Answers: 3
Biology, 21.06.2019 16:30, HighSchool97654
Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.
Answers: 1
Biology, 21.06.2019 19:50, hubbabubba0715
Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required
Answers: 2
Biology, 22.06.2019 13:10, hcoulter15
Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Biology, 22.06.2019 14:30, queenkimm26
Explain why scientists use the word dominant for certain traits.
Answers: 1
Which sequence shows an animal's response to an external stimulus?...
History, 28.06.2019 17:20