Cyanobacteria are most responsible for ...

A) creating multicellular organisms

B) oxygenating the Earth

C) creating archea

D) creating carbon dioxide

Which of the following is a characteristic typically not used to classify biomes?

Why is replication a necessary step in cell division?

The nurse is assessing a client with retinal detachment. the nurse should assess the client for:

After stranuous exercise sore muscles can often occur because of? -a stretching of the muscle tissue -too much oxygen in the blood -a build up of lactic acid in the tissues -too much glucose in the blood

How does an atom become an ion

Which word describes an artificial pond with raised edges used for agriculture A) shaduf B) paddy C) aqueduct D) Chinampa

A middle-aged woman is admitted to the coronary care unit with a diagnosis of left ventricular failure resulting from a myocardial infarction. Her history indicated that she was aroused in the middle of the night by severe chest pain.

Even though algae can produce their own food through photosynthesis, they are not part of the Plantae kingdom. Select the reasons why.

The parents of an infant with tetralogy of fallot ask a nurse about the problems involved with this disorder. when answering, what must the nurse consider?

Assume that a plasmid is 4000 base pairs in length and has restriction sites at the following locations: 600, 1000, 2200, and 3800. Give the expected sizes of the restriction fragments following complete digestion.