Double fertilization means that A) flowers must be pollinated twice to yield fru

Author Question: Double fertilization means that A) flowers must be pollinated twice to yield fru (Read 719 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

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.