Macromolecules composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio are
A. Proteins
B. Lipids
C. Fatty Acids
D. Nucleic Acids
E. Carbohydrates
Answer: E. Carbohydrates
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A habitat
a. has a specific set of resources. b. is a place where a population lives. c. has a unique set of challenges. d. can vary a little or a lot. e. fits all of these descriptions.
A tennis player suffered an injury after a long match. Her elbow was significantly swollen and irritated. She most
likely damaged what structure in her elbow joint? a. ligaments b. bursae c. cartilage d. synovial membrane e. myofibrils
Briefly explain the iron-sulfur world hypothesis and identify two pieces of evidence that support this
hypothesis. What will be an ideal response?
State a significant difference between X-linked and sex-influenced inheritance
What will be an ideal response?