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CSET Science: Subtest I Cell And Organismal Biology

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Contracts or shortens making body parts move






2. Region of condense chromosome that looks pinched; where spindle fibers attach during meiosis and mitosis.






3. Made up of celluolose - protein - and lignin - and allows pressure in plant cells to increase without the cell bursting.






4. Obsolete taxonomic group containing bacteria and cyanobacteria






5. Circulates through the vessels of the lymphatic system - which in turn assists the immune system.






6. Located in the neck area. Releases thyroxin - which regulates the body's metabolic rate.






7. Brain and spinal cord






8. Involuntary muscle that forms the contractile walls of the heart






9. The process by which a cell becomes specialized for a specific structure or function






10. In the life cycle of a plant or alga undergoing alternation of generations - a meiotically produced haploid cell that divides mitotically - generating a multicellular individual - the gametophyte - without fusing with another cell.






11. Organisms with cells that have a membrane - bound nucleus and other well - structured organelles






12. Last stage of mitosis - in which the cell membrane begins to pinch the cell in two - cytokinesis begins - and the nuclear membrane forms around the chromosomes






13. Cells that form the outer surface of plants






14. Makes up the brain - cranial nerves - spinal cord - and peripheral nervous system






15. Protects the body and holds in heat






16. Process that results in cell division






17. Produce testosterone and sperm






18. Organelles critical to protein synthesis found in the cytoplasm - joined to the endoplasmic reticulum - and within the mitochondria






19. Located close to the kidneys. Responsible for releasing adrenaline - a hormone that produces the flight or fight response.






20. Third phase of mitosis and of meiosis I and II - in which the sister chromatids separate and move toward the poles of the spindle






21. Produces hormones directly into the blood; pituitary gland - thyroid gland - adrenal glands - pancreas - ovaries - testes - thymus gland






22. A haploid reproductive cell that unites with another haploid reproductive cell to form a zygote






23. Small sac within a cell formed by pinching of some membrane; can contain waste - products the cell is taking in - and secretions the cell is exporting






24. Organelle in which calcium levels are regulated






25. Responsible for storing food and initiating the digestion of proteins






26. Release of water from plants through stomata






27. Nutrient conducting plant tissue; formed like small tubules; living cells






28. Organelle containing enzymes used in cell digestion






29. Cells that are able to differentiate into any type of cell in an organism






30. Continuous sequence of growth (interphase) and division (mitosis) in a cell






31. Pores underneath plant leaves used to exchange carbon dioxide and oxygen






32. Include macrophages - B- cells - and T- cells






33. Responsible for extracting water and essential vitamins from the digested food






34. Division of the cytoplasm during cell division






35. Plants with no phloem - xylem - roots - stems - or leaves; not as large or intricate as vascular plants






36. Stage in which chromosomes are aligned in the center of the cell






37. A complex polymer that fills the spaces in the cell wall - conferring mechanical strength to the cell wall and the plant as a whole.






38. Microtubule within a cell's nucleus; joined to one of the poles during cell division






39. Process that results in cell division to produce gametes






40. Responsible for digesting and absorbing the extracted vital nutrients from food






41. Organelle in eukaryotic cells that produces chemical energy; have their own DNA and may have evolved from a symbiotic relationship between a primitive eukaryotic organism and a primitive bacteria






42. The spore - producing individual or phase in the life cycle of a plant having alternation of generations






43. Membrane - bound and fluid filled organelle in plant of fungal cells; also found in some bacterial - protist - and animal cells






44. A cell that can differentiate into many different cell types






45. Stage of mitosis in which chromosomes condense into structures visible in a regular microscope






46. Largest organ in terms of surface area






47. Supportive layer of tissue (sapwood or heartwood in trees) that carries water and nutrients up from the roots; dead cells






48. Discovered meiosis






49. Organelle that 'packages' proteins to be secreted from the cell






50. One of two identical 'sister' parts of a duplicated chromosome







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