Problem: OPTIONS:
- estrogen
- dioxins
- testosterone
- androgens
Q: Q: The deepest region of the adrenal cortex is the zona reticularis, which produces small amounts of a class of steroid sex hormones called what? A:
Answer: androgens

Problem:OPTIONS:
- recalibration
- breaking away
- regression
- macroevolution

Q: What is the term for much bigger evolutionary changes that result in new species? A:
****
A: macroevolution

Q: What is the enclosed, fluid-filled membrane that surrounds and protects the fetus and is attached to the placenta? A:
OPTIONS:
- epithelial sac
- umbilical sac
- womb
- amniotic sac
amniotic sac

Q: Rising air currents carry water vapor into what? A:
OPTIONS:
- stratosphere
- ionosphere
- troposphere
- atmosphere

Answer: atmosphere

Question: Q: Digestive enzymes, including which enzyme, start breaking down starches into sugars? A:
OPTIONS:
- triglyceride
- cortisol
- melatonin
- amylase
Answer: amylase

input: OPTIONS:
- sequence activity
- nucleus activity
- cell activity
- enzyme activity Now, answer this question: Q: Metabolism is controlled by regulation of what? A:
A:
output:
enzyme activity