Problem: OPTIONS:
- Their optic groups
- their visual groups
- their thermal groups
- their functional groups
Q: Q: How are the major families of organic compounds characterized? A:
Answer: their functional groups

Problem:OPTIONS:
- osmosis
- convection
- absorption
- diffusion

Q: Short chains of two amino acids (dipeptides) or three amino acids (tripeptides) are also transported actively. however, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leaving the cell and entering the capillary blood via what? A:
****
A: diffusion

Q: Muscles are composed mostly of cells called what? A:
OPTIONS:
- muscle organelles
- muscle filament
- muscle polymers
- muscle fibers
muscle fibers

Q: What is the comparison of two factors within a population? A:
OPTIONS:
- variable
- hypothesis
- curve
- correlation

Answer: correlation

Question: Q: What do you call a specialized type of plant tissue that transports water and nutrients throughout the plant? A:
OPTIONS:
- chloroplasm
- thermal tissue
- cambrium layer
- vascular tissue
Answer: vascular tissue

input: OPTIONS:
- tissues
- enzymes
- proteins
- lipids Now, answer this question: Q: Fatty acids, triglycerides, phospholipids, and steroids are examples of what? A:
A:
output:
lipids