DNA Study guides, Class notes & Summaries

IEB Life Sciences Notes Life at molecular, cellular and tissue level DNA: The Code of Life

most drugs produce their effects by...binding to protein molecules drug binding often leads to...conformational change in the protein Four primary drug targets are:1. ion channels 2. enzymes 3. carrier molecules 4. receptors *exception DNA on which a number of anti tumour and antimicrobial drugs act

Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Guérin (BCG) vaccination C. Can be used instead of purified ...

NLN Practice Test Science Pax Exam All 227 Questions with Answers 2023 An organism with chloroplast in its cell is probably a - CORRECT ANSWER autotroph autotrophs - CORRECT ANSWER are organisms that produce their own food from inorganic substances, plants are autotrophs heterotrophs - CORRECT ANSWER obtain their food by consuming plants or other animals. They are also referred to as consumers. Primary consumers may be herbivores herbivores - CORRECT ANSWER plant eaters ...

Practice Exam for BIOL 141 Exam 2 with 100% correct answers The semi-fluid matrix that surrounds organelles in a cell is called the - answercytoplasm A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with proteins into a membrane-bound structure called a - answerNucleus The organelle that can collect package modify and transport molecules is called the - answerGolgi Apparatus or body The evolutionary process that created chloroplasts and mitochond...

Which is required to generate cDNA A. DNA polymerase B. RNase H C. Restriction Enzyme D. Helicase : B What is the function of Taq Polymerase : recognize dsDNA You have a 50 μL primer stock at 9pM/μl and want dilute the stock to 900nM. How much stock should you add(what is the dilution factor) : 2 What gene causes hypersensitivity to Irinotecan? : UGT1A 2 | P a g e Which allele causes hypersensitivity to Carbamazepine? : HLA-b*1502 What gives MLPA its specificity : Stuffer Se...

ATI TEAS 7 Practice Questions and Answers with latest solutions 2023/2024 170+ questions and answers 1) Chemical bonding – a. Uses electrons that are closest to the nucleus of the atoms bonding b. Always uses electrons from only of the atoms involved c. Uses all the electrons in all atoms involved d. Uses the valence electrons of all the atoms involved 2) Which of the following would have the most dramatic effect in changing the reaction rate? a. Decreasing the temperature by two-...

NSCI 175 Exam One || Questions & Answers (100% Correct) NSCI 175 Exam One || Questions & Answers (100% Correct) Describe key breakthroughs in our understanding of the nervous system through history - ANSWER - 1930- central dogma (how DNA codes proteins) 1960- Seymour Benzor (behavior change and specific gene mutations Eric Kandel- learning has a molecular basis... aplysia neuronal tissue is studied 1980's : Numa's lab discovers voltage gated sodium channels 1990's- Sudof: calcium ion...

Hemophilia Pedigree - Father has hemophilia, mother does not. What is the outcome for their kids? - correct answersHis daughters would be carriers. This is x-link recessive. Autosomal: Dominant: - correct answersAutosomal: males and females equally affected. Dominant: non-carrier parents polymerase chain reaction (PCR) - correct answersThe process of copying DNA in the lab. Uses Template DNA, Nucleotides (dNTPS), DNA Polymerase, and DNA primers. 3 Steps of PCR - correct answers1....

What do all cells have in common? DNA, RNA, Proteins & Enzymes, Cell Membrane, ATP (energy) What do eukaryotes have that prokaryotes don't? nucleus, organelles, RNA processing what bacteria grows best below 20 degrees? psychrophiles what bacteria grows best between 20-50 degrees? mesophiles what bacteria grows best over 50 degrees? thermophiles and hyperthermophiles what is an example of an acidophile? helicobacter pylori: causes peptic ulcers, and if le...