Cell bio exam 3 Study guides, Class notes & Summaries

Bio 151 Exam 3 - UW-Madison Question with answers (VERIFIED)Nervous system a network of interconnected nerve cells Neurons basic functional units of the nervous system Homeostasis the ability of animals, organs, and cells to actively regulate and maintain a stable internal state What are the three types of nerve cells? sensory neurons, interneurons, motor neurons Sensory neurons send and receive information about an animal's environment or it internal physiologi...

BIO 115 Final Exam Study Guide with Complete Solutions 12 Principles of Biology Cells are the simplest unit of life Cell theory: (1) all organisms are composed of cells (2) Cells are smallest unit of life (3) new cells come from pre-existing cells Living organisms use energy (E) process called respiration metabolism: breakdown of cellular molecules Living organisms interact with their environment example: plants grow towards light source Living organisms maintain homeostasis maint...

BIO 207 exam 1 umich questions & answers 2023/2024 What is a microorganism (microbe)? - ANSWER--microscopic unicellular organisms -not just bacterial -exist in all 3 domains (eukaryotic, bacteria, archaea) -viruses also considered microbes eukaryotes - ANSWER--moist or aquatic environments -protista -contain membrane-bound organelles -DNA enclosed in a membrane-bound nucleus -cells are generally larger and more complex -18S rRNA Prokaryotes - ANSWER--no nucleus -diverse envir...

BIO 101 Exam 3 Salihu WVU with Certified Answers chromatin material chromosomes are made of; consists of RNA, DNA, and protein sister chromatids replicated chromosomes that are identical homologues maternal and paternal copies of a chromosome centromere region of contact after replication located near the middle of two strands spindle fibers fibers that extend from one side of the cell to the other that pull the sister chromatids in anaphase of mitosis cytokinesis stage fol...

WSU Bio 102 Final Exam Questions and Answers Already Passed How does BPA cause cancer? it disrupts meiosis and mitosis causing breast and prostate cancer. 3 and 7 plastics may contain BPA What is a genetic fingerprint? how do you make one? -Genetic Fingerprint: DNA uses the differences in base sequences to identify individuals. -DNA fingerprinting involves 3 tools: 1. PCR to get large amounts of DNA 2. Restriction digest with blunt ends to fragment the DNA with precision 3. Gel...

WVU Bio 101 Exam 3 Salihu Questions and Answers Already Passed In a eukaryotic cell, where does DNA replication occur? nucleus base mutation do not alter reading frame base insertions or deletions alter reading frame, typically more disasterous than base mutation when do mutations occur? may be spontaneous or may be caused by environmental factors called mutagens do daughter cells have the same number of chromosomes as the parent cell? yes how many daughter cells are creat...

BIO 101 Exam 2 WVU Salihu with Complete Solutions pH scale Acidic: 0-6.9 Neutral: 7 Basic (alkaline): 7.1-14 acidity amount of hydrogen ions in a solution (called pH) acids vs. bases ions acids- more H+ bases- more OH- macromolecules sequence of simple molecules; all composed of C, H, and O types of macromolecules carbohydrates, proteins, lipids, and nucleic acid elements in DNA contains the same elements as other macromolecules, except it has N and P monomers of compl...

UCI Bio 93 Final Exam Questions and Answers Already Passed What are the four most common elements in living matter? Hydrogen, Oxygen, Nitrogen, and Carbon --make up 96% of all living matter. Properties of Acids Donate H+ to a solution, accept electrons, and have a pH of <7 What happens in the S phase of the cell cycle? DNA Synthesis What happens in the G1 phase of the cell cycle? Growth -- cell contents are duplicated. What happens in the G2 phase of the cell cycle? More gr...

BIO 201- Midterm Exam Study Guide With Correct Answers. anatomy - ANS - study of the structure/morphology of the human body and its parts physiology - ANS - study of the functions of the human body and its parts List the levels of organization from simplest to most complex. - ANS - subatomic particles atom molecule macro-molecule organelle cell tissue organ organ system organism cell - ANS - -composed of organelles -the basic units of structure and function of the body tissu...

BIO 101 NVCC EXAM 3 ACTUAL EXAM QUESTIONS WITH ANSWER VERIFIED Eukaryotic chromatin is composed of - ANSWER DNA and proteins What is produced if a cell completes mitosis but does not undergo cytokinesis? - ANSWER one cell with two nuclei, each identical to the nucleus of the parent cell Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of skin cells produced by mitosis will have - ANSWER twice as much DNA as the nuclei of gametes produced by meiosis Compar...