Is it true or false scientists must reapeat an experiment for it to be usefuk?

Paraphrase the explanation of how a virus reproduces. why did the fact that hela cells are malignant make them particularly useful in the study of viruses?

How do you use observations in everyday life 2) How do you use observations in your everyday life?

Which of these shows the correct pathway through the heart's four chambers after it enters from the vena cava? a. left ventricle - -> right atrium - -> left ventricle - -> left atrium b.

Which term defines a well-tested, scientifically supported statement that explains how something works? hypothesis law observation theory

The occurrence of the same blood protein in a group of species provides evidence that these species: a. descended from different ancestors. b. evolved in different habitats. c. evolved in the same habitat. d. descended from a common ancestor.

Identify the structure in the cell that will produce atp from the starch building blocks

True or false: plant cell cytokinesis is different from animal cell cytokinesis because the contractile filaments found in plant cells are structures composed of carbohydrates and the cleavage furrow in animal cells is composed of contractile

When you get a minor cut platelets in your blood stick to the wound and cause?

Why are phospholipids ideal for making up the selectively permeable membrane?

5. What type of bond can be found between complementary nitrogenous bases?