Cells Jeopardy! Organelle #1 Movement Communica Cell tion Division Cell Membrane 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 100 A student using a light microscope observes a cell and correctly decides that it is a plant cell because A) Ribosomes are visible B) An endoplasmic reticulum can be seen C) A cell membrane is present D) It has a large central vacuole E) Centrioles are present D. Central vacuole 200 Which of the following is NOT normally found in a plant cell? A) Mitochondria B) Endoplasmic Reticulum C) Plastids D) Plasma Membrane E) Centrioles E. Centriole 300 Which of the following is present in a prokaryotic cell? A) Mitochondria B) Ribosomes C) Endoplasmic reticulum D) Chloroplasts E) Nuclear Membrane B. Ribosomes 400 Which of the following organelles modifies and packages for secretion the materials produced by the ribosomes? A) The chloroplast B) The Golgi apparatus C) The nucleus D) The nucleolus E) The mitochondrion B. Golgi Apparatus 500 Match the two columns… 1. Produces ATP A) Golgi Apparatus 2. Produces Proteins B) Microtubules 3. Packages and secretes C) Rough ER substances D) Mitochondria 4. Contains hydrolytic enzymes E) Lysosomes 5. Directly assists with cell division 1. D 4. E 2. C 5. B 3. A 100 This is the fusion of a vesicle with the cell membrane; the contents are released outside of the cell. A) osmosis B) facilitated diffusion C) exocytosis D) endocytosis E) active transport C. Exocytosis 200 Simple diffusion and facilitated diffusion are related in that both A) Require protein carriers B) Depend on a concentration gradient C) Occur via concentrations of cytoskeletal elements attached to membrane proteins D) Are endergonic processes and thus require the hydrolysis of ATP E) Occur in eukaryotic cells but not in prokaryotic cells B. Depend on a concentration gradient 300 You know that this in a(n)_____ solution because the cell will… A) hypertonic ... lost water B) hypertonic ... gained water C) isotonic ... neither lost nor gained water D) hypotonic ... shrunk E) hypotonic ... swelled E. Hypotonic… swelled 400 A student was studying the responses of cells to solutions of varying salt concentrations. Which solution below would cause no change in cell size? G 500 The sodium-potassium pump is an example of _____. A) facilitated diffusion B) transport by a mobile carrier C) ion movement through a gated channel D) active transport E) coated-pit endocytosis C. Ion movement through gated channel 100 A substance that acts at a distance from the site at which it is secreted is classified as a(n) __________. A) neurotransmitter B) paracrine signal C) local regulator D) hormone E) synaptic signal D. Hormone 200 When a platelet contacts a damaged blood vessel, it is stimulated to release thromboxane A2. Thromboxane A2 in turn stimulates vascular spasm and attracts additional platelets in the vicinity to the injured site. In this example Thromboxane A2 is acting as a(n)…. A) Neurotransmitter B) Transcription factor C) Protein kinase D) Local regulator E) G protien D. Local Regulator 300 The receptor molecule is this letter B 400 Which of the following enables a cell to engulf a specific kind of molecule? A) Passive transport B) Diffusion C) Osmosis D) Receptor-mediated endocytosis E) exocytosis D. Receptor-mediated Endocytosis 500 Certain yeast cells secrete a molecule called the a factor. The purpose of this molecule is to _____. A) kill other yeast cells nearby, which may be competing for access to food. B) kill bacteria nearby, which may be competing for access to food. C) stimulate an a yeast cell to grow toward the a cell D) attract other yeast cells of the same mating type to assemble E) enzymatically process food into a form that can be easily absorbed. C. Stimulate an a yeast cell to grow toward the a cell 100 Interphase consists of the __________ stages of cellular growth and division. A) G1, M, and G2 B) G1, S, and G2 C) M, S, and G2 D) M, S, and G1 B. G1, S and G2 200 If a cell has 24 chromosomes at the beginning of meiosis, how many will it have a the end of meiosis? If a cell as 24 chromosomes at the beginning of mitosis, how many will I have a the end of mitosis? Meiosis = 12 Mitosis = 24 300 Which of the following does NOT occur by mitosis? A) Growth B) Production of gametes C) Repair D) Development of embryo E) Cleavage B. Production of gametes 400 The function of the cell cycle is to produce daughter cells that _____. A) are genetically identical to the parent cell (assuming no mutation has occurred) B) have the same number of chromosomes as the parent cell but not the same genetic content C) have a random assortment of maternal and paternal chromosomes D) have the same number of chromatids as the parent cell had chromosomes E) none of the above A. 500 What is a factor that limits cell size? A) B) C) D) E) How active the cell is What kind of activity a cell is engaged in The ratio of volume to cell surface area Whether the cell is a plant or animal cell Whether the cell is prokaryotic or eukaryotic C. Surface area to volume ratio 100 Phospholipid molecules in a membrane are arranged with their ____ on the exterior and their ____ on the interior. A) hydrophobic heads ... hydrophilic tails B) hydrophilic heads ... hydrophobic tails C) nonpolar heads ... polar tails D) hydrophobic tails ... hydrophilic heads E) hydrophilic tails ... hydrophobic heads B. 200 Which of the following best describes the general structure of a cell membrane? A) proteins sandwiched between two layers of phospholipids B) proteins embedded in two layers of phospholipids C) a layer of protein coating a layer of phospholipids D) phospholipids sandwiched between two layers of protein E) phospholipids embedded in two layers of protein B 300 When there is a lower concentration of water outside of a plant cell rather than inside a plant cell, the plant will tend to… A) grow toward the sun B) lose water and wilt C) gain water and become rigid D) increase its rate of photosynthesis B. Loose water and wilt 400 Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? A) Starch B) Cellulose C) Protein D) Phospholipid E) Glycogen D. Phospholipids 500 Which of the following best characterized the structure of the plasma membrane? A) Rigid and unchanging B) Rigid but varying from cell to cell C) Fluid but unorganized D) Very active E) Rigid and organized D. Very active