× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
wiliam789 wiliam789
wrote...
Go to Answer
Posts: 308
Rep: 16 0
5 years ago
The results of studies investigating the role of biological factors suggest that depression is caused by __________.
A) variations in the serotonin transporter gene
B) increases in polypeptide Y in the brain
C) decreases in the levels of gastric ghrelin
D) unusual elevations in both dopamine and glutamate levels
Read 95 times
2 Replies
Replies
Answer verified by a subject expert
ggilchr1ggilchr1
wrote...
#1
Posts: 202
Rep: 46 0
5 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wiliam789 Author
wrote...
#2
5 years ago
All correct!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1317 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 225
  
 2510
  
 578
Your Opinion
How often do you eat-out per week?
Votes: 79
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?