Pollination Process Overview

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Questions and Answers

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

  • Develop into seeds after fertilization
  • Undergo mitotic division to produce sperm nuclei (correct)
  • Produce the megaspore mother cell
  • Cover the seed coat

What is the role of the funiculus in the ovule?

  • Forms the integuments
  • Contains the micropyle
  • Produces the seed coat
  • Attaches the ovule to the ovary (correct)

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

  • Megaspore mother cell (correct)
  • Generative nucleus
  • Antipodals
  • Synergids

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

<p>They disintegrate (A)</p> Signup and view all the answers

What is the function of synergids in an embryo sac?

<p>Disintegrate after fertilization (D)</p> Signup and view all the answers

What part of an ovule becomes the seed coat?

<p>Integuments (A)</p> Signup and view all the answers

What is pollination?

<p>Process of transferring pollen grain to stigma (A)</p> Signup and view all the answers

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

<p>Acetyl CoA (A)</p> Signup and view all the answers

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

<p>Citrate (A)</p> Signup and view all the answers

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

<p>Dehydrates citrate to form isocitrate (B)</p> Signup and view all the answers

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

<p>Carbon Dioxide (A)</p> Signup and view all the answers

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

<p>Reduces NAD+ to form NADH (D)</p> Signup and view all the answers

What happens to acetyl CoA in the citric acid cycle?

<p>It forms citrate with oxaloacetate (B)</p> Signup and view all the answers

What role do NADH and FADH2 play in cellular respiration?

<p>Harvest bond energy (A)</p> Signup and view all the answers

What is the primary function of oxidative phosphorylation?

<p>Generate ATP (A)</p> Signup and view all the answers

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

<p>Electron Transport Chain (D)</p> Signup and view all the answers

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