The structures of proteins and nucleic acids in living organisms differ in that А.
proteins can take a variety of shapes, and nucleic acids tend to form linear chains.
proteins tend to form rings, and nucleic acids tend to form globes
proteins tend to form helices, and nucleic acids tend to take irregular shapes.
C
D
proteins tend to form branched chains and nucleic acids can take a variety of shapes

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called