Cell bio exam 1 Study guides, Class notes & Summaries

Bio 102 exam 1 WVU Salihu Latest Update 100% Pass Prokaryote evolution of cells: 3.5 billion years ago Prokaryote size of the cell: small Prokaryote unicellular Prokaryote organelles: absent Prokaryote Location of genetic information: nucleoid region Prokaryote DNA Structure: circular (usually one chromosomes) Prokaryote Reproductive strategy: asexual Prokaryote oxygen requirement: anaerobic (doesn't require oxygen) Eukaryote evolution of first cell: 1.5 billion ye...

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 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...

BIO 102 EXAM 1 WVU THOMAS LATEST UPDATE GRADED A+ Evolution the change in genetic characteristics of a population over time, accounts for the diversity of organisms and the unity among them. True or False. All living things are composed of one or more cells? True LIST seven characteristics or capabilities that are shared by all living things metabolism DNA/RNA complex structure one or more cells reproduction homeostasis growth and development What is the functional unit of ...

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...

BIO 202 EXAM 1 WITH COMPLETE SOLUTIONSBIO 202 EXAM 1 WITH COMPLETE SOLUTIONSBIO 202 EXAM 1 WITH COMPLETE SOLUTIONSBIO 202 EXAM 1 WITH COMPLETE SOLUTIONSBIO 202 EXAM 1 WITH COMPLETE SOLUTIONS cell - ANSWER-smallest living unit organ - ANSWER-tissues that are grouped together what best accounts for total body water (TBW) content? - ANSWER-intracellular fluid and extracellular fluid homeostasis - ANSWER-process by which organisms maintain a relatively stable internal environment Negati...

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...

BIO 235 (Kovacs) Exam 1 Questions With Verified Answers how many chromosomes do most prokaryotes have? one how many copies of their chromosome(s) do prokaryotes have? one what organisms undergo binary fission? bacterial cells why do bacterial chromosomes get replicated before the cell divides? so each daughter cell receives one copy do eukaryotic or prokaryotic cells require more genetic information? eukaryotic what is required in order to pass complements of chrom...

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...