× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
6
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
Home Q & A Board Biology-Related Homework Help Cell Biology
New Topic  
With806 With806
wrote...
Go to Answer
Posts: 294
Rep: 0 0
6 years ago
The pectins and hyaluronic acid are both
a. secreted by animal cells.
b. very negatively charged.
c. proteins.
d. intracellular substances.
Read 60 times
1 Reply
Lodish, Genetics Textbook
Replies
Answer verified by a subject expert
MMAfan14MMAfan14
wrote...
#1
Posts: 179
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

With806 Author
wrote...

6 years ago
Thank you, thank you, thank you!
Harvinder
wrote...

Yesterday
Brilliant ツ
erimis
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  481 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 289
  
 1463
  
 1868
Your Opinion
Who's your favorite biologist?
Votes: 608
Previous poll results: What's your favorite coffee beverage?