Biology

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. During reproduction, a sperm cell fertilizes an egg cell. The newly formedembryo then undergoes mitosis as it develops. The cells of the organismdifferentiate in order to perform different functions for the organism.The reason different cells perform different functions is that they -
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During which phase of mitosis do the spindle fibers help to pull thechromosomes to the center of the cell, where they line up?O A. MetaphaseO B. ProphaseO C. TelophaseO D. Anaphase
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The brightness of a star depends on the amount of light energy coming from the star.Which factor also affects the brightness of a star in the sky?the amount light shining on the starthe distance of the star from Earththe season of the year on Earththe number of other separate stars seen around it
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Why is it important for cells to be able totake in nutrients and excrete (remove) wasteproducts?
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A small inflamed elevation filled with bacterial fluid and pus and appear red and cloudy or white is known as a: Select one: a. milia b. pustule c. cystic acne d. seborrhea
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what type of a receptor would provide information on lung expansion to respiratory centers in the brainstem?
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19. An ectotherm is also called a a. thermoregulator. b. thermoconformer. c. homeotherm. d. poikilotherm.
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Is grass a living thing
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please help :( How are the steps of cellular respiration different when it is anaerobic respiration?
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please help me i never done this before and its confusing me ill give 100 points + brainlist
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1. An is a circulation of a convection cycle of air.
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Which statement is true about DNA base pairing rules?A- cytosine can pair with guanine only B- adenine can pair with cytosine only C- Adenine can pair with thymine or cytosine D- cytosine can pair with Adenine or guanine
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early improvements to microscopes allowed some scientists to view cells and eventually develop what?
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What is most likely the identity of the biome, and why?
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Im stuck on this. Ive asked my teacher 3 times and he just keeps telling me what assignment Im on. Im a week behind on work, and I only have a month before new semester. Please help! InstructionsClick the links to open the resources below. These resources will help you complete the assignment. Oncfile(s) and are ready to upload your assignment, click the Add Files button below and select each file fromfolder. Upload each file separately.
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Explain the difference between the first day of spring (vernal equinox) and the first day of summer (summer solstice). I will give you a brainliest!!!!
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HISo I have a project for science on the different parts of a cell, and I need the nicknames for the 11 types. Help?The 11 types:MitochondriaNucleusNucleolusRough Endoplasmic ReticulumSmooth Endoplasmic ReticulumLysosomesRibosomesGolgi Apparatus [Golgi Body]VacuolesCytoplasmCell membraneNO LINKS!
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All matter is composed of very small particles called:
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Three kinds of _________ molecules carry out genetic instructions for the production of proteins?
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Although scientists do not know the exact origin of eukaryotic cells, the ______ theory does explain the origin of the mitochondria and chloroplasts.
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Which is a step in the convection cycle in the Earth's atmosphere
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Which type of curve?*exponentiallogistic
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