There is a huge number (1.5 x 1084) of possible genetic codes. however, the genetic code used by all known forms of life is nearly universal. this suggests that a) all dna patterns are identical. b) rna is the same in all life forms. c) life evolved from a single source. d) genetic information is often lost. c

What is the most abundant vertebrate on earth?

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome