have the same 4 nucleotides ...
... mechanism for copying DNA The copy must be passed on from generation to generation All forms of life have the same 4 nucleotides ...
AP Biology
... 2. Use the following terms correctly in a sentence: redox reactions, oxidation, reduction, reducing agent and oxidizing agent. ...
... 2. Use the following terms correctly in a sentence: redox reactions, oxidation, reduction, reducing agent and oxidizing agent. ...
File
... NAD to NADH. Because both glycolysis and the Krebs cycle produce NADH, both of these processes shut down when there is no available.NAD. 5. If the Krebs cycle does not require oxygen, why does cellular respiration stop after glycolysis when no oxygen is present? When no oxygen is present, oxidativ ...
... NAD to NADH. Because both glycolysis and the Krebs cycle produce NADH, both of these processes shut down when there is no available.NAD. 5. If the Krebs cycle does not require oxygen, why does cellular respiration stop after glycolysis when no oxygen is present? When no oxygen is present, oxidativ ...
What are Prokaryotes?
... on the structure of their cell walls as determined by a technique called the Gram stain. • Gram-positive bacteria have a thick layer of peptidoglycan in their cell wall, and they appear violet under a microscope after the Gram-staining procedure. • Gram-negative bacteria have a thin layer of peptido ...
... on the structure of their cell walls as determined by a technique called the Gram stain. • Gram-positive bacteria have a thick layer of peptidoglycan in their cell wall, and they appear violet under a microscope after the Gram-staining procedure. • Gram-negative bacteria have a thin layer of peptido ...
Name_______________________________
... _____ Which of the following best describes a carbohydrate? A. Carbohydrates always consist of a five-carbon sugar, a nitrogenous base, and one or more phosphate groups and are used to store genetic information. B. Carbohydrates are organic macromolecules that are insoluble in water and have the abi ...
... _____ Which of the following best describes a carbohydrate? A. Carbohydrates always consist of a five-carbon sugar, a nitrogenous base, and one or more phosphate groups and are used to store genetic information. B. Carbohydrates are organic macromolecules that are insoluble in water and have the abi ...
Glycolysis PP
... • Glycolysis certainly evolved in prokaryotes before oxygenation of the atmosphere • Probably one of the very first complex biochemical pathways (>3.5 BYA) • Evidence? – Almost universal. – No requirement for O2: it is an anaerobic process, even when used by aerobic organisms. – Must predate photosy ...
... • Glycolysis certainly evolved in prokaryotes before oxygenation of the atmosphere • Probably one of the very first complex biochemical pathways (>3.5 BYA) • Evidence? – Almost universal. – No requirement for O2: it is an anaerobic process, even when used by aerobic organisms. – Must predate photosy ...
Answers
... Citric Acid Cycle: A process which occurs in the mitochondria which further breaks down the products of glycolysis and generates a supply of electrons for the electron transport chain. ...
... Citric Acid Cycle: A process which occurs in the mitochondria which further breaks down the products of glycolysis and generates a supply of electrons for the electron transport chain. ...
Lecture03
... built into the inner membranes of mitochondria. • The chain functions as a chemical machine that uses energy released by the “fall” of electrons to pump hydrogen ions across the inner mitochondrial ...
... built into the inner membranes of mitochondria. • The chain functions as a chemical machine that uses energy released by the “fall” of electrons to pump hydrogen ions across the inner mitochondrial ...
Chapter 8 Cellular Energy
... Then, citric acid is broken down in the next series of steps, releasing 2 molecules of CO2 and generating one ATP, three NADH, and one FADH2. FAD is another electron carrier similar to NAD+ and NADP+ Finally, acetyl CoA and citric acid are generated and the cycle continues The net yield from the ...
... Then, citric acid is broken down in the next series of steps, releasing 2 molecules of CO2 and generating one ATP, three NADH, and one FADH2. FAD is another electron carrier similar to NAD+ and NADP+ Finally, acetyl CoA and citric acid are generated and the cycle continues The net yield from the ...
Slide 1
... The food is made by combining small molecules of water with small molecules of carbon dioxide to make larger molecules of starch and sugar. (Oxygen is released as a byproduct of photosynthesis.) The starch and sugar are stored by the plant then used by us when we eat plants. But feeding us is not wh ...
... The food is made by combining small molecules of water with small molecules of carbon dioxide to make larger molecules of starch and sugar. (Oxygen is released as a byproduct of photosynthesis.) The starch and sugar are stored by the plant then used by us when we eat plants. But feeding us is not wh ...
Chapter 8 Cellular Energy
... Then, citric acid is broken down in the next series of steps, releasing 2 molecules of CO2 and generating one ATP, three NADH, and one FADH2. FAD is another electron carrier similar to NAD+ and NADP+ Finally, acetyl CoA and citric acid are generated and the cycle continues The net yield from the ...
... Then, citric acid is broken down in the next series of steps, releasing 2 molecules of CO2 and generating one ATP, three NADH, and one FADH2. FAD is another electron carrier similar to NAD+ and NADP+ Finally, acetyl CoA and citric acid are generated and the cycle continues The net yield from the ...
Microbial metabolism
Microbial metabolism is the means by which a microbe obtains the energy and nutrients (e.g. carbon) it needs to live and reproduce. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic characteristics. The specific metabolic properties of a microbe are the major factors in determining that microbe’s ecological niche, and often allow for that microbe to be useful in industrial processes or responsible for biogeochemical cycles.== Types of microbial metabolism ==All microbial metabolisms can be arranged according to three principles:1. How the organism obtains carbon for synthesising cell mass: autotrophic – carbon is obtained from carbon dioxide (CO2) heterotrophic – carbon is obtained from organic compounds mixotrophic – carbon is obtained from both organic compounds and by fixing carbon dioxide2. How the organism obtains reducing equivalents used either in energy conservation or in biosynthetic reactions: lithotrophic – reducing equivalents are obtained from inorganic compounds organotrophic – reducing equivalents are obtained from organic compounds3. How the organism obtains energy for living and growing: chemotrophic – energy is obtained from external chemical compounds phototrophic – energy is obtained from lightIn practice, these terms are almost freely combined. Typical examples are as follows: chemolithoautotrophs obtain energy from the oxidation of inorganic compounds and carbon from the fixation of carbon dioxide. Examples: Nitrifying bacteria, Sulfur-oxidizing bacteria, Iron-oxidizing bacteria, Knallgas-bacteria photolithoautotrophs obtain energy from light and carbon from the fixation of carbon dioxide, using reducing equivalents from inorganic compounds. Examples: Cyanobacteria (water (H2O) as reducing equivalent donor), Chlorobiaceae, Chromatiaceae (hydrogen sulfide (H2S) as reducing equivalent donor), Chloroflexus (hydrogen (H2) as reducing equivalent donor) chemolithoheterotrophs obtain energy from the oxidation of inorganic compounds, but cannot fix carbon dioxide (CO2). Examples: some Thiobacilus, some Beggiatoa, some Nitrobacter spp., Wolinella (with H2 as reducing equivalent donor), some Knallgas-bacteria, some sulfate-reducing bacteria chemoorganoheterotrophs obtain energy, carbon, and reducing equivalents for biosynthetic reactions from organic compounds. Examples: most bacteria, e. g. Escherichia coli, Bacillus spp., Actinobacteria photoorganoheterotrophs obtain energy from light, carbon and reducing equivalents for biosynthetic reactions from organic compounds. Some species are strictly heterotrophic, many others can also fix carbon dioxide and are mixotrophic. Examples: Rhodobacter, Rhodopseudomonas, Rhodospirillum, Rhodomicrobium, Rhodocyclus, Heliobacterium, Chloroflexus (alternatively to photolithoautotrophy with hydrogen)