Problem: OPTIONS:
- b.a.p cell receptors
- a.m. cell receptors
- er cell receptors
- b cell receptors
Q: Q: What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions? A:
Answer: b cell receptors

Problem:OPTIONS:
- fibroblasts
- ribosomes
- nuclei
- chloroplasts

Q: What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food? A:
****
A: chloroplasts

Q: What is the lowest layer of the atmosphere? A:
OPTIONS:
- ionosphere
- chromosphere
- lithosphere
- troposphere
troposphere

Q: Dna replication is the first step in what process for both eukaryotic and prokaryotic cells? A:
OPTIONS:
- cell death
- cell growth
- cell transfer
- cell division

Answer: cell division

Question: Q: Prokaryotic cells do not have a nucleus but instead generally have a single chromosome, a piece of double-stranded dna located in an area of the cell called the what? A:
OPTIONS:
- lysosome
- cytoplasm
- spicule
- nucleoid
Answer: nucleoid

input: OPTIONS:
- bacterium
- mammal
- amphibian
- plant Now, answer this question: Q: The sun's energy is converted to chemical energy by a what? A:
A:
output:
plant