« previous next »

Author Question: Double fertilization means that A) flowers must be pollinated twice to yield fru (Read 647 times)

curlz

  • Hero Member
  • *****
  • Posts: 538
on: Aug 14, 2013
Double fertilization means that
A) flowers must be pollinated twice to yield fruits and seeds.
B) every egg must receive two sperm to produce an embryo.
C) one sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei.
D) the egg of the embryo sac is diploid.
E) every sperm has two nuclei.


mydiamond

  • Hero Member
  • *****
  • Posts: 804
Reply #1 on: Aug 22, 2013
I know it's C,

Shine bright :)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Double pupils Double pupils
This Russian godfather is leaving a Moscow court just after he was acquitted of a double murder. Do ... This Russian godfather is leaving a Moscow court just after he was acquitted of a double murder. Do ...
Double-check for any oil or vacuum leaks after starting the engine. Double-check for any oil or vacuum leaks after starting the engine.
Differences in yield between two wheat varieties at different soil fertility levels Differences in yield between two wheat varieties at different soil fertility levels
In situ hybridization of a zebrafish embryo 48 hours after fertilization In situ hybridization of a zebrafish embryo 48 hours after fertilization
Photomicrograph of a hermaphroditic nematode and self-fertilization Photomicrograph of a hermaphroditic nematode and self-fertilization
Video: Heart sounds

For a complete list of videos, visit our video library