Scientific laws explain how and why something occurs on a scientific level

Which of the following is arranged in the proper order from smallest to biggest? A. tissues cells organ systems organs B. cells organs tissues organ systems C. organ systems organs tissues cells D. cells tissues organs organ systems

DNA is the nucleus is found in structures called

Myosin and actin filaments are made from which of the following substances? 1) Cytoplasm 2) ATP 3) Protein 4) Calcium

Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below. Cell P: Does not capture sunlight Cell Q: Has cytoplasm but no chloroplast Which statement about the two cells is correct?

Why is it that bacterial ribosomes can begin translation before mrna synthesis is completed, but eukaryotic ribosomes cannot? see section 17.3 (page 356) ?

In an controlled experiment, why is it important to change just one variable at a time p. s it a science question but they didn't have a science button

What are nonnative species a threat to biodiversity? A) They often use up resources that the organisms need. B) They are not able to successfully breed in the wild. C) They release pollution into many environments.

Investigate : examine which analogy

Nutrients your body needs are

Which is used as a presumptive or preliminary field test for blood?