Master Biology with Fun Quizzes & Brain Teasers!

The basic unit of structure and function of living things is the?
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Identify each of the following elements as a transition metal, noble gas, alkali metal, alkaline earth metal, or halogen. 1. Calcium - ______2. Cesium - ______3. Fluorine - ______4. Chromium - ______5. Oxygen - _______6. Xenon - _______7. lithium - ______8. Neon - ______
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does my evidence support my claim:??background info: i did a lab where i put potato cells into different solute concentrations of NaCl
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Each phospholipid is has a head that gives it a _____________ property that allows it to be attracted to water. a. polarb. non polar
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What are the major parts of a cell
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Which two of the three elements have SIMILAR CHEMICAL PROPERTIES (valence electrons)?1. Li - Na - Mg2. F - Br - O3. P - As - Se 4. Ra - Ba - Cs
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can someone pls help meThis water bottle has a mass of 0.5 kg. If the net force acting on the bottle is 5 N to the right, what is the bottle's acceleration? (Hint: Use the formula a = ...)A. a = 50 m/s^2 right B. a = 2 m/s^2 leftC. a = 10 m/s^2 rightD. a = 10m/s^2 left
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Which type of stem cell are fertilized eggs?A. TotipotentB. MultipotentC. PluripotentD. Unipotent
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someone help me with this question please: What is the job of ribosomes? Please answer as soon as possible its related to my project which is due on the day after tomorrow.
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is it true that all organisms are composed of one or more cells, and the life processes of metabolism and heredity occur within these cells.
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why must blood glucose levels be carefully controlled?
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What is the main reason organisms compete with each other ??
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25. What geographic feature is at an altitude of 0 Km.
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Pea crabs live their entire lives inside of an oyster. They live inside the oyster's gills and feed on thefood that filters in. Often as the oyster grows, its muscles and gills will become weak. This symbioticrelationship is an example ofO ParasitismO PredationO MutualismO Commensalism
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what's the difference between pseaudscience and science
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Which items are needed for a plant to become fertilized egg,pollen,embryo,seed
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Development is: A. Multidimensional B. Multidirectional C. PliableD. All of these are correct
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Cardiac muscular tissue and its function
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Can somebody help me match them
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What do tissues working together form?
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Observing a human tissue sample under a microscope would be an example of what division of anatomical study?
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What is apical meristematic tissue? And its function
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Which of the following is an example of maintaining homeostasis?
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Complete the sentences to describe how nitrogen bases pair up in DNA.Adenine always pairs withCytosine always pairs with.
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