The acrosome contains enzymes that help the sperm penetrate the egg.

Describe the roles of estrogen and progesterone during the menstrual cycle.

Which of the following occurs first in human development?

Ovulation typically occurs around day 21 of a standard 28-day menstrual cycle.  

1. What are some special characteristics of sperm that help them function for fertilization? (4 points) 2. What is the process for sperm to penetrate the egg? (4 points) 3. What happens with the egg and sperm to block polyspermy from happening? Why must polyspermy be blocked? (4 points)

Human gestation normally lasts about 280 days from the first day of the last menstrual period.  

1. Discuss 2 common complications that may arise during pregnancy or labor. (2 points) 2. Explain how they affect both the mother and fetus. (4 points) 3. Explain the causes, risks, and potential treatments if possible. (4 points)

10.  (12 points) Write the complete balanced equation for the following reactions. Identify the type of reaction. (WCSP25.)   a. HNO3 (aq) +      Ba(OH)2 (aq) 

Copper was mixed with nitric acid (HNO3). Fizzing and bubbling occurred along with a color change from colorless to blue. The gaseous product was collected in a test tube and exposed to a glowing splint.  A loud pop was heard.  Identify the gas produced and indicate what observation would correspond to a different gas by making the following matches.

9.  You found a solution of 0.200 M AgNO3 in the lab.  You think you could make some money if you reduce the silver ions to silver metal according to the following reaction. (WCSP25.) 3 AgNO3 (aq)   +   Al (s)