Your friend is trying to tell you that human teeth are not alive. You disagree. Why would you say that a tooth in an adult is alive?
What will be an ideal response?
A tooth is partly made up of living tissues because it has blood vessels and nerves as well as a connective tissue called cementum. Damage to the tooth can cause serious pain because nerves are present.
You might also like to view...
Codons that serve as "stop" signals for translation are recognized by
A. tRNA. B. release factors. C. anticodons. D. translation terminators. E. aminoacyl-tRNA synthetases
While examining the sequence of nucleotides in the replicon region of bacterial DNA, you note an abundance of adenine and thymine base pairs. This leads you to conclude that this particular section of the DNA must be the
A. oriC site. B. ter site. C. Shine-Delgarno sequence. D. Pribnow box.
Which characteristic is descriptive of a population experiencing geometric population growth?
a. population doubles in size after each generation b. graph of the population growth produces a "J" shaped curve c. per capita growth rate remains constant d.
Cystic fibrosis is the result of:
A) an abnormal sodium channel protein. B) no sodium channel protein. C) cysts in the lungs. D) no sodium-potassium pump. E) an abnormal chloride channel protein.