« previous next »

Author Question: Which structure(s) must pass through the micropyle for successful fertilization (Read 612 times)

aero

  • Hero Member
  • *****
  • Posts: 512
on: Jul 25, 2013
Which structure(s) must pass through the micropyle for successful fertilization to occur in angiosperms?
A) only one sperm nucleus
B) two sperm nuclei
C) the pollen tube
D) Two of the responses above are correct.


federox

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 28, 2013
Pick D. Bye for now.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

aero

  • Hero Member
  • *****
  • Posts: 512
Reply #2 on: Aug 6, 2013
Yes you were right ! Thanks


« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Formation and structure of a peroxisome Formation and structure of a peroxisome
Kelp forest structure. Kelp forest structure.
Structure of Mitochondria Structure of Mitochondria
Steps in determining the structure of sperm whale myoglobin by x-ray crystallography Steps in determining the structure of sperm whale myoglobin by x-ray crystallography
Lunokhod 1 (lit. moonwalker), the first successful space rover. Lunokhod 1 (lit. moonwalker), the first successful space rover.
Family Structure: U.S. Families with Children under Age 18 Headed by Mothers, Fathers and Both ... Family Structure: U.S. Families with Children under Age 18 Headed by Mothers, Fathers and Both ...
Video: Random alignment at Metaphase I Animation

For a complete list of videos, visit our video library