Nucleolus - Study guides, Revision notes & Summaries

Penn Foster Biology: The Cell Questions and Answers 100% Pass What is the function of the cell wall in plant cells? To provide structural support and protection. Which cell organelle is involved in lipid synthesis? Smooth endoplasmic reticulum. What is the primary role of the nucleolus within the nucleus? To produce ribosomal RNA (rRNA) and assemble ribosomes. Which organelle is responsible for the breakdown of fatty acids? Peroxisomes. What is the main function of chlo...

Chapter 01: Cellular Biology MULTIPLE CHOICE 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucleus; thus, the nucleus should be observed. A single circular chromosome ca...

In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. Correct Answer-nucleoid A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus. Correct Answer-the nucleus. In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuclear envelope. C) nu...

Midterm Exam: APHY101/ APHY 101 (Latest 2024/ 2025 Update) | Qs & As| Grade A| 100% Correct (Verified Answers) - Ivy Tech Q: Endoplasmic reticulum is best described as a Answer: network of interconnected membranes. Q: Which organelle contains the nucleolus? Answer: nucleus Q: The type of organic molecule that can replicate is a Answer: nucleic acid Q: A patient's blood test shows that their blood pH is 7.29. They are most likely experiencing An...

MULTIPLE CHOICE 1. Which statement best describes the cellular function of metabolic absorption? a. Cells can produce proteins. c. Cells can take in and use nutrients. b. Cells can secrete digestive enzymes. d. Cells can synthesize fats. ANS: C In metabolic absorption, all cells take in and use nutrients and other substances from their surroundings. The remaining options are not inclusive in their descriptions of cellular metabolic absorption. PTS: 1 REF: Page 2 2. Most of a cell’s ge...

Apoptosis ~:- A programmed cell death that is regulated or programmed. Cellular selfdestruction for elimination or unwanted cell populations Necrosis ~:- Rapid loss of the plasma membrane structure, organelle swelling, mitochondria dysfunction What is the #1 cause of cellular injury leading to necrosis (especially the kidney and heart) ~:- hypoxia What is the #1 cause of hypoxia? ~:- ischemia Main component of a cell 1 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | Septe...

BIO 353 Study Guide Exam 1 Questions And Answers 2024/2025 Tests The cell ANS The basic unit of structure and function in living things What are the major Organelles/ structures of a basic eukaryotic cell? ANS nucleus nucleolus ribosomes smooth ER rough ER mitochondria What are the 3 major disciplines involved with studying biology? ANS bioimaging biochemistry mol. biology/genetics What is light microscopy? ANS visible light passes through a series of lenses to produce a mag...

What is the main component of the cell and what does it contain? - The nucleus; it contains the nucleolus What is the nucleolus composed of(4)? - RNA, Most of the cellular DNA, DNA-binding proteins, & histones What do histones do and why are they important? - They regulate DNA activity. -Histones bind to DNA and fold it into chromosomes for cell division. -DNA chain in eukaryotic cells are extensive so risk of breakage is high What are ribosomes? - RNA-protein complexes (nucleoproteins)...

USABO semi-final part A&B Questions and Answers 100% Correct. 1) The recent SARS virus is a: a) Lentivirus b) Coronavirus c) Egtved virus d) Baculovirus e) Retrovirus 2) Which of the following cell organelles is typically identified by its sedimentation coefficient? a) Golgi apparatus b) Mitochondria c) Nucleus d) Nucleolus e) Ribosome 3) Timber companies plant trees right after clear-cutting. Which of the following ecological and/or evolutionary processes would, in principle, take...

Penn Foster Animal Anatomy and Physiology 1: Lesson 1 Questions and Answers Already Passed What is the function of the nucleolus within the nucleus? To produce ribosomal RNA and assemble ribosomes. Which cell structure is responsible for the synthesis of lipids and detoxification of drugs? Smooth endoplasmic reticulum What is the main function of cilia on the surface of certain cells? To move fluids or particles across the cell surface. What term describes the movement ...