American Military University BIOL 250/BIO250 Week 4 Quiz 3 | Answered correctly | 100% latest Fall 2025/26.

American Military University BIOL 250/BIO250 Week 4 Quiz 3 | Answered correctly | 100% latest Fall 2025/26. Week 4 Quiz 3 Question 1 4 / 4 points In which phase are the paired chromatids separating and being pulled to opposite ends of the cell? Question options: Anaphase Metaphase Prophase Telophase Hide question 1 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 2 4 / 4 points Which of the following phases is characterized by preparation for DNA synthesis? Question options: G0 G1 G2 S Hide question 2 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 3 4 / 4 points During prophase, as the centrioles are migrating to opposite ends of the cell, their spindle fibers attach to what part of the chromatids? Question options: Centromeres Microtubules Telomeres Hide question 3 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 4 4 / 4 points What does the phospholipid bilayer consist of? Question options: Intracellular fluid and extracellular fluid Two adjacent sheets of phospholipids No proteins or fatty acids Glycerol and phosphate Hide question 4 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 5 4 / 4 points Which nitrogenous base found in DNA and RNA pairs with guanine? Question options: Adenine Cytosine Guanine Thymine Hide question 5 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 6 4 / 4 points The cell membrane is composed of numerous proteins, some of which allow for passage of material in and out of the cell. Which of the following proteins allow large molecules to pass through passively? Question options: Channel Ligand Receptor Transmembrane transporter protein This can be found in the OpenStax Overview of Anatomy and Physiology section Question 7 4 / 4 points Since the liver cells detoxify drugs, they most likely have an abundance of _________. Question options: Lysosomes Nuclei Ribosomes Smooth endoplasmic reticulum Hide question 7 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 8 4 / 4 points Which of the following is NOT a role of glycocalyces? Question options: Contain receptors for hormones Contain molecules that allow the cell to bind to other cells Contain enzymes to break down nutrients Prevent donated organ rejection Hide question 8 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 9 4 / 4 points What is a primary function of tumor suppressor genes? Question options: Allow the cell to skip certain phases of the cell cycle. Help oncogenes produce oncoproteins. Stop all cells from dividing. Stop certain cells from dividing. . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 10 4 / 4 points Which enzyme is required for transcription? Question options: DNA polymerase Restriction enzymes RNAase RNA polymerase Hide question 10 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 11 4 / 4 points What type of cells can be extracted from human embryonic stem cells? Question options: Multipotent Oligopotent Pluripotent Totipotent Hide question 11 feedback . This can be found in the OpenStax Overview of Anatomy and Physiology section Question 12 4 / 4 points Transcription is the transfer of genetic information from: Question options: DNA to mRNA DNA to RNA mRNA to tRNA tRNA to mRNA This can be found in the OpenStax Overview of Anatomy and Physiology section Question 13 4 / 4 points A molecule (or region of a molecule) that is attracted to water is known as a(n) _________ molecule. Question options: Integral Bi-layerd Hydrophobic Hydrophilic Bipolar Question 14 4 / 4 points Human sex cells (sperm or egg) contain _____ chromosomes. All other cells contain _____ chromosomes. Question options: 25; 50 24; 48 23; 46 22; 44 30; 60 Question 15 4 / 4 points What is the name of the process during which a chain of amino acids called a polypeptide is synthesized? Question options: Splicing Synthesizing Trans-section Translation Transcription Question 16 4 / 4 points A ______ cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells. Question options: Sex cell Haploid cell Stem cell Somatic cell Diploid cell Question 17 4 / 4 points Which of the following sequences on a DNA molecule would be complementary to GCTTATAT? Question options: TAGGCGCG ATCCGCGC CGAATATA TGCCTCTC None of the above Question 18 4 / 4 points The process when the cytoplasm actually divides into two separate cells is named _________. Question options: Meiosis Prophase Cytokinesis Mitosis Interphase Question 19 4 / 4 points Which type of stem cell gives rise to red and white blood cells? Question options: blood endothelial epithelial hematopoietic mesenchymal Question 20 4 / 4 points A ____________ is a membranous, bean-shaped organelle that is called the "energy transformer" of the cell. Question options: Mitochondrion Golgi apparatus Nucleus Ribosome Nucleolus Question 21 4 / 4 points Transcription and translation take place in the ________ and ________, respectively. Question options: nucleolus; nucleus ribosome; cytoplasm nucleus; cytoplasm cytoplasm; nucleus nucleolus; cytoplasm Question 22 4 / 4 points The most direct method by which an ion or molecule can move across a cell membrane is by ____________. Question options: a sodium-potassium pump using an integral protein simple diffusion osmosis active transport Question 23 4 / 4 points The molecules which store the genetic instructions of an organism is ________. Question options: Histone RNA DNA ADP ATP Question 24 4 / 4 points The process named "transcription" occurs within the cell nucleus. ___________ is produced during this process. Question options: A pRNA A tRNA molecule A ribosome A mRNA molecule A very short amino acid chain Question 25 4 / 4 points All of the genetic material inside a cell is located in the ________. Question options: Nucleus Golgi apparatus Centrioles Mitochondria Ribosomes