This topic contains a solution. Click here to go to the answer

Author Question: In a typical angiosperm, what is the sequence of structures encountered by the t (Read 687 times)

aero

  • Hero Member
  • *****
  • Posts: 512
In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg?
1.    micropyle
2.    style
3.    ovary
4.    stigma
A) 4 → 2 → 3 → 1
B) 4 → 3 → 2 → 1
C) 1 → 4 → 2 → 3
D) 1 → 3 → 4 → 2
E) 3 → 2 → 4 → 1



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Celeste on Mar 28, 2019

federox

  • Sr. Member
  • ****
  • Posts: 308

aero

  • Hero Member
  • *****
  • Posts: 512

 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

For a complete list of videos, visit our video library