Match the structural formula to the chemical formula for this substance.

CH2Cl2

C2H6O

C2H6O2

H2CO3

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals. this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

Which codon is the code for the amino acid histidine (his)?

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle