Biotechnology & its Applications Questions and Answers

3 Clones are made from 1 Point DNA in an adult organisms cell transplanted into an empty egg O an embryo O a gamete 4 Why are chickens being cloned 1 Point O to make meaty birds that lay lots of eggs O because chickens can no longer survive the environment without genetic modifications L

1 Explain how the Rwandan genocide was different from the Bosnian genocide

14 If scientists perfected the art of cloning how might it affect ecosystems around the world

8 AKS 8a Which of the following is a disadvantage of using GMO crops A GMOs can have added nutritional value to meet the needs of underdeveloped countries B Cross pollination of GMOs with weeds can lead to superweeds C GMOs reduce the need for pesticide use in the fields which leads to a decrease in chemicals being introduced to the environment D The use of GMOs can lead to profits for seed companies save farmers time and money and lower costs for consumers

1 Which characteristic of an epic hero do you find to be the most important Why English 2 According to the Old Testament how should we deal with poverty among us and what are believers church responsibility Use Old Testament Scripture to support your argument This post should be a MINIMUM of 3 full sentences Religion

Broke the Versailles Treaty by rearming the military How did the League of Nations respond to these aggressive actions a The organization did nothing b The organization forced them to return the land taken

O atomic number and thus number of neutrons as carbon 13 O number of protons but more neutrons than carbon 12 O atomic number and atomic mass as carbon 12 O atomic mass as both carbon 12 and carbon 13 Question 15 An atom has four electrons in its valence shell What types of covalent bonds is it capable of formin O ionic bonds only O single and double bonds O single bonds only O double bonds only

O community O population O biosystem O ecosystem Question 11 Which of these is an example of inductive reasoning O These organisms live in sunny regions Therefore they are using photosynthesis O If two species are members of the same genus they are more alike than each of them could be to a different genus O Hundreds of individuals of a species have been observed and all are photosynthetic therefore the species is photosynthetic 2

Which of the following is true for both aerobic and anaerobic cellular respiration A B C D oxidation of NADH to NAD reduction of FAD to FADH reduction of NAD to NADH oxidation of FADH2 to FAD

Some cancer cells release their own grown hormone rather than relying on growth hor mones from elsewhere in the host organism Which of the following describes the type of cell communication used by these cancer cells to promote their continued division A B C autocrine signaling juxtacrine signaling endocrine signaling

Lipid solubility is an important parameter that determines the predicted effectiveness of new pharmaceutical medications ahead of their release for public use Which of the following provides the best explanation for the relevance of lipid solubility in medications A B C High lipid solubility will allow the medication to more readily diffuse through the cell membrane Low lipid solubility will allow the medication to remain longer in the body increasing its effectiveness High lipid solubility will ensure the presence of energy storing lipid molecules to support the chemical functions of the medication D Low lipid solubility will facilitate more favorable interactions with enzymes in the body allowing the medication to act more quickly

Endothermic animals can maintain consistent temperature conditions by generating main taining and regulating their body heat Which of the following describes the most likely mechanism by which endothermic ani mals generate their body heat A B C D Enzymes that reduce the activation energy apply the energy difference toward heat production Lysosomes that normally digest nutrients and other intracellular material can be used to initiate apoptosis and thereby generate heat Catabolic reactions that provide usable chemical energy also produce heat Chloroplasts that normally produce glucose molecules instead produce heat energy when required

Which of the following describes a type of local cell signaling in which a cell secretes a sig naling molecule that affects neighboring cells A B C paracrine signaling autocrine signaling endocrine signaling

3 Plaques and tangles contain which of the following O Neurotransmitters Proteins O Minerals Pick bodies 4 How is Alzheimer s disease diagnosed definitively Mini mental exam Blood test Psychological examination Brain tissue examination 5 What is the most common cause of dementia Lewy body disease Multi infarct dementia Parkinson s disease Alzheimer s disease

