AP BIO MARCH MADNESS TIEBREAKER #1

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Across
  1. 2. an error when a pair of homologous chromosomes do not separate properly
  2. 4. combines with 4-carbon carbon to make citric acid in Krebs cycle
  3. 6. an enzyme that untwists the double helix of DNA at replication forks
  4. 8. polysaccharide that makes up cell wall
  5. 10. both alleles are expressed in heterozygote
  6. 14. The maximum population size that can be supported by the available resources, symbolized as K
  7. 15. solution with low solute concentration; will cause a cell placed in it to take in water
  8. 16. type of endocytosis where large particles are taken up by cell
  9. 17. type of nitrogenous base; adenine and guanine are examples
  10. 18. complex of protein and DNA
Down
  1. 1. Referring to any characteristic that is not affected by population density
  2. 2. certain traits are advantageous for survival and reproduction and will favored
  3. 3. electron carrier used made in light reactions and used in Calvin cycle
  4. 5. found in prokaryotes; consists of promoter, operator and genes
  5. 7. bond that holds bases together in2 strands of DNA; also found between water molecules
  6. 9. sequence of pre-mRNA transcript that remains after RNA processing
  7. 11. structure in nucleus that synthesizes ribosomes
  8. 12. nonliving; referring to the physical and chemical properties of an environment
  9. 13. plants adapted to incorporate CO2 at night and use during day when stomata are closed
  10. 15. used to describe tails of phospholipids in cell membrane