Ribosomes Study guides, Revision notes & Summaries

Which energy-producing process is thought to have come first during cellular evolution? correct answers Glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it correct answers maintained these molecules as a unit capable of reproduction and evolution. Mitochondria and chloroplasts resemble bacteria in that they correct answers have their own DNA, have their own ribosomes, reproduce by simple division into two. Which of...

2 Answer all questions in the spaces provided. 0 1 . 1 Which statement about the function of ribosomes is correct? Tick ( ) one box. [1 mark] Site of transcription, catalyse the joining of amino acids by hydrolysis reactions Site of transcription, catalyse the joining of nucleotides by condensation reactions Site of translation, catalyse the joining of amino acids by condensation reactions Site of translation, catalyse the joining of nucleotides by hydrolysis reactions 0 1 ....

Part of the cell cycle when DNA replicates Answer interphase Phase of mitosis when the nuclear envelope starts to disappear and chromatin condenses into highly visible chromosomes Answer prophases Atoms that lose electron tend to become Answer positively charged The first folding of linear amino acid sequence (e.g alpha helix and beta sheet) are types of protein Answer secondary structure The major components of the cell membrane Answer phospholipids and proteins Ribosomes are bes...

Biological Psychology, 13th Edition, James W. Kalat Test Bank Chapter 01 1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells. a. True b. False ANSWER: False 2. Neurons receive information and transmit it to other cells. a. True b. False ANSWER: True 3. Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of individual cells. a. True b. False ANSWER: True 4. An efferent axon carries information away from a str...

Understanding Pathophysiology 7th Edition Test Bank Chapter 1. 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...

2 Chapter 1 The Foundations of Biochemistry Chapter 1 The Foundations of Biochemistry Multiple Choice Questions 1. Cellular foundations Pages: 2–4 Difficulty: 1 Ans: C In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. 2. Cellular foundations Page: 3 Difficulty: 1 Ans: E A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma m...

Portage Learning: Microbiology Final Exam Set Already Passed Microbiology is the study of what? Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. What is the smallest biological unit of life? A cell What is a macromolecule? A macromolecule is classified as a complex molecule that is composed from smaller subunits. What are the four main types of macromolecules? Proteins, nucleic acids, lipids and carbohydrates What various functions do protein...

2022 HESI A2 BIOLOGY V2 1. Which of the following statements is true if a molecule has adhesion? A. Two molecules of the same substance have the ability to stay bonded to one another B. The molecule has the ability to bond to or attract other molecules B. A molecule has the ability to increase its heat when necessary C. The molecule has the ability to form hydrogen bonds 2. Which of the following statements is most accurate regarding the transcription of DNA? A. RNA uses reverse transcr...

Biological Psychology, 13th Edition, James W. Kalat Test Bank Chapter 01 1. Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells. a. True b. False ANSWER: False 2. Neurons receive information and transmit it to other cells. a. True b. False ANSWER: True 3. Santiago Ramón y Cajal used special staining techniques to reveal that the brain is composed of individual cells. a. True b. False ANSWER: True 4. An efferent axon carries information away from a str...

The root word in a medical term usually indicates - Answer-the foundation of a medical term; carries the term's meaning Prefix in a medical term usually indicates - Answer-Condition, Color, Number, Positions Suffix in a medical term usually indicates - Answer-Condition, Procedures, Disease -phasia - Answer-speech -phagia - Answer-swallowing, eating Cardi- - Answer-heart Hepat- - Answer-liver nephr- - Answer-kidney Neur- - Answer-Nerves psych- - Answer-mind thorac- - Answer-chest, tho...