Which of the statements below accurately describes the relationship between photosyn thesis and cellular respiration A The sun is the ultimate source of energy to power photosynthesis and the products of this process are the reactants of cellular respiration B C D The sun is the ultimate source of energy to power cellular respiration and the products of this process are the reactants of photosynthesis Photosynthesis and cellular respiration are related as both processes use energy from hydrothermal vents The source of energy to power photosynthesis and cellular respiration comes from en ergy reserves in the soil

C 2 What will be the pH of the solution when 100 mL of 0 01 M acetic acid is titrated with 25 ml of 0 02M NaOH solution CHCOOH Ka 1 8 10 a 2 45 b 4 74 c 6 65 d 8 27 e 9 00

What would happen if a lab student did not follow the proper aseptic techniques

3 You observe your slide to have all purple cocci and bacilli Explain what could have gone wrong

6 Some natural selection has nothing to do with predation Ability to survive in harsh climates is important too Pick the human trait that will survive best in a climate near the equator on Earth very hot and sunny Olight skin dark skin

What are the 6 general phases in the life cycle of animal virus and explain their functions

he microscope should always be carried by True False

Nylon was first made in 1935 Just 40 years later in 1975 a bacterium was discovered that is able to digest and live off not nylon itself but waste chemicals from its manufacture chemicals that had not existed before nylon production began It was later shown this bacterium now known as Arthrobacter KI72 has evolved several types of enzymes capable of utilising these waste products One type 6 aminohexanoic acid hydrolase encoded by genes called nylBs has become known popularly as nylonase Part A

What are the multiple choice questions for the January 2023 living environment regents exam

3 Should countries such as the United State South Africa and Palestine have opened their borders to all the survivors of concentration camps

CHW1 Experimental Inquiry What Can You Learn About the Process of Science from Investigating a Cricket s Chirp Part B Graphing experimental data There are many reports that the number of chirps per minute that a cricket produces is correlated with the ambient temperature Your class decides to test this hypothesis by collecting several males from two species of crickets the snowy tree cricket Oecanthus fulton and the common field cricket Gryllus pennsylvanicus In the laboratory you measure the chirp rate of each cricket at four different temperatures The data are shown in the table below Temperature 9 15 20 25 30 Average chirp rate chirps per minute Snowy tree cricket 8 108 117 128 Common field cricket 73 82 90 100 15 of 16 Plot the data for the two species of crickets one graph for the snowy tree cricket and a separate graph for the common field cricket To plot the data for each species click Add Element and then select the appropriate graph label View Available Hint s O

Imagine there are mutations that change several of the positively charged amino acids in the TATA binding protein shown in the video to non polar amino acids What would the most likely result be No change in binding affinity between the TATA binding protein and DNA Weaker binding of the TATA binding protein to DNA Stronger binding of the TATA binding protein to DNA

An experiment is performed on plants to see how different fertilizers affect plant growth Each plant in the experiment is given a different fertilizer Fast Grow Miracle X or Growit Each plant has the same amount of soil sunlight and listens to the same music In this investigation the hypothesis is Plants like Growit more than Miracle X and Fast Grow Fast Grow is better than Miracle X or Growit O Miracle X is better than Growit and Fast Grow Fast Grow increases plant height more than Miracle X or Growit

human heart is separated into left and right sides This type of structure provides for the A prevention of blood clots in the ventricles B circulation of blood in an open circulatory C D pumping of blood directly into the atria from the ventricles system separation of oxygenated blood from deoxygenated blood

The ultrasound and doppler principles are utilized in various mec O Detect fetal heartbeats Detect blood flow through arteries Detect brain waves A and B only

1 In this stage of meiosis homologous chromosomes separate and migrate towards opposite poles a Metaphase I b Anaphase I c Anaphase II d Telophase I

9 The protein complex that bridges between the enhancer and the core promoter is the A negotiator B transposase C DNA polymerase III D translocase E mediator

