Which of the following statements about stress is true?
a. stress is a normal part of life.
b. there are different kinds of stress.
c. stress can lead up to health problems.
d. all of the above

Which hormone controls the production of sperm

Fill in the table below by placing check marks in the appropriate boxes and writing the product of transcription and translation. super

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3