18.   which process does the plant need energy to perform?
       
  a. transpiration of water
  b. absorbing water into the root hairs
  c. release of oxygen into the atmosphere
  d. pulling nutrients into the root hairs

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.

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger