An extraterrestrial life form is discovered. It has a genetic code much like that of organisms on Earth except that there are three different DNA bases instead of four. The base sequences are translated as triplet codons. What can we conclude about the biology of this extraterrestrial form

An enzyme lowers the energy of activation. what does that mean?

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction