× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
5
R
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
New Topic  
juhuyh juhuyh
wrote...
Posts: 526
Rep: 0 0
6 years ago
The effect of red light on phytochrome is indicated
  by
  a. A.
  b. B.
  c. C.
  d. D.
  e. none of these.

Question 2

In long-day plants,
  a. extended daylight produces more Pfr.
  b. the number of hours of darkness must be less
  than a critical value.
  c. the interruption of the dark period does not upset
  the flowering sequence.
  d. flowering is limited to summertime under
  normal conditions.
  e. all of these occur.
Read 30 times
2 Replies
Replies
Answer verified by a subject expert
umwutumwut
wrote...
Posts: 338
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

juhuyh Author
wrote...
6 years ago
This is very helpful, my teacher this year is not good
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  930 People Browsing
Related Images
  
 80
  
 1045
  
 256
Your Opinion
What's your favorite coffee beverage?
Votes: 299

Previous poll results: Do you believe in global warming?