The Chromosomal Basis of Heredity: Lecture Two
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Questions and Answers

What is the primary function of the mitochondria?

  • Protein synthesis
  • Lipid production
  • Cellular respiration and energy production (correct)
  • Waste elimination

Which organelle is responsible for secretion in the cell?

  • Centrosome
  • Golgi Apparatus (correct)
  • Ribosomes
  • Endoplasmic Reticulum

What is the function of the nuclear membrane in eukaryotic cells?

  • Stores genetic information
  • Separates genetic material from cytoplasm (correct)
  • Synthesizes proteins
  • Facilitates cellular mobility

Where are chloroplasts found and what is their primary function?

<p>Plants; Photosynthesis (D)</p> Signup and view all the answers

During cell division, what contributes to the shape of the chromosome?

<p>Position of the centromere (C)</p> Signup and view all the answers

In humans, what is the diploid chromosome number (2N)?

<p>46 (A)</p> Signup and view all the answers

What is the term for chromosomes that are structurally alike and of the same size or length?

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

What is the term for the shorter arm of a chromosome, where 'p' stands for 'petite'?

<p>P arm (D)</p> Signup and view all the answers

In which type of chromosome does the centromere location lie close to the end?

<p>Acrocentric (D)</p> Signup and view all the answers

What distinguishes eukaryotic cells from prokaryotic cells?

<p>Presence of nuclear membrane (D)</p> Signup and view all the answers

Which organelle is responsible for providing cellular energy through respiration and oxidation?

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

What is the primary function of the centrosome and centriole in a cell?

<p>Duplicating genetic material (D)</p> Signup and view all the answers

What is the term for the threadlike structures found in the nuclei of the cell that are carriers of genes?

<p>Chromatids (C)</p> Signup and view all the answers

What is the term for the dark network in the nucleus that becomes distinct bodies or chromosomes during cell division?

<p>Chromatin (D)</p> Signup and view all the answers

What is the term for the location of the centromere close to the end of a chromosome?

<p>Acrocentric (B)</p> Signup and view all the answers

What is the term for the smaller arm of a chromosome, where 'p' stands for 'petite'?

<p>Centromere arm (C)</p> Signup and view all the answers

In humans, what is the diploid chromosome number (2N)?

<p>46 (A)</p> Signup and view all the answers

What are homologous chromosomes?

<p>Chromosomes with identical sizes and centromere positions (A)</p> Signup and view all the answers

What do acrocentric chromosomes refer to?

<p>Chromosomes with centromere close to end (D)</p> Signup and view all the answers

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