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