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  • Question
  • Cells use active transport proteins to


  • Correct Answer
  • Cells use active transport proteins to create a concentration gradient across a cell membrane 

  • Tags: Analyst

    Biology problems


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    • 1. Which among the following blood protein regulates the amount of water in plasma?

    • Options
    • A. Albumin
    • B. Fibulin
    • C. Globulin
    • D. Fibrin
    • Discuss
    • 2. Intrapulmonary pressure is the

    • Options
    • A. pressure within the alveoli of the lungs
    • B. pressure within the pleural cavity
    • C. negative pressure in the intrapleural cavity
    • D. None of the above
    • Discuss
    • 3. Which of the following is a healthy fat?

    • Options
    • A. polyunsaturated fat
    • B. enriched fat
    • C. trans fat
    • D. saturated fat
    • Discuss
    • 4. Which of the following is an example of parasitism?

    • Options
    • A. Leeches consume blood of their host
    • B. Ticks that live on dogs
    • C. Aphid insects eat the sap of the host plant
    • D. All of the above
    • Discuss
    • 5. The peripheral nervous system consists of

    • Options
    • A. Nerves from eyes to CNS
    • B. Nerves from ears to CNS
    • C. Nerves from skin to CNS
    • D. All of the above
    • Discuss
    • 6. Different forms of genes are called

    • Options
    • A. Genomes
    • B. Allele
    • C. Genotypes
    • D. None of the above
    • Discuss
    • 7. Which is a difference between proteins and carbohydrates and fats?

    • Options
    • A. Proteins are composed of monomers; carbohydrates and fats are not.
    • B. Excess carbohydrates and fats are stored; excess proteins are not.
    • C. Proteins are macromolecules; carbohydrates and fats are not.
    • D. Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.
    • Discuss
    • 8. Androgens such as testosterone are produced by the

    • Options
    • A. Spermatoganea
    • B. Interstitial cells
    • C. Seminiferous
    • D. None of the above
    • Discuss
    • 9. The main buffer system of the human blood is

    • Options
    • A. H2CO3
    • B. H2SO4
    • C. CO2
    • D. O3
    • Discuss
    • 10. Which of the following are known as the suicide bags of cells?

    • Options
    • A. Lysosomes
    • B. Golgi bodies
    • C. Nucleoli
    • D. Ribosomes
    • Discuss


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