If he had been here‚ he would have been glad to see you. In the first example‚ the use of the Simple Past Subjunctive were and the Simple conjugation with would indicates that the condition expressed in the clause If I were rich is false or improbable. In the second example‚ the use of the Past Perfect Subjunctive had been‚ and the Perfect conjugation with would‚ indicates that the condition expressed in the clause If he had been here is false. 2. Formation of the subjunctive The English
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The Relation of Antiseptics and Bacteria Growth Purpose: To explore the effectiveness of different levels of concentration of antiseptic and antibacterial products’ prevention of bacterial growth. Question: Amongst common household products‚ which antiseptic and level of concentration is more effective at inhibiting the growth of bacteria? Introduction: Antiseptics are antimicrobial substances used on living tissue to reduce the possibility of infection‚ putrefaction or sepsis. The word “anti”
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chap 17: 1) Which of the following variations on translation would be most disadvantageous for a cell? A) translating polypeptides directly from DNA B) using fewer kinds of tRNA C) having only one stop codon D) lengthening the half-life of mRNA E) having a second codon (besides AUG) as a start codon a 5) A particular triplet of bases in the template strand of DNA is 5’ AGT 3’. The corresponding codon for the mRNA transcribed is A) 3’ UCA 5’. B) 3’ UGA 5’. C) 5’ TCA 3’. D) 3’ ACU 5’. E) either UCA
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from eubacteria‚ possessing unique ancient evolutionary history for which they are considered some of the oldest species of organisms on Earth. The Bacteria Domain consists of: being prokaryotic‚ consisting of prokaryotic in their membranes and bacterial rRNA‚ and no nuclear membrane. The Archaea Eukarya Domain consists of: being eukaryotic‚ and having a nuclear membrane. In a five-kingdom system‚ living organisms are subdivided into five major kingdoms‚ including the Monera‚ the Protista‚ the
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Chapter 5 – Short answer a) Phosphorylation - the addition of phosphate to a chemical compound b) What are the 3 mechanisms of phosphorylation used by organisms? • Substrate level phosphorylation – ATP is generated when a high-energy phosphate is directly transferred from a phosphorylated compound (substrate) to ADP • Oxidative phosphorylation – electrons are transferred from a group of organic compounds to a group of electron carriers (NAD+ and FAD); occurs in inner mitochondrial
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changes in DNA of microorganisms‚ called conjugation‚ which produces resistance to multiple existing drugs. • Super-infection is a type of resistance caused when normal flora are killed by use of an antibiotic‚ thus favoring the emergence of a new infection that is difficult to eliminate. • Selection of antimicrobial medications is based on FOUR MAJOR multiple factors (to be discussed later). Several major examples of Anti-infectives includes‚ anti-bacterials (or antibiotics)- able to slow down
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major gains in life expectancy. These gains are now seriously by jeopardized another recent development which is the emergence and spread of microbes that are resistant to cheap and effective first-choice‚ or "first-line" drugs. The bacterial infections which contribute most to human disease are also those in which emerging and microbial resistance is most evident like diarrheal diseases‚
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acids and DNA is made of four nucleotides. D) Only A and C are correct. E) A‚ B‚ and C are correct. Topic: Concept 16.1 Skill: Comprehension 2) In his transformation experiments‚ Griffith observed that 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
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BIO UNIT 1 STUDY NOTES History of Classification Aristotle (384-322 BC) -greek philosopher -classified living things in 2 kingdoms (ANIMALS AND PLANTS) -Plants = herbs‚ shrubs & trees -Animals= those of sea‚ air and land -lasted 2000 years Theophrastus (372-287 BC) - “Father of Botany” - 2 botanical works Andrea Cesalpino (1519-1603) - Italian physician - created 1st new system of classifying plants - classified plants on the basis of the structure of their fruits and seeds John Ray
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A microorganism (from the Greek: μικρός‚ mikros‚ "small" and ὀργανισμός‚ organismós‚ "organism") is a microscopic organism‚ which may be a single cell[1] or multicellular organism. The study of microorganisms is called microbiology‚ a subject that began with Antonie van Leeuwenhoek’s discovery of microorganisms in 1675‚ using a microscope of his own design. Microorganisms are very diverse and include all the bacteria and archaea and almost all the protozoa. They also include some members of the
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