Biology

3. It contains genes that code for the synthesis of electron carriers and respiratory enzymes.
5. A test conducted to determine if the differences between the observed results and the expected results re statistically significant.
6. It is the maintenance of a constant, internal environment of an organism within narrow physiological limits through two principles: self-regulation and negative feedback mechanism.
10. Specialised cells that transmit impulses from receptors to effectors, usually resulting in rapid responses to stimuli.
12. An organelle specialised to carry out photosynthesis.
13. A gene at one locus will affect the expression of another gene in the second gene locus.
14. It consists three stages: carbon fixation, reduction of GP and regeneration of RuBP.

1. A photon of light strikes an accessory pigment molecule in the light harvesting complex of a photosystem located in the thylakoid membrane.
2. This process increases conversion of glucose to glycogen for storage in the liver.
4. This increases the surface area for the attachment of more ATP synthase, electron carriers and proton pumps.
7. Linked genes are genes that are found on the same chromosome.
8. Chemical messengers transported in the blood and affect the activity of other target organs in the body.
9. Oxygen is nolonger available as the final electron acceptor.
11. The genotype of an organism with two different alleles of a gene.
15. The fixed position on a particular chromosome that each gene occupies.