Joy took the notes shown below while learning about cells. • Forms boundary between a cell and the outside environment
• Controls the movement of materials into and out of the cell
• Consists of double layer of phospholipids
She forgot to write the name of the cell structure that her class was studying that day. What structure is described in her notes?
endoplasmic reticulum.
cell membrane.
cell wall.
nucleus.

Is a hamster and guinea pig part of the same species ?

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.