________ are large cells that clean up debris and destroy bacteria by phagocytosis
Fill in the blank(s) with correct word
Monocytes
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35. The influenza virus contains an RNA genome. Every year a flu vaccine is designed to protect against three different strains of the influenza virus. Why do scientists make a new vaccine each year?
A. The virus develops resistance to the vaccine. B. People change their habits each year and become susceptible to different strains of the virus. C. The virus can rapidly mutate into new strains. D. The common influenza virus can come from many species of animals, including cats and dogs. E. Our bodies develop resistance to the vaccine and it becomes less effective.
A field experiment gives the investigator much more control over the environmental conditions than does a laboratory experiment
Indicate whether the statement is true or false
Unlike lipids, hydrophilic functional groups typically contain ____ atoms, which make them more soluble in water
a. carbon b. oxygen c. hydrogen d. nitrogen e. phosphate
Where does photosynthesis happen?
What will be an ideal response?