Across
- 5. Gonadotropin Releasing hormone is secreted by ………… to stimulate anterior pituitary glands to secrete FSH and LH.
- 10. The rhythmic contractions and relaxation of the muscles along the alimentary canal.
- 13. Name the sensory receptors that can sense touch and pressure ………….
- 14. Name the part that control involuntary actions such as breathing, heartbeat and blood pressure
- 15. The division of the nucleus.
- 17. In the ovarian cycle,there are two phases which are ……………and luteal phase.
- 19. Where are sperms stored?
- 20. Translation involve three stage which is initiation, elongation,and termination.During elongation,there are three more steps involve which is codon recognition,peptide bond formation and ………….
- 24. occur when one trait controlled by 2 or more genes at different loci on different chromosomes
- 25. …… separates the left part of the heart from the right part of the heart and ensures that the oxygenated blood does not mix with the deoxygenated blood.
- 27. A genetic disorder in which male individuals with 47 chromosomes carry extra one X chromosome
- 28. What is the type of tropism for plants that responds to touch?
- 29. is a field in biology which involves classification, identification,and naming of organisms in an organised manner.
- 30. What diagram is used in a study to show predicted results of random fertilization in genetic crosses?
Down
- 1. Name the breathing system of insect
- 2. Inflammation and corrosion of the stomach epithelial layer by gastric juice when there is no food in the stomach is also known as ………
- 3. An enzyme that helps relieve the strain caused by the unwinding of double-stranded DNA by breaking, swivelling and rejoining the parental DNA strands ahead of the replication fork.
- 4. Respiratory structures of a fish are filament and
- 6. ATP is short form for …………………
- 7. A theory stating that genetic information flows from DNA to RNA to protein.
- 8. What is the term used to describe different alleles at a particular gene locus on homologous chromosomes or when two alleles of a pair are not identical?
- 9. is a group of four chromatids of homologous chromosomes that undergo synapsis during PROPHASE 1
- 11. A chemical or physical agent that interacts with DNA and can cause a mutation.
- 12. DNA ligase form phosphodiester bonds to join ……. fragments together at lagging strands.
- 16. is the region at which crossing over occurs between two non sister chromatids.
- 18. A permanent change in the amount, arrangement or structure of DNA of an organism is known as
- 21. A chromosome number mutation where the diploid cell(2n) gains or loses one or more individual chromosomes?
- 22. Substitution that change codon into different codon is also known as
- 23. ……is one of the treatment methods which plants use for the purpose of degradation, extraction or elimination of polluted substances from soil and water.
- 26. Stamen consist of two parts: anther and ……..