BIOL250 - Human Anatomy and Physiology with Lab I | BIOL 250 Quiz 4 (cells) | Answered 100% all correct | updated Fall 2025/26.

BIOL250 - Human Anatomy and Physiology with Lab I | BIOL 250 Quiz 4 (cells) | Answered 100% all correct | updated Fall 2025/26. Quiz 4 Ana & Phys I Bio 250 96% Question 1 4 / 4 points Which trait reappears in the second generation after disappearing in the first generation when parents with different traits are bred? Question options: Hydrozygous Incomplete dominance Random Recessive trait Hide question 1 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 2 4 / 4 points Choose the genetic disorder caused by a dominant allele. Question options: Hemophilia Huntington's disease Sickle-cell anemia Tay-Sachs disease Hide question 2 feedbackFeedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 3 4 / 4 points Which Of Mendel's laws states that when any individual produces sex cells, gametes, the copies of gene separate, so that each sex cell, gamete, receives only one copy. A gamete will receive one allele or the other? Question options: Incomplete dominance Principle of segregation Recessive trait Sickle cell Hide question 3 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 4 0 / 4 points What is an allele? Question options: A heterozygous genotype A homozygous genotype Another word for a gene* One of several possible forms of a geneHide question 4 feedback Feedback Incorrect. This can be found in the OpenStax Overview of Anatomy and Physiology sectio Question 5 4 / 4 points Zoe has cystic fibrosis. Which of the following is the most likely explanation? Question options: Zoe probably inherited one faulty allele from her father, who is a carrier, and one n mother. Zoe probably inherited one faulty allele from her mother, who must also have cystic normal allele from her father. Zoe must have inherited faulty alleles from both parents, both of whom must also h Zoe must have inherited faulty alleles from both parents, both of whom are carriers Hide question 5 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 6 4 / 4 points Because of their unique molecular structures, only the following bases found in DNA can bind together: Question options: A to T T to A C to GG to C All of the above Hide question 6 feedback Feedback Good work; your answer is correct! Question 7 4 / 4 points The most direct method by which an ion or molecule can move across a cell membrane is by ____________. Question options: simple diffusion active transport using an integral protein osmosis a sodium-potassium pump Hide question 7 feedback Feedback Good work; your answer is correct! Question 8 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:Somatic cell Diploid cell Haploid cell Sex cell Stem cell Hide question 8 feedback Feedback Good work; your answer is correct! Question 9 4 / 4 points A molecule (or region of a molecule) that is attracted to water is known as a(n) _________ molecule. Question options: Hydrophilic Integral Hydrophobic Bipolar Bi-layerd Hide question 9 feedback Feedback Good work; your answer is correct!Question 10 4 / 4 points What scientist is given credit for coming up with the concept of the cell? Question options: Robert Hooke Michael Curie Albert Einstein Galileo Michelangelo Hide question 10 feedback Feedback Good work; your answer is correct! Question 11 4 / 4 points The cells that make up nearly all of the body contain an equal number of chromosomes that they receive from each parent. These are called ________ cells. Question options: Sex cells Duplex cells Bipolar cells Somatic cells Mitotic cellsHide question 11 feedback Feedback Good work; your answer is correct! Question 12 4 / 4 points All of the genetic material inside a cell is located in the ________. Question options: Ribosomes Golgi apparatus Mitochondria Nucleus Centrioles Hide question 12 feedback Feedback Good work; your answer is correct! Question 13 4 / 4 points The process named "transcription" occurs within the cell nucleus. ___________ is produced during this process. Question options: A very short amino acid chain A mRNA molecule A tRNA moleculeA ribosome A pRNA Hide question 13 feedback Feedback Good work; your answer is correct! Question 14 4 / 4 points Which of these methods that aids in the movement of ions or molecules across a cell membrane requires the use of energy which is supplied by ATP molecules? Question options: Facilitated diffusion Reverse diffusion Active transport Osmosis Passive transport Hide question 14 feedback Feedback Good work; your answer is correct! Question 15 4 / 4 points The largest and most prominent of a cell's organelles is its __________. Question options: Golgi apparatusnucleolus ribosome nucleus mitochondrion Hide question 15 feedback Feedback Good work; your answer is correct! Question 16 4 / 4 points How many bases found on a gene translate for any one amino acid? Question options: One Two Three Four Five Hide question 16 feedback Feedback Good work; your answer is correct! Question 17 4 / 4 pointsThe molecules which store the genetic instructions of an organism is ________. Question options: ADP Histone RNA ATP DNA Hide question 17 feedback Feedback Good work; your answer is correct! Question 18 4 / 4 points Why is DNA replication said to be "semiconservative"? Question options: After replication is complete, a proofreading process begins so that mistakes can be After replication is complete, one of the two parent DNA strands makes up half of e molecule. DNA replication takes place at the same time as cell division saving time and effort Replication takes place like unzipping a zipper and requires little effort. Hide question 18 feedback FeedbackCorrect. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 19 4 / 4 points Which of the following phases is characterized by preparation for DNA synthesis? Question options: G0 G1 G2 S Hide question 19 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 20 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 20 feedback FeedbackCorrect. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 21 4 / 4 points The macrostructure of DNA is which of the following? Question options: DNA helix Nucleosome Histones Chromosome Chromatin DNA helix Nucleosome Histones Chromatin Chromosome Histones DNA Helix Nucleosome Chromatin Chromosome DNA helix Histones Nucleosome Chromatin Chromosome Hide question 21 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 22 4 / 4 points Which type of stem cell gives rise to red and white blood cells? Question options: Endothelial Epithelial Hematopoietic Mesenchymal Hide question 22 feedback FeedbackCorrect. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 23 4 / 4 points Which of the following is NOT a function of the endomembrane system? Question options: Creation of plasma for cells. Detoxification of poisons. Metabolism and movement of lipids. Synthesis of proteins and transports into membranes, organelles, or out of cells. Hide question 23 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology section Question 24 4 / 4 points What does the phospholipid bilayer consist of? Question options: Glycerol and phosphate No proteins or fatty acids Intracellular fluid and extracellular fluid Two adjacent sheets of phospholipids Hide question 24 feedback Feedback Correct. This can be found in the OpenStax Overview of Anatomy and Physiology sectionQuestion 25 4 / 4 points Passive transport resembles which of these processes the most? Question options: Active transport Electrical gradient Facilitated diffusion Simple diffusion Hide question 25 feedback