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In an experiment to test a new drug’s effectiveness, one group is given a larger dosage than is typically prescribed, and a second group is given a smaller dosage than is typically prescribed. Then, the results of the groups are compared to each other. What is missing that would improve this scientific design?

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What is true of saturated fatty acid chains? A. They are more healthy that unsaturated fats. B. They contain only single covalent bonds. C. They are only made in leaf cells of green plants. D. They contain at least one double or triple bond.

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People often use models or comparisons to help explain difficult or detailed processes to others. In this assignment, you are going to teach what you’ve learned about photosynthesis by comparing it to an everyday process or subject.

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A microbiologist is in the process of classifying a newly discovered organism. Its characteristics include: · eukaryotic · unicellular · has a cell wall · autotrophic Which type of organism is it most likely to be? paramecium amoeba diatom slime mold

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A panda’s coarse fur is made of cells, as is its blood, its skin, its nerves, and its brain. This is an example of which characteristic of life? A. growth B. response to stimuli C. metabolism D. cellular organization

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A medical biologist is examining one of many cells that are produced during the human oogenesis process. The cell is haploid, meaning that it has 23 chromosomes, and it was removed from the body shortly after it entered the fallopian tube. The cell had begun the process of meiosis II, but did not finish it. What type of cell is the biologist most likely examining? a fertilized egg a polar body a primary oocyte a secondary oocyte

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Before a cell divides, an exact copy of each chromosome is made up by the process of

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Medal 4 help Select all that apply. You can identify or classify archaea and eubacteria by _____. habitat means of existence genetic make-up shape and arrangement of cells how they move (can be more then one)

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A chloroplast is a type of plastid that is involved in the transformation of energy within a cell because this is the organelle in which: photosynthesis occurs. cellular respiration occurs. starches are stored. genetic material is stored.

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Photosynthesis occurs when _______. a. plants absorb energy from carbon dioxide b. plants absorb energy from sunlight c. oxygen concentration in the atmosphere increases d. all of the above

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How do the nucleotides in dna pair?

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How do cells in your body get energy?

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What is the energy conversion that occurs in cellular respiration? Chemical energy in glucose is converted to light energy. Light energy is converted to chemical energy in glucose. Energy in glucose is converted to packets of stored energy in the organism. Packets of stored energy are converted to chemical energy in glucose.

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Which of the following is most likely to be an observation made by an anatomist? Blood is made up of cells suspended in a fluid extracellular matrix. Cartilage provides support and protection for developing bones. The heart has a protective outer covering that produces serous fluid. Specialized cells in the epidermis produce the dark pigment known as melanin.

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Meiosis – is a process which the number of chromosomes per cell is

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An organ, such as the eye or the heart, is composed of cells and ______.

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The red spheres represent oxygen atoms, and the blue spheres represent hydrogen aroms is this substance a compound

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What is the difference between RNA and DNA what does RNA stand for ex: DNA stands for Deoxyribonucleic acid.

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In which phase does the growth and maintenance of the cell occur? (Mitosis)

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X-ray diffraction data collected by Rosalind Franklin and Maurice Wilkins helped Watson and Crick solve the structure of DNA. Which aspect of the structure of DNA did the data help them solve? A) the double stranded nature of the helix and its dimensions B) the ratio of bases C) the presence of deoxyribose sugars D) the presence of hydrogen bonds between bases

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Which of the following is unique to meiosis? A) Chromosome duplication occurs prior to cell division. B) Chromosomes align along the central plate of the cell. C) Daughter cells produced are genetically identical. D) Daughter cells produced in meiosis are genetically different.

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How do aerobic and anaerobic respiration differ? A) More energy is released from a glucose molecule during anaerobic respiration than during aerobic respiration. B) Anaerobic respiration but not aerobic respiration occurs in human cells. C) Anaerobic respiration requires oxygen while aerobic respiration does not. D) Anaerobic respiration evolved first; aerobic respiration evolved after photosynthetic organisms began producing oxygen.

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A student designs an experiment to see if detergent affects the growth of seeds. He sets up 10 seed pots. Five of the seed pots will receive a small amount of detergent in the soil and will be placed in the shade. The other five seed pots will not receive detergent and will be placed in the sun. All 10 seed pots will receive the same amount of water, the same number of seeds, and the same type of seeds. He allows the seeds to grow for two months and charts their growth every two days. What is wrong with his experiment? A) More than one variable is being tested. B) The student should have a larger number of pots. C) There is no way of measuring the outcome. D) There is no control set up.

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Joel is comparing two slides showing chromosomes in a sperm cell and a skin cell of a dog. He finds that the sperm cell has 39 chromosomes. How many chromosomes can he expect in the skin cell

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What process is considered to be growth when it occurs in multicellular organism reproduction when it occurs in a unicellular organism ?

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What organelles are found in an animal cell ??

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What must happen before a cell can enter prophase??

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What is the term given to a group of cells that develop from a single original cell?

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What is the purpose of the cell cycle? dna replication development of positive mutations prevention of cancer growth, repair, and reproduction of cells?

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What is the main purpose of oxygen of glucose in the body?

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