Problem: OPTIONS:
- extraction
- fermentation
- gastrulation
- denaturation
Q: Q: Each protein has its own unique sequence and shape held together by chemical interactions. if the protein is subject to changes in temperature, ph, or exposure to chemicals, the protein structure may change, losing its shape in what is known as this? A:
Answer: denaturation

Problem:OPTIONS:
- samples
- faith
- pain
- organs

Q: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period? A:
****
A: organs

Q: Fibrous root systems have many small branching roots called what? A:
OPTIONS:
- vines
- taproots
- tendrils
- fibrous roots
fibrous roots

Q: What term refers to the breaking stress that will cause permanent deformation or fracture of a material? A:
OPTIONS:
- elasticity
- malleability
- viscosity
- tensile strength

Answer: tensile strength

Question: Q: What type of energy is stored in the nuclei of atoms? A:
OPTIONS:
- light energy
- radioactive energy
- heat energy
- nuclear energy
Answer: nuclear energy

input: OPTIONS:
- inner membranes
- abundant membranes
- similar membranes
- biological membranes Now, answer this question: Q: What is it that surrounds cells and serve to keep the insides separated from the outsides? A:
A:
output:
biological membranes