Is a key element found in all carbohydrates, lipids, proteins, and nucleic acids?

A. ammonia

B. carbon

C. nitrogen

D. Legumes

Which of the following is used to store excess glucose molecules in plants

2. The mRNA for a well-known secretory protein is isolated and placed in a test tube in the presence of all the substances required for in vitro protein synthesis.

A firefighter is in the emergency room with serious burns. He tells the doctors that they really don't hurt much. Should they be concerned or relieved by this comment? Why?

Identify the elemental makeup of proteins. A. Carbon, Hydrogen, and Oxygen B. Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio C. Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus D. Carbon, Hydrogen, Oxygen, and Nitrogen

Which autoimmune disease is characterized by a decreased number of acetylcholine receptors in the neuromuscular junction?

Which of the following is a feeding source for fens? aquifers dexfoliants exfoliants nitrates

What system includes oceans, lakes, rivers, and groundwater? a. geosphere b. hydrosphere c. atmosphere d. biosphere

Fungal spores a. are only asexually produced. b. cannot be seen in a light microscope. c. are used to identify fungi. d. are produced by molds but not by yeasts. e. are only produced under harmful environmental conditions

Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm.

What's the function of rough er