Bio 120 - Study guides, Class notes & Summaries

Exam 3: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: How are genes coordinately controlled in eukaryotic cells? Coordinately controlled genes in eukaryotic cells share a set of control elements. Coordinately controlled genes in eukaryotic cells are activated by the same chemical signals. Coordinately controlled genes in eukaryotic cells are located together on the same chromosome. Answer: Coordinately controlled...

are antibiotics effective against viral infections? - NO briefly describe eukaryotic cells - -contain nucleus (prokaryotes do not) -contain organelles -selectively permeable cell membrane briefly describe molds - -produce cytoplasmic filaments called hyphae/mycelia -reproduce by spore formation on aerial hyphae briefly describe T. Cruzi - 2 phases: 1. Acute (swelling of eye, cold/flu-like symptoms) 2. Chronic Chagas disease (cardiomyopathy, neurological disorders, etc.) briefly describe...

Exam 4: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: what makes a specific locus homozygous? Answer: if both homologous chromosomes carry the same allele at a given gene locus (also called true-breeding) Q: what makes a specific locus heterozygous? Answer: if 2 homologous chromosomes carry different alleles at a given gene locus (also called hybrid) Q: what is the punnett square method? Answer:...

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 120 Skeletal System QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED How many bones are in the body? 206 bones axial skeleton long axis (skull, vertebral column, rib cage) appendicular skeleton bones of the shoulder, pelvis, and upper and lower extremities What is the purpose of the axial skeleton? Protection of internal organs; supports and carries other body parts What is the purpose of the appendicular skeleton? Involved in locomotion and manipulation of the environment...

Exam 3: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: how do different alleles occur Answer: through mutation Q: what 3 things contribute to genetic variation Answer: crossing over, independent assortment, random fertilization Q: when does independent assortment occur? Answer: metaphase I of meiosis Q: random fertilization Answer: any sperm can fertilize any egg Q: the ...

Exam 1: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: T/F: A compound has characteristics different from those of its elements Answer: True Q: An element's properties depend on the structure of its ______. Answer: Atom Q: An ____________ is the smallest unit of matter that still retains the properties of an element. Answer: Atom Q: Atoms can be broken down into smaller particles like ____...

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...

Bio 120 Chapter 1 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED Biologythe scientific study of life Evolutionprocess of change over time~ change in gene frequency overtime... measured in generations What are the 5 unifying themes of biology?organization, information, energy and matter, interactions, evolution Theme: Organization-Living things are organized all living things share certain characteristics -Both living and nonliving things are ultimately composed of atom...

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...