Fossil fuels contain energy that originally came from a. tidal forces. b. Earth's core. c. the sun. d. dinosaurs.

What is the difference between ions and isotopes

If you lose your pain pathway will you lose sensation?

Why do plants need to obtain carbon atoms? Question 1 options: They use carbon to breathe. Carbon is their food. Plants use carbon to build glucose during photosynthesis. Plants don't need carbon.

2. Which term describes the resting phase of the cell cycle? a. mitosis b. interphase c. prophase d. telophase

The environmental protection agency sets standards for water quality and inspects water supplies for bacteria and chemicals. a. True b. False

Which of the following are outputs of the process of photosynthesis? A. Energy from food and oxygen B. Energy from the sun, carbon dioxide, and water C. Nutrients from food and oxygen D. Food and oxygen

Which of the following are examples of ways humans and plants have coevolved? Pick all that apply A. Humans have bred plants to use as food B. Plants provide a source of nitrogen C. Humans aid in pollinating plants D.

By what mechanism does PI-3 phosphate promote activation of protein kinase B (PKB) ? a. recruiting PKB to the plasma membrane b. recruiting the activating kinase PDK1 to the plasma membrane c.

What is the definition of "Mass"?

Which of the following is a correct statement? Select one: a. If you want to make a cDNA library, it doesn't matter which tissue you isolate the mRNA from. b.