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Describe two main types of active transport.

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Asexual reproduction in which a single cell divides into two with no exchange of genetic material reproduction method of bacteria

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How does overtillage harm soil? a. Overtillage can increase the rate of humus decomposition. b. Overtillage can increase the water carrying capacity of soil. c. Overtillage can result in increased soil compaction. d. Overtillage can increase the organic material in soil. It’s either A or D but I’m not sure

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What information would you have to know to determine the toughness of a solid? A. how much kinetic energy it absorbed before it broke B. its mass and volume C. what materials are able to scratch D. it its mass

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Which of the following would not help an animal live in the desert? 1.Having thin, moist skin – skin constantly covered in a film of water 2.Estivation – burrow underground and wait for agreeable conditions 3.Hygroscopic skin – absorb water through the skin 4.Being nocturnal – active during the night

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Which statement is true of both active transport and facilitated diffusion? A) Both involve proteins in the cell membrane. B) Both occur in only one direction. C) Both require ATP.

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Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars. Why will salivary amylase NOT break down proteins? A. The enzyme is the wrong substrate for proteins. B. Only sugars have the correct shape to activate the enzyme. C. Proteins will not fit into the active site of the amylase enzyme D. Proteins do not have the proper active site for the enzyme to work on them

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Unlike photosynthesis, cellular respiration _____. A. is an energy conversion B. does not require the intake of carbon dioxide C. involves primarily plants D. uses chlorophyll

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1. Ibuprofen, C13H18O2, is the active ingredient in many non-prescription pain relievers. (a) If the tablets in a bottle contain a total of 13 g of ibuprofen, how many moles of ibuprofen are in the bottle? Work N= mass/mr N=13/206.29g N=0.0630n (b) How many atoms of ibuprofen are in the bottle?

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Where does the exchange of materials in and out of a cell take place? A. cell membrane B. nucleus C. chloroplast D. chromosome

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What is the general pattern of distribution of organic matter in a typical soil profile

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The ________ phase is when most cell growth will occur, DNA is unreplicated. The ________ phas occurs between chromosome replication and cell division. During ________ phase,the gentic material undergoes replication. During ______ phase, the shortest phase the cell undergoes both, nuclear division (mitosis)followed by cell didvion (cytokinesis) the options are: karyokinesis first gap (G1) syntheisis (s) M Second Gap (G2)

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Question 12 On average, there are about 10 ridge characteristics in a fingerprint. True or False Question 13 DNA is not always available in a hair sample. True or False Question 14 Some vegetable material can turn the Kastle-Meyer Color Test pink as blood does. True or False Question 15 When hair samples are taken, they are generally cut off about half way to the root. True or False

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Match the situation to the correct transport described. 1. a dog being dragged into a bathtub against its will 2. a child eating a doughnut 3. a dog pulled on a wagon through a spring loaded door 4. a woman drinking tea 5. a crowded roomful of people gradually standing up, wandering around, and leaving the room a. facilitated diffusion b. pinocytosis c. active transport d. passive diffusion e. phagocytosis.

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In the diagram of the earth’s interior, where does the material that forms volcanoes originate?

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Which substance is an inorganic molecule?

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Active transport occurs in cells, for example, when the Na-K pump is at work. Any process that involves active transport most often involves the A) movement of molecules without any predictable pattern. B) movement of molecules from a lower concentration to a higher concentration. C) movement of molecules from a higher concentration to a lower concentration. D) movement of molecules from a lower to higher concentration and then back to the point of origin.

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Technological advances had helped reveal that the ocean floor was not flat, as once believed, but instead was marked by 50,000-kilometer-long, 3,000-meter-high ridges and 11-kilometer-deep trenches. How do scientists explain why, if new crust is constantly being formed from volcanic materials at the ridges, Earth’s crust stays the same size?

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Which of the following is found in the cytoplasm of bacterial cells?a.cell membraneb.nucleusc.genetic materiald.flagella

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Because earth’s interior is warmer than its surface layers, hot materials move toward the surface in a process called A) energy balancing B) convection C) energy transfer D) rotation

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What is the process for radioactive decay?

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This is an element in the periodic table that is the basis for all organic molecules

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Non-living material can produce living organisms

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Which of these organic molecules functions to help speed up biological chemical reactions? A) lipids B) proteins C) nucleic acids D) carbohydrates

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Oxygen moving from the bloodstream into a cell down a concentration gradient is a form of A: osmosis B: endocytosis C: Active transport D: passive transport

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1. Which of the following is not a characteristic that distinguishes one type of forest from another, such as Siberian vs. Tropical Rain Forest? Select one: a. Types of trees b. Age of trees c. Climate d. Precipitation 2. Why is a rain drop a particularly damaging element to soil? Select one: a. It dilutes minerals in the soil. b. It causes the soil to break apart and carries it away. c. It often contains contaminants that poison the soil. d. It prevents the aeration of the soil. 3. Clear cutting has a similar effect as controlled burning of a forest. Select one: True False 4. Unlike a mineral, a rock: Select one: a. is made up of exclusively carbon b. is made up of multiple substances c. is made up of inorganic compounds d. is a natural resource 5. Which of the following is not an advantage of conserving water? a. Ensuring that we have enough clean water in the future b. Keeping the costs of water down c. Making sure that areas experiencing water scarcity have better access to freshwater d. Decreasing water supply to nations that are not in compliance with the United Nations

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The energy needed to “pump” sodium outside the cell in active transport is _____. ATP lipids heat carbohydrates

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EEG is to CT as: x-ray photographs is to recordings of brain waves recordings of brain waves is to x-ray photographs radioactive emmissions is to recordings of brain waves recordings of brain waves is to radioactive emissions

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What do the two arrows in the diagram most likely represent? A. radiation B. photosynthesis C. cellular respiration D. energy conversions

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What type of molecule serves as the inorganic carbon reservoir for photosynthesis? starch ATP carbon dioxide glucose How are the photosystems related to the Calvin cycle? The photosystems drive CO2 and electrons into the Calvin cycle. The photosystems are the reactions that use CO2 to build sugar molecules. The photosystems transfer energy to the Calvin cycle in the form of ATP and NADPH. The photosystems make the enzyme ATP synthase to drive the Calvin cycle.

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