Oxygen has six electrons in its outer shell. As a result, oxygen can form up to how many bonds with other elements

Why has evolution stopped occurring? did it go on a vacation?

What is a phospholipid molecule composed of

Since both hair and skin contain keratin, the hair shaft is most comparable to what part of the epidermis?

What's one cause of the heat island effect? A. Pollution of groundwater B. Reduced rainfall in urban areas C. Higher albedo in urban areas D. Lower albedo in urban areas

Helicobacter pyloti can also cause stomach cancer. Describe how a person infected with helicobacter pylori could also develop liver cancer

In the large intestine material is stored how many hours prior to elimination?

It says which object has the most Kinect energy 1. A rock sitting on top of a cliff 2. A can of beans on a shelf 3. A truck moving at 10m/s 4. A poster stapled to a wall

Both GMOs and unmodified heirloom plants are commonly able to pass on genetic material through "Blank" gene transfer without human assistance.

Suppose you want to insert your pcr product into another organism's dna. which dna technique would you use?

What is a biome and what is the difference between a desert, forest, and grassland biome?