Bio molecules grade Study guides, Class notes & Summaries

Exam 2: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: what is active transport? Answer: work must me done; must use supplied energy; employs carrier molecule Q: for which transport processes are carrier molecules involved? Answer: facilitated diffusion and active transport Q: which transport processes require the input of additional energy? Answer: active transport Q: what is a semi...

Micro Bio 120 Final Exam 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED True or False: The plasma membrane and most other membranes are composed of a lipid bi-layer in which integral proteins are buried. True True or False: Procaryotic cells are usually smaller than eucaryotic cells. True True or False: Most procaryotes have strong cell walls that give them shape. True The significance of the plasma membrane is that: A) It selectively allows some molecules to pass int...

Exam 2: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: transport proteins allow passage of hydrophilic substances across the membrane Q: carrier proteins Answer: bind to molecules and change shape to shuttle them across the membrane Q: passive transport Answer: the diffusion of a substance across a membrane with no energy investment Q: Diffusuion Answer: Spreading out of partic...

Final Exam: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: Where does the most energy production occur in cellular respiration? Answer: Oxidative phosphorylation Q: What are the properties of a proton compared to neutrons and electrons? Answer: Heavy, positive Q: Which molecules can cross the membrane the easiest? Answer: Nonpolar, small Q: Which isomer has a carbon-carbon double bond? ...

Exam 1: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: Nucleolus: nonmembranous structure involved in production of ribosomes; a nucleus has one or more nucleoli Q: Chromatin Answer: material consisting of DNA and proteins; visible in a dividing cell as individual condensed chromosomes Q: cell wall Answer: outer layer that maintains cell's shape and protects cell from mechanical damage; ma...

Final Exam: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: ligand: Signal molecule that binds to the receptor Q: three main types of membrane receptors Answer: -G protein-coupled receptors -Receptor tyrosine kinases -Ion channel receptors Q: G protein-coupled receptors (GPCRs) Answer: cell-surface transmembrane receptors that work with the help of a G protein Q: Receptor Tyrosine Kina...

Bio 107 Midterm Final Exam Review 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED What does DNA stand for? Deoxyribonucleic acid In what way is artificial selection different from natural selection? In artificial selection, human preference is the selecting force; in natural selection, environmental conditions are the selecting forces. Which of the following is what scientists mean when they use the term theory? A set of findings that are supported by repeated testing. W...

BIO 120 - CMB 155 Chapters 1-5 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED What is a macromolecule? molecules made from smaller joining subunits What are the building blocks of macromolecules? monomers How are macromolecules synthesized (made)? dehydration synthesis Dehydration Synthesis A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule. How are macromolecules/polymers broken down? Hydrolysis Hydrolysis Brea...

STRAIGHTERLINE BIO 101 - INTRO TO BIOLOGY EXAM 2024 QUESTIONS AND DETAILED ANSWERS| A+ GRADE Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life? Correct Answer Living things have levels of hierarchical organization. Nutrient molecules are used to build cellular structures or for energy. This best represents which characteristic of life? Correct Answer Living things acquire materials and energy from the environment. The smalle...

Biology 230 Exam #3 Questions and Answers Grade A+ What are the three core concepts of biology that we have used to frame our studies together so far? - ️️ structure and function, information flow, transformation of energy into matter How would you explain to a fellow student what "Transformations of Energy and Matter" is about? - ️️ energy can not be created nor destroyed but rather converted Why do you think it is important enough to be considered a core concept? - ️️ How...