« previous next »

Author Question: Which of the following is the correct sequence of events in a pollen sac? A) spo (Read 1510 times)

curlz

  • Hero Member
  • *****
  • Posts: 538
on: Aug 14, 2013
Which of the following is the correct sequence of events in a pollen sac?
A) sporangia → meiosis → two haploid cells → meiosis → two pollen grains per cell
B) pollen grain → meiosis → two generative cells → two tube cells per pollen grain
C) two haploid cells → meiosis → generative cell → tube cell-fertilization → pollen grain
D) pollen grain → mitosis → microspores → meiosis → generative cell plus tube cell
E) microsporocyte → meiosis → microspores → mitosis → two haploid cells per pollen grain


Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: Aug 22, 2013
I know it's E,

Shine bright :)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Reply #2 on: Jun 8, 2015
Thank you


« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

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?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

The events of gastrulation in amphibians. The events of gastrulation in amphibians.
False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth. False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
Major Events in the History of Psychology Major Events in the History of Psychology
Major Events in the History of Psychology (3 of 6) Major Events in the History of Psychology (3 of 6)
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word
Video: Role of the urinary system - acidosis and alkalosis

For a complete list of videos, visit our video library