Mcb exam 1 Study guides, Class notes & Summaries

MCB Exam 1 Questions & Answers 2023/2024 A unifying principle - ANSWER-What does genetics provide biology with? Bacteria and Archaea - ANSWER-What are 2 prokaryotes? Neither - ANSWER-Are viruses are not prokaryotic or eukaryotic? 1.) Interphase 2.) Mitosis - ANSWER-What are the two main phases of the cell cycle? Cell growth - ANSWER-What happens G1 Non-dividing phase - ANSWER-What is G0 - Can DNA replicate - It corrects the proteins present - ANSWER-What is the point of ...

MCB EXAM 1 QUESTIONS & ANSWERS 2023/2024 How large is our genome? - ANSWER-3200 million bp How many base pairs does the genome contain? - ANSWER-3 × 10^9 base pairs. How long is the genome when fully extended? - ANSWER-20,000 phone books long What is Chromatin? - ANSWER-the fibrous complex of eukaryotic DNA and histone proteins. Which are the main Histones? - ANSWER-H1, H2A, H2B, H3, and H4. What's the charge (polarity) of Histones? - ANSWER-Positive What amino acid resi...

MCB EXAM 1 QUESTIONS & ANSWERS 2023/2024 How large is our genome? - ANSWER-3200 million bp How many base pairs does the genome contain? - ANSWER-3 × 10^9 base pairs. How long is the genome when fully extended? - ANSWER-20,000 phone books long What is Chromatin? - ANSWER-the fibrous complex of eukaryotic DNA and histone proteins. Which are the main Histones? - ANSWER-H1, H2A, H2B, H3, and H4. What's the charge (polarity) of Histones? - ANSWER-Positive What amino acid resi...

MCB Exam 1 Questions & Answers 2023/2024 Microbiology - ANSWER--the branch of biology that studies microbes Microbiology distinguishing characteristics - ANSWER-1. The size of the organisms studied 2. The techniques used to study them Cellular organisms - ANSWER--made up of cells -fungi, protists, bacteria, and archaea Acellular organisms - ANSWER--not made of cells -viruses, viroids, satellites, and prions Virus - ANSWER--protein and nucleic acids Viroid - ANSWER--RNA on...

MCB Exam 1 Questions & Answers 2023/2024 Cell Theory - ANSWER-1. All living creatures are made of one or more cells. 2. The cell is the structural unit of life. 3. On the earth today, cells only arise from division of pre-existing cells. 4. Earlier versions of Cell Theory thought that living cells could arise from non-living material. Differences between prokaryotic and eukaryotic - ANSWER-a. Eukaryotes have membrane-bound organelles; prokaryotes do not. b. Prokaryotes have relativel...

Define cell, microbe and list hallmarks of cell. What is the status of Prions, virions, and viruses? - Cell: fundamental unit of life. Cell membrane, genetic material, self replication, regulation, similar macromolecules, energy use. Microbe: organism that cannot be seen without a microscope. Prions, viruses, virions are acellular and nonliving. List effects of microbes on ecosystem. List extreme conditions at which microbes can thrive. - Earliest photosynthetic organisms, dramaticall...

MCB Exam 1 Questions & Answers 2023/2024 Sugar - ANSWER-Group of organic compounds containing C, H and O. Sugars are hydrophilic. Examples: Glucose, fructose are monosaccharides, Sucrose is a disaccharide. Cellulose and Starch are polymers of glucose Lipids - ANSWER-Hydrophobic, composed of C, H and some O. Example: triglyceride, 3 FA attached to a glycerol molecule. Can be saturated (have no double bonds), monounsaturated (1 double bond) or polyunsaturated (more than 1 double bond) P...

How large is our genome? - Answer-3200 million bp How many base pairs does the genome contain? - Answer-3 × 10^9 base pairs. How long is the genome when fully extended? - Answer-20,000 phone books long What is Chromatin? - Answer-the fibrous complex of eukaryotic DNA and histone proteins. Which are the main Histones? - Answer-H1, H2A, H2B, H3, and H4. What's the charge (polarity) of Histones? - Answer-Positive What amino acid residues are responsible for that net charge? - An...

MCB Exam 1 Review Questions & Answers 2023/2024 1. Highly condensed chromatin that is transcriptionally inactive is called - ANSWER-Heterochromatin 1. If you were to make a synthetic form of DNA in which the phosphate group is substituted by a chemical group exhibiting a net positive charge, the resulting synthetic DNA" - ANSWER-Would likely not be packaged by histones The major structural proteins in human chromatin are known as - ANSWER-histones The main function of the centrome...