______ 1. RNA a. Electrical switch ______ 2. Transcription b. Computer disk with data ______ 3. Operator c. E-mail ______ 4. RNA
polymerase d. An interpreter translating from language to another ______ 5. Point mutation e. Substitute teacher ______ 6. Translation f. Train on a track
Spongy bone has trabecular which serve as reinforcing plates against a force. The loss of spongy bones causes weakening of the internal support that the compact bone requires and the entire bone breaks.
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .