Pollination Process Overview

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16 Questions

What is the function of the generative nucleus in the pollen grain?

Undergo mitotic division to produce sperm nuclei

What is the role of the funiculus in the ovule?

Attaches the ovule to the ovary

Which cell in the ovule is much different from the surrounding cells and undergoes meiosis?

Megaspore mother cell

What happens to 3 out of the 4 megaspores produced by the megaspore mother cell?

They disintegrate

What is the function of synergids in an embryo sac?

Disintegrate after fertilization

What part of an ovule becomes the seed coat?


What is pollination?

Process of transferring pollen grain to stigma

What is the starting material for the Kreb's Cycle?

Acetyl CoA

Which molecule is formed by the condensation of acetyl CoA with oxaloacetate in the citric acid cycle?


What is the function of aconitase in the citric acid cycle?

Dehydrates citrate to form isocitrate

Which molecule is released when isocitrate is oxidized in the TCA cycle?

Carbon Dioxide

What is the main role of isocitrate dehydrogenase in the citric acid cycle?

Reduces NAD+ to form NADH

What happens to acetyl CoA in the citric acid cycle?

It forms citrate with oxaloacetate

What role do NADH and FADH2 play in cellular respiration?

Harvest bond energy

What is the primary function of oxidative phosphorylation?

Generate ATP

In which stage of cellular respiration are most ATP molecules produced?

Electron Transport Chain

Learn about self-pollination and cross-pollination, as well as the various agents that aid in pollination such as wind, insects, birds, and humans. Understand the process of pollen tube growth and fertilization following pollen landing on the stigma.

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