Skin, hair, muscles, and enzymes are all made up of ________
A) organelles
B) lipids
C) proteins
D) carbohydrates
E) nucleic acids
C
You might also like to view...
How can a half-life be used to tell the age of a sample?
A. The ratio between the radioactive form and stable form varies regularly with time. B. The amount of radioactive form depends on the amount of radiation in the surroundings. C. The half-life of an isotope is constant. D. The ratio between the radioactive form and the stable form depends on the archaeological record. E. both C and D
Formulate the main reactions that contribute to the ocean's buffering capacity, and discuss how the reaction proceeds. What will be an ideal response?
Discuss the composition and characteristics of Earth's layers. How was the composition of the mantle and core determined?
________ are important economic resources for lead, zinc, gold, silver, tungsten, tin, and mercury.
A. Meteor impact sites B. Marble C. Quartzites D. Schists E. Hydrothermal veins