Why would the loss of mitochondrial DNA in a eukaryotic cell pose a serious functional problem?

Which of the following examples best describes a mutualistic relationship involving protists that significantly affects ecosystems?

Which observation would provide the strongest support for the endosymbiotic origin of mitochondria?

Label the following.   

 The health care provider has prescribed ibuprofen 10 mg/kg po q 8 hrs. prn fever for a child who weighs 35 kg.  The medication comes in the concentration of : 50 mg/1.25 mL   How many mL(s) does the nurse administer per dose? Round to the nearest tenth mL.  _____ mL  

Convert the following. Round to the nearest tenth. 55 kg = ____ pounds

The following frequency distribution presents the weights in pounds (lb) of a sample of   to a health clinic. Weight (lb) Frequency 90-99 1 100-109 4 110-119 4 120-129 3 130-139 7 140-149 6 150-159 4 160-169 2 What is the class width?

What are the boundaries of the class 11-18?

The three most commonly used graphs in research are the _________, the __________, and the _________. [BLANK-1]

Given the following frequency distribution, how many pieces of data were less than 28.5?