| Question |
 |
|
| Answer |
 |
|
| ATP |
an energy source |
| abiotic |
non-living chemical and physical factors in the environment |
| biosphere |
all the ecosystems on Earth |
| Active transport |
the process of moving particles from low to high concentration |
| Allele |
1 type of expression for a different form of a gene |
| A,G,C,T |
basic building blocks for a gene |
| Carrying capacity |
the number of identical species that the environment can support. |
| disease |
indicates a failure in homeostasis |
| enzyme |
biological catalyst that speeds up a reaction |
| guard cells |
a gas exchange pore in plants |
| food chain |
describes the eating relationships between species within an ecosystem |
| Hormone |
chemicals released from cells that affects its target cell. |
| Nucleus |
the command centre of a cell |
| Testosterone |
male reproductive hormone. Produced in the testes. |
| Replication |
the copying of DNA |
| Respiration |
Gasous exchange in organisms. Composed of inspiration and expiration. |
| Lysosome |
recycles wastes materials in the cell. |
| mitochondria |
powerhouse of a cell |
| photosynthesis |
a process that converts carbon dioxide into glucose |
| Zygote |
a single-celled embyro |
| Electrophoresis |
a process that seperates DNA molecues into fragments |
| Placenta |
a tube that supplies nutrition from the mother to the developing fetus. |