Which elements are most likely to undergo the same kinds of reactions, those in a group or those in a period?

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata