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| What is the smallest portion of a substance that retains the properties of an element? |
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| The negation subatomic particle is the |
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| What type of bond is formed whenever atoms share a pair of electrons? |
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| which organic molecules are the most common in cells? |
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| How long does it take for half of the carbon 14 in a sample to decay into nitrogen 14? |
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| Which term includes the other four:atoms, molecules, electrons elements, protons? |
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| carbon forms bonds with a maximum of how many other atoms? |
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| How do hydrophobic molecules react with water? |
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| The positive subatomic particle is the |
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| The neutral subatomic particle is the |
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| Which substance is NOT an element: Water oxygen, carbon, chlorine, hydrogen? |
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| a pH of 10 is how many times as basis as a pH of 7? |
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| Cellular pH is kept near a value of 7 due to the action of |
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| Fluid fulled sacs that may store food or water in cells are called |
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| the three most common atoms in your body are |
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| hydrogen, oxygen, and carbon |
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| A--COOH group is a(n)______ group. |
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| the formation of large molecules from small subunits is known as what kind of reaction? |
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| Isotopes of the same element differ in the number of |
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| These are the primary cellular sites for the production of ATP |
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| chloroplast and the mitochondria |
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| These organelles contain enzymes used in the breakdown of glucose and generation of ATP. |
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| During which phase of aerobic respiration is ATP produced directly by substrate - level phosphorylation? |
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| The Krebs Cycle and glycolysis |
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| According to the first law of thermodynamics |
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| the amount of the energy in the universe is constant, chemical reactions do not create or destroy energy, and whenever energy is transformed to another form, some is converted to heat. |
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| ATP acts as what type of agent in almost all metabolic pathways? |
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| ATP contains (two answers) |
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| Chlorophyll reflects (does not absorb) which color of light? |
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| Where in a plant cell is chlorophyll found? |
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| which of the following includes all of the others? : sucrose, glucose, cellulose, glycogen, carbohydrates |
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| The oxygen released in photosynthesis comes from? |
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| produced by photosynthesis. degradation of organic compound, generated in anaerobic respiration, released in aerobic respiration |
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| Which chemical has six carbon atoms? |
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| The atom that represents the greatest weight in the human body is |
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| Which of the following can pass through the stomata?carbon dioxide, oxygen, water, carbon dioxide and water, carbon dioxide oxygen and water |
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| carbon dioxide oxygen and water |
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| When the molecules are broken apart in respiration |
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| the energy is released in respiration is channeled into molecules of ATP |
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| The greaest number of ATP molecules is produced in |
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| Before a glucose molecule can be broken down to release energy |
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| two ATP molecules must phosphorylate the six carbon sugar. |
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| results in the production of the pyruvate and occurs in the cytoplasm |
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| How many ATP (Net yield)are produced per molecule of glucose degraded during glycolysis? |
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| The ultimate electron acceptor in aerobic respiration is |
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| How many ATP's typically form during the third stage of respiration |
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| When a cell undergoes mitosis, the daughter cells must inherit |
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| DNA, organelles, and cytoplasm |
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| Proteins associated with DNA in eukaryote are |
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| Chromatids that are attached at the centromere are called what kind of chromatids? |
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| The longest part of the cell cycle is usually |
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| Chromosomes are duplicated during which period? |
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| Cells with two sets of genetic info are described by the term |
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| The spindle apparatus is made of |
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| The nuclear envelope begins to break up in late |
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| The chromosomes are aligned at the spindle equator during |
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| The chromosomes detach from one another and become visibly seperated during |
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| strictly speaking, mitosis and meiosis are divisions of the |
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| nucleus, cytoplasm, and chromosomes |
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| What is the sequence for mitosis? |
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| Prophase Metaphase Anaphase Telophase |
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| When ATP is released its energy, it forms |
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| Although it is too simple to an explanation, the concept of key fitting into a lock is descriptive of |
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| regeneration of ATP and ADP |
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| The method of movement that requires the expenditure of ATP molecules is |
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| Plants need to carry on photosynthesis two things ___ and ___. |
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| Organisms that derive their chemical energy either from the process of chemosynthesis or photosynthesis are classified as |
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