Which statement about the polarity of DNA strands is true? A) The 3' end has a free OH groupB) The 5' end has a free OH groupC) The 3' end has a free phosphate group

Explain why mayr's concept of biological species has limited applications

How are particles arranged in liquids? A. Particles are not able to move around one another. B. Particles are tightly packed together and vibrant in place. C. Particles are spread far apart from one another. D.

What are invasive species? APEX

Which characteristic of epithelial tissues would you expect to find in a duct that is subject to a high degree of pressure (such as the male urethra) ? a) Cuboidal shape b) Simple layering c) Pseudostratified layering d) Stratified layering

After 3 hours of exercise, what are the main sources of energy?

Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the spaces between the cells. this is an example of how protein is used for: a. maintaining fluid and electrolyte balance. b. building antibodies. c.

Identify the fuel that could be classified as a nonrenewable or renewable resource. A) biomass B) geothermal C) wind D) tidal

Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enable it to move from the roots to the leaves of plants? a:Water exhibits cohesive behavior.

Whats the process of Asexual Reproduction for Komodo Dragons?

As you add drops of water to the surface of the penny, each drop sticks to the other water droplet forming a large drop on top of the penny. This is caused by which water property? Question options: adhesion cohesion capillary action