Biology question and answers for October 22, 2023
- Q Reverse transcriptase/RT-ase:makes DNA by using + RNA/mRNA as a templatemakes proteins by using mRNA as a templatemakes +RNA/mRNA using proteins as a templatemakes +RNA/mRNA by using minus (-) RNA as...
- Q Who invented vaccines? Which type of vaccine was the first vaccine?Pasteur; LAVJenner: LAVFlemming; Inactivated Killed VaccineJenner; subunit vaccineKoch; LAV
- Q Which is correct regarding the rate of microbial death?Cells die atincreasingly greater rates.Only older cellsdie in a culture.Cells in aculture die at a constant rate.Upon contact with the control agent,...
- Q Bacteriophages are a type of virus that infects bacteria. Scientists have started to use these bacteriophages to move genetic information from one bacterium to another. Which characteristic of a virus...
- Q Which experiment would most likely contain experimental bias?A A lab performs a test by giving bacterial colonies the same amount of different antibiotics and growing them under the sameconditions.B.A chemistry...
- Q Explain how the field of science can attract many different types of people with varying interests. Consider the following:People who prefer to work alone or people who enjoy working with...
- Q What type of information is most likely carried on a plasmid?A) antibiotic resistance genesB) genes needed for celullar respiration and the production of ATPC) genes needed for making ribosomesD) all...
- Q Fluorescent in situ hybridization (FISH) probes are applied to intact cells and observed microscopically for the presence and location ofSelect one:a. DNA.b. RNA.c. proteins.d. recombinant DNA.e. a specific genetic marker...
- Q Which of the following is NOT a setting that you would want to return your microscope to before you put it away?a) condenser all the way downb) stage all the...
- Q Which of the following is NOT involved in the standard treatment of wastewater or sewage?a) chlorinationb) filtrationc) boilingd) settlinge) aerobic microbial decomposition
- Q What is the medical importance of bacteria transferring plasmids to another bacteri cell?Causes genetic diversification of the chromosome of the bacteriaGive new genetic information to the donor cellcan give genetic...
- Q Arrange the steps of the Gram staining procedure in the correct order.Add mordant, Gram's iodine, to slide.Heat fix slide over a Bunsen burner.Add secondary stain, safranin, to slide.Prepare a smear...
- Q 11. Mr. Big just died, leaving a large inheritance to Mrs. Big ands his daughter. Two men have stepped forward claiming to be his illegitimate heir. Considering the DNA evidence...
- Q Some anti-bacterial soaps (bar and liquid soaps) use_as the active anti-bacterial ingredient.Olow concentration bleachtriclosanquaternary ammonium compoundsphenolMr. Clean
- Q What is the downside of using triclosan in Personal Care Products? (choose all that apply)a. Triclosan might increase the resistance of bacteria to other anti-bacterial treatments or controlsb. Triclosan in...
- Q Businesses in a pure competition market put the most money towards advertising costs, as a means of differentiating their product from theircompetitors.TrueFalse
- Q Counting the lines between a delta and the center (core) of the fingerprint is called a:Ridge countCore measurmentBifurcationLine count
- Q Choose the hypothesis for the controlled experiment that answers the question: "Will a feather or a ball fall faster in a vacuum (absence of airA vacuum is not necessary to...
- Q A nutrient medium that has all of its chemical components identified and their precise concentrations known and reproducible is termed.Select one:a. complexb. reducingc. enrichedd. defined
- Q When a gene has an error or mutation, it can cause what in a person?A. diseaseB. deathC. deterioration
- Q A drug is any type of that has an effect on the body. A. bacteria B. chemical C. fungi
- Q Techniques to improve contrast in microscopy include (select all that apply):dark-field microscopyObright-field microscopyusing an ocular lensusing oil for the lensnegative stainingusing a less powerful objective lensusing electrons instead of light...
- Q You are participating in an activity which involves running from Baltimore City Community College campus to Coppin State University campus AND back. Your leg muscles are getting the energy for...
- Q Draw the structure of a coenzyme that facilitate acyl group activation and explain(with structure) how it facilitate the process.
- Q The investigational new drug application (IND) containsinformation about how the company will test the vaccine in humansinformation about the vaccine's safety and ability to produce an immune response in animalsinformation...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!