★ Macromolecules Quiz
Which group of biomolecules provide quick energy to organisms?
A. proteins
B. carbohydrates
C. lipids
D. nucleic acids
Select your answer:
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Physiology Pathology Joints and Range of Motion Fluid Therapy The Cell Cycle SPED Law-lympics Mouth - Stomach Illnesses and Diseases in Caregiving Medical, Legal, and Ethical Issues The Skeletal System Parathyroid Gland Infectious Disease Paeds Edema Common Respiratoty Diseases Tutor Oral Biology HFT VitaminsOther quiz:
Cell - Fundamental Unit of Life › ViewA student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?
A. Water moved into the lettuce cells by active transport.
B. Water moved into the lettuce cells by osmosis.
C. Salt moved into the lettuce cells by diffusion.
D. Water moved out of the lettuce cells by osmosis.
Pollution › View
Which of the following is the most troubling greenhouse gas being produced by humans?
A. Water Vapor
B. Carbon Dioxide
C. Methane
D. Nitrous Oxide