input: OPTIONS:
- energy fold
- nuclear fold
- energy envelope
- nuclear envelope Now, answer this question: Q: What is the double-membrane structure that constitutes the outermost portion of the nucleus? A:
A:
output: nuclear envelope

Q: What happens when a neutral atom gains or loses electrons? A:

OPTIONS:
- it loses protons
- it gains protons
- it loses neutrons
- it becomes an ion

Answer: it becomes an ion

Problem: OPTIONS:
- annelids
- reptiles
- mammals
- arachnids
Q: Q: Sharing a phylum with insects, spiders, daddy-long-legs, scorpions, and ticks belong to what class? A:
Answer: arachnids

Problem:OPTIONS:
- chitin
- epidermis
- golgi apparatus
- mitochondrion

Q: What does the inner membrane divide into two internal compartments? A:
****
A: mitochondrion

Q: Which hormones work together to control the level of glucose in the blood? A:
OPTIONS:
- insulin and estrogen
- serotonin and glucagon
- testosterone and insulin
- insulin and glucagon
insulin and glucagon

Q: Snakes are which type of animal? A:
OPTIONS:
- vegivors
- omnivores
- herbivorous
- carnivorous

Answer:
carnivorous