Which of the following statements is NOT TRUE about viruses? A. They contain pathogens that cause diseases
B. Viruses spread by different vectors.
C. They are smaller than bacteria cells.
D. The common cold virus is easily cured with antibiotics.

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet