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On the electromagnetic spectrum, ultraviolet waves have A. less energy than visible light. B. more energy than X-rays and gamma rays. C. less energy than X-rays and gamma rays.

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On the electromagnetic spectrum, infrared waves have A. more energy than radio waves but less than microwaves. B. more energy than radio waves and microwaves. C. the same energy as microwaves.

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How do we feel the energy of infrared waves? A. vibrations B. light C. heat

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Gamma rays are used A. in microwave ovens. B. to treat cancer, but they can also cause cancer. C. in cell phone transmitters.

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What problems might arise in a cell that did not complete its G1 phase prior to cell division?

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What cells that usually lack chlorophyll but often store starch, air spaces are usually very common?

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When bacterial cells participate in conjugation, the bridge between the cells through which dna passes is

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What are X-Rays used for? A. cook food B. form images of internal organs C. get TV signals

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Ultraviolet light can be used A. to kill harmful bacteria. B. to broadcast T.V. signals. C. in radios.

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The ATP molecule can be considered a form of chemical energy because A. It stores the energy from the glucose in the bonds between the phosphate groups B. It has a five carbon sugar like RNA C . It takes in light energy from the sun D. It is a form of fat

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I only have two questions, thank you! One difference between a point mutation and a chromosomal mutation is that ____ A. A point mutation affects the DNA of more genes than a chromosomal mutation B. A point mutation can involve a insertion or deletion, but cannot result in a frameshift.*** C. A chromosomal mutation can change the number of chromosomes in a cell. D. A chromosomal mutation is more likely to be passed on to offspring or daughter cells. A mutation that involves one or a few nucleotides is called ____. A. A mutagen B. An inversion C. A point mutation*** D. A translocation Thanks so much for your help! Happy Holidays! 🙂

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Both mitosis and meiosis are types of nuclear division but they result in different cell types describe how the steps of meiosis 1 differ from those of mitosis.

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All of the cells are in the very early stages of embryonic development and have not begun to differentiate into specialized types of cells. What type of cells would these be?

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How many tropic levels does a food web have

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Why do we see brown light if it isn’t on the color spectrum?

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Ganymede is one of the many moons of Jupiter. It is nearly spherical in shape. It is larger than the planet Mercury and slightly smaller than the planet Mars. If it is so large compared with the bodies around it, why is it called a moon and not a planet?A It is too far from the Sun. B It is smaller than Jupiter. C It moves in an orbit around Jupiter. D It has no gravitational pull.

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Which type of cell(s) store the genetic information that is passed on the baby hamsters?

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All of the following processes require the cell to use ATP energy, EXCEPT A) endocytosis. B) active transport. C) passive transport. D) the sodium-potassium pump.

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The cell membrane helps to control what enters and leaves a cell. Which of these substance, which account for about two thirds of a cell’s mass, is constantly moving in and out of the cell? A. carbohydrates B. protein C. wasteD. water

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Which best describes cancer cells? A. Cancer cells cannot enter the circulatory system. B. Cancer cells grow controllably. C. Cancer cells attach to organs. D. Cancer cells lose nutrients to healthy cells.

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What role do microtubules play during mitosis?A. microtubules line up chromosomes at the equator of the cell during metaphaseB. microtubules play a role in the disassemble and reassembly of the nuclear membrane C. microtubules play a role in the formation of the cell plate when plant cells undergo cell divisionD. microtubules play a role in the migration of chromosomes to opposite ends of a dividing cell during anaphase

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Starch and ATP can both be described as molecules that store energy. Compare and contrast starch and ATP in terms of storing energy and supplying energy for a cell’s work.

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How will the movement of water affect a cell if it is transferred from a hypotonic solution to a hypertonic solution?A. the cell wall will dissolve B. the cell will be unaffectedC. the cell will shrink in sizeD. the size will increase and then reduce

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How does lungfish catch food ??

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Cell differentiation in multicellular organisms allows cells to?

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A gardener accidentally trims the leaves of a green plant too short. The leaves are now much smaller. He notices that the plants grow more slowly than it used to. Which sentence best explains why the plant grows more slowly? A – The plants has too many thylakoids in its cells B – The plant now gets too much sunlight to be healthy. C – The platn has more cholorplast in its cells D – the plant has less cholorphyll to produce energy.

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What happens when sunlight Strikes chlorophyll?

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Why would it be necessary for a muscle cell to have a higher percentage of mitochondria than other cells in the body?

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Which of these statements most likely describes what happens if DNA is not duplicated during interphase? A. The new cells would be more numerous. B. The new cells would have an incorrect number of chromosomes. C. The new cells would have too many chromosomes. D. The new cells would have too many or too few nuclei.

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Organisms that reproduce sexually receive genetic material from both parents when fertilization occurs. The development of the zygote into a multicellular organism is the result of

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