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BioChem C785 - Module 1 - All Exam Questions and Answers 100% Solved | Rated A+ DNA replication is semiconservative, which allows each of the 2 strands to serve as a template for the new strands - true Recall that the DNA polymerase must bind a double-stranded polymer before it can start making its own DNA polymer. What helps the DNA polymerase to overcome this problem in DNA replication? - RNA primers Several components of cigarette smoke, including benzopyrene, insert themselv...

Bio/Ensci 251 Final Exam Practice Problems Q&A 100% Solved The abundance of O2 led to the evolution of... a) anaerobic eukaryotes b) aerobic eukaryotes c) anaerobic prokaryotes d) aerobic prokaryotes e) both b and d - - Both b and d Evidence indicates that all life of Earth today... a) has a single common ancestor b) requires oxygen for life c) is able to extract energy from the sun d) evolved from ancestors containing genetic material in the form of proteins

Bio-251 Final Exam Questions and Answers 100% Solved | Graded A+ 1) Actin is one of the most evolutionarily conserved proteins. What does this tell you about the structure and function of this protein in eukaryotic cells? - Evolutionarily conserved-hasn't undergone much change since existence of eukaryotes. Tells us that this protein is vital for cellular function. Tells us it can do a variety of functions in cells. Its so conserved because it is very important for cells. Multifu...

BIO AC U5 Test (For Final) Exam Questions and Answers 100% Solved (T1) What is a gene? - A segment of DNA that produces a protein thus determining a trait (T1) What is a chromosome? - A condensed or compact "rod" of DNA that carries genetic information (T1) What is DNA? - helical molecule that carries the genetic information of an organism and is passed from parent to offspring. (T1) What is a genome? - All the DNA in one cell of an organism (T1) What is a nucleus? - The contr...

BIO 251: EXAM 3 Questions and Answers 100% Solved | Rated A+ Cardiac output is determined by what two variables? A) stroke volume and ejection fraction B) heart rate and ejection fraction C) end-diastolic volume and end-systolic volume D) heart rate and stroke volume E) preload and afterload - D Regulation of the heart (or any organ or tissue) by neural input, circulating hormones, or any other factor originating from outside the organ is referred to as ________ control. A) intri...

BIO 340 Final Complete Exam Questions and Answers 100% Correct Detailed Answers | Already Graded A+ Central Dogma of Biology - DNA -> RNA -> Protein mRNA is synthesized in the __________ direction - 5' to 3' Alleles - Alternate forms of a gene Homozygous - Having two identical alleles for a particular gene Heterozygous - Having two different alleles for a trait Phenotype - Observable traits of an organism Genotype - Genetic makeup of an organism Population - A group of in...

BIO 340 Final Actual Exam Questions with Verified Detailed Answers | 100% Guaranteed Pass!! What type of bonds are formed between complementary DNA bases? - Hydrogen Bonds Which of the following forms the backbone of a polynucleotide chain? - alternating sugar and phosphate groups Guanine and adenine are purines found in DNA - true What fraction of the nucleotides in a doubles-stranded DNA molecule are cytosine and thymine? - 50% What is one difference between DNA replication in bact...

Bio 340 Exam 1 Study Guide Questions with 100% Correct Answers | Latest Update Mitosis and Meiosis II - In which nuclear division process do sister chromatids segregate? chiasmata - At metaphase I, homologous chromosomes are connected only at what structure? Pairing of homologous chromosomes - Which of the following is unique to prophase I of meiosis? 16 - If a muscle cell of a typical organism has 32 chromosome, how many chromosomes will be in a gamete of that same organism? fo...

BIO 251: Final Exam Questions and Answers 100% Solved | Rated A+ Thick filament - Primarily myosin A bands ________ reflects ___________ - Function; structure Homeostasis - involve continuous monitoring and regulation of all factors that can change Acids - proton donors, release H+ Bases - proton acceptors, release OHAcidic (0-7) - a substance with more H+ molecules would fall on what side of the pH scale Basic (7-14) - a substance with less H+ molecules would fall on what side o...

Bio 251 Week 4 Exam Questions and Answers 100% Solved | Graded A+ Histology - study of tissues 4 major tissue types - epithelial, connective, muscle, nervous expcrine glands and their modes of secretion - Merocrine-(released through exocytosis in vessels) Ex: sweat glands and salivary Apocrine- (secretions released in apical cytoplasm) Ex: mammary glands, ceruminous wax in ears Holocene- secretions via loss of entire cell Ex: oil glands Four types of membranes - mucous, serous, cutan...