What is the main function of the central vacuole in a cell?
a. breaks down molecules to release energy
b. absorbs energy from the sun to produce food
c. contains the cell's genetic material
d. holds water and maintains turgor pressure

What link in the chain of transmission is described in the paragraph? sarah has been eating and sleeping poorly. she was just diagnosed with pneumonia. tests showed the illness was caused by streptococcus pneumoniae. in the chain of transmission, sarah is the (blank) , and streptococcus pneumonia is the (blank).

The is the only person who can authenticate the information in a patient's medical record. a. person who creates the data in the record b. medical facility that's caring for the patient c. attending physician d. attending nurse

What kind of traffic sign is a red triangle with a white center? a. stop b. yield c. wrong way d. do not enter