Dolly the sheep was cloned from an cell of an adult sheep The genetic information from that cell was placed in a de nuclearized empty of a third sheep cell of a second sheep The resulting embryo was then implanted in the

Plate tectonics explain continental warping isostatic rebound

1 Leading scientists called for a moratorium on research on human embryos using genome editing technologies such as CRISPR What sorts of ethical concerns does a moratorium address What do you think are the likely outcomes or consequences of a moratorium and of the technology

If you were going to design a peptide vaccine to (A) induce CTL's, or (B) induce antibodies from the following sequence, which regions would you choose? Assume you will test in H2-Db mice.

Which of the following statements is FALSE about xenobiotics? a) microorganisms lack the enzymes to process xenobiotics b) xenobiotics can be difficult for microorganisms to break down c) xenobiotics do not occur naturally in the environment d) polysaccharides such as starch and cellulose are xenobiotics

Concerning DNA testing for all adults: 1. Should all adults submit DNA samples for CODIS? 2. Should DNA test results be shared with employers? 3. Should DNA test results be shared with insurance companies? Answer each of the three questions with at least one complete sentence for each question.

Concerning genetically modified organisms (GMOs): 1. Is it ok to use genetic engineering to create plants or crops that are healthier, better tasting, or more attractive? 2. Should the FDA be required to test GMO foods? 3. Should GMO foods be required to have labels? Answer each of the three questions, using at least one complete sentence for each answer.

True or False: The two ways to create transgenic plants are biolistic transformation and gene splicing. A True B False

What is a fairly effective (and government mandated) way to prevent BT resistant insects from evolving to counter your corn crops which are genetically engineered to produce BT (an effective and non-toxic insecticide)? Tell them they better not! Set a part of your field where you grow a version of your crop which does not have the gene to produce BT. Raise a different crop, such as kale in the field next to your corn field. Introduce new crops each year which are genetically engineered to produce more BT than those crops of the prior year. Keep doing this every year.

You have learned what genetic engineering is, how it is done, and some of the products made from processes. What are your thoughts and opinions about what you have learned so far? Answer using complete sentences.

Why does DNA move towards the positive end of the current during electrophoresis? DNA is negatively charged due to the deoxyribose sugars in its nucleotides. DNA is positively charged due to the phosphate groups in its nucleotides. DNA is positively charged due to the deoxyribose sugars in its nucleotides. DNA is negatively charged due to the phosphate groups in its nucleotides.

What is the purpose of having the three positive controls in the PCR experiment? In order to determine the genotype of the positive controls. To make sure enough cheek cells were extracted at the beginning of the lab. For comparison in order to determine the genotype of the unknown sample. To be able to make sure the gel ran in the correct direction.

What is genome sequencing? A finding the precise sequencing of nucleotides in an organism's DNA B sequencing of technology C sequencing of a cancer cell D identification of genetic diseases

True or False: Biotechnology is modifying the building blocks of DNA. A True B False

.For what purpose would you adjust each of the following components during a microscopy exercise? Iris diaphragm: Coarse adjustment knob: Mechanical stage control: Fine adjustment knob:

Which of these foods is also an example of food produced by bacteria? Pickles made using bacteria secreting lactic acid Cakes because of the baking soda (NaHCO3) releasing CO2 Jam made by cooking fruits with sugar Yogurt made by adding hydrochloric acid to milk

Reverse transcriptase/RT-ase: makes DNA by using + RNA/mRNA as a template makes proteins by using mRNA as a template makes +RNA/mRNA using proteins as a template makes +RNA/mRNA by using minus (-) RNA as a template makes +RNA/mRNA by using DNA as a template

Who invented vaccines? Which type of vaccine was the first vaccine? Pasteur; LAV Jenner: LAV Flemming; Inactivated Killed Vaccine Jenner; subunit vaccine Koch; LAV

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, all cells die at one time. Cells becomemetabolically inactive, but are never killed.