Polypeptide backbone Study guides, Class notes & Summaries

UNE BIOCHEM 1005 WEEK 1 QUESTIONS WITH CORRECT ANSWERS. What are the four different protein structures? 1. Primary 2. Secondary 3. Tertiary 4. Quaternary What is the primary structure of a protein? a linear sequence of amino acids in polypeptide chains which is written from the amino terminus (N-terminus) to the carboxyl terminus (C-terminus) What is the secondary structure made of? a-helix, b-sheets, and bends, turns, or loops How are alpha helices formed? They are formed when the ...

AP Bio Genetics, RNA, and DNA Practice Exam 110 Questions with Verified Answers In his transformation experiments, what did Griffith observe? a. Mutant mice were resistant to bacterial infections. b. Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form. c. Mixing a heat-killed nonpathogenic strain of bacteria with a living pathogenic strain makes the pathogenic strain nonpathogenic. d. Infecti...

Biology Final Exam; Ivy Tech Community College Exam Questions With Verified Solutions Biology - answerThe study of life and living organisms The cell has to replicate its DNA - answerWhat must happen for mitosis to take place? exoskeleton - answerArthropods have a(n) ________ that has allowed them to inhabit almost every environment on Earth (HERDROAR) Homeostasis Energy Production Reproduction Development and Growth Response to stimuli Order Adaptation Regulation - answerCharacte...

Bio 315- Exam 1 Questions and Answers 100% Correct From the list below, select the one cellular structure or compartment that is not found in animal cells: A. Plasmodesmata B. Golgi apparatus C. Endoplasmic Reticulum D. Plasma membrane - Correct Answer ️️ -A The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: A. Presence of plasma membrane B. Presence of a nucleus C. Eukaryotic cells larger size D. Presence of DNA - Correct Answer ️️ -B No...

Which hypothesis was Louis Pasteur testing when he performed the Swan Neck Flask experiments? - ANSWER Microorganisms found on dust particles can contaminate sterile broth. Which of the following best represents the central dogma of biology - ANSWER DNA to RNA to protein. If a cell makes an error in replicating its chromosomes (DNA) and that mutation is passed down to its progeny (daughter cells), this is an example of ____________. - ANSWER vertical descent of genetic information. Orga...

AQA A-level Biology paper 1 Questions and Answers Graded A+ large molecules often contain carbon. why? they can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach. describe benedicts test for reducing sugars add equal volumes of the sugar sample and benedicts reagent. heat the mixture in a water bath for 5 minutes. brick red precipitate will form. what is a reducing sugar? a sugar that can reduce (give electrons to) another chemical. describe th...

WGU785 BIOCHEMISTRY FINAL EXAM QUESTIONS WITH ANSWERS LATEST UPDATE 2023/2024 Describe the process of neurodegenerative protein aggregation. Correct answer- Alzheimer's is the most common neurodegenerative disease. The formation of aggregated amyloid-beta fibers is another characterisitc of Alzheimer's. However, neurodegeneration and memory loss can be detected before amyloid fibers accumulate in the brain. What are the molecules that help denatured proteins with folding? Correct ...

APHY 101 Final Exam - Questions and Answers What are the characteristics of DNA? Double-stranded DNA molecules twist to form a double helix consisting of "sugar-phosphate rails" and bases pair to form the "rungs." What are the 4 types the DNA molecule base can be? (A) adenine (T) thymine (C) cytosine (G) guanine What are the complementary base pairs for DNA? A T C G Ribonucleic Acid (RNA) Single-stranded molecules, their nucleotides have ribose rather than deoxyribose sugar, and uracil rat...

The structure of a strand of DNA. - it is a double helix, like a twisted ladder. the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate backbone (made of deoxyribose and a phosphate group) What are the nucleotide subunits? - adenine, guanine, cytosine, and thymine How are the subunits held together? - through a hydrogen bond What are the nucleotide subunits compliments? - Adenine and thymine cytosine and guanine How does DNA replicate? - the parent s...

Biology Final Exam; Ivy Tech Community College Exam Questions With Verified Solutions Biology - answerThe study of life and living organisms The cell has to replicate its DNA - answerWhat must happen for mitosis to take place? exoskeleton - answerArthropods have a(n) ________ that has allowed them to inhabit almost every environment on Earth (HERDROAR) Homeostasis Energy Production Reproduction Development and Growth Response to stimuli Order Adaptation Regulation - answerCharacte...