Describe preimplantation genetic diagnosis and its limitations. Then comment on what restrictions, if any, should be placed on its use, and who should determine the restrictions. over 100 words

Pick one of the best answers below - thank you

The lineage leading to Homo sapiens diverged from the lineage leading to Pan troglodytes ________________ of years ago.

1. hundreds of millions

2. billions

3. thousands

4. millions

What is the difference between microevolution and macroevolution?

1. Microevolution is proven fact, and macroevolution is just a guess (a theory).

2. Microevolutionary processes are always faster than macroevolutionary processes.

3. Microevolution describes changes in allele frequencies within populations/species; macroevolution describes processes occurring above the species level.

4. Microevolution is about small changes, and macroevolution is about big changes.

What is the proper relationship between the terms “fact” and “theory”, as they are used in science?

1. Theories are guesses, but if they turn out to be correct, they become facts.

2. A hypothesis, after passing many tests against facts, becomes a theory.

3. Many facts, when added together, become a theory.

4. Theories provide systematic explanations of diverse classes of facts.

Assuming the model of Hardy-Weinberg Equilibrium, if the allele frequency of A is .6 and the allele frequency of a is .4, what are the expected genotype frequencies?

1. AA=.36, Aa=.48, aa=.16

2. AA=.60, Aa=.00, aa=.40

3. AA=.25, Aa=.50, aa=.25

4. AA=.16, Aa=.48, aa=.36

Which of the following is INCORRECT about the Urbilataria?

1. Urbilateria were probably small, bilaterally symmetrical wormlike creatures.

2. Urbilateria were the common ancestors of the three bilaterian clades.

3. Urbilateria were common in the Burgess Shale.

4. Urbilateria lived at least 560 million years ago in the Precambrian.

What are Ediacaran animals?

1. a group that includes the Cambrian Burgess Shale animals

2. a group of mainly soft-bodied animals that lived at the end of the Precambrian

3. Australian monotreme mammals

4. the group that includes starfish, sea urchins and sea cucumbers.

Phylogenetic analyses suggest that most Cambrian animals represent:

1. stem or crown groups of animal phyla.

2. Urbilateria.

3. extinct groups unrelated to living animals.

4. Precambrian relicts.

Which of the following is NOT one of the criteria for adaptive radiation?
Group of answer choices

1. monophyly

2. rapid speciation

3. contains at least hundreds of species

4. trait utility

Hagfishes and lampreys are the only living:

1. ostracoderms.

2. agnathans.

3. gnathostomes.

4. cephalochordates.

Using biotechnology: Molecular pharming, gene therapy, disease diagnosis

A boy falls off his bike and skins his knee. In thinking about the structure of the lower leg and specifically the knee, it quickly becomes apparent that the knee is a good example of a location in the body where many types of tissues work together to perform a function – in this case movement. Identify at least four different types of tissues that are present in the lower leg and knee area. You must include at least 3 of the 4 categories (i.e. connective, epithelial, nervous, muscle) of the tissues you select. For each tissue you identify include the following information: name of tissue tissue category function of that tissue in the lower leg and knee region

Briefly discuss the mechanisms of virulence acquisition.

1. There are three sets of assay data obtained from a set of standard solution in an ELISA experiment (triplicate assay). Use Excel to draw a calibration curve. Then do the following:

(a) Calculate the Lower Limit of Detection (LLOD)

(b) Calculate the Limit of Quantitation (LOQ)

(c) Calculate the Sensitivity of the assay

(d) If an unknown sample gives an assay reading of 1.35. Use the calibration curve to determine the concentration of this sample.

I am doing a project on cancerous cell types and I've already identified 20 kinds, the tissues they effect, and the exact disease they cause. There are multiple other steps to the project that I am struggling with. This involves finding biochemicals (such as lipids, proteins, etc) associated with specific cancer cell types, the metabolic pathways they effect, membrane proteins (such as growth factors) and membrane protein transporters associated with the cancer cell type.

Could someone give me an idea on what databases or websites to search for for this type of information? I don't want the work done for me, just some hints on how I can find this information. I will list the exact instructions our professor gave us below.

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Use your Human Cancerous Cells examples from Module I and find if they have some very characteristic biochemical(s) that define the cells.

Describe chemicals that are unique for these cells
Give at least 5 examples.

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Use your examples of human cancerous cells and find affected metabolic pathways that identify each of them.

Affected metabolic pathways
Find at least 5 examples from your cancerous cells that have affected metabolic pathways. These examples should have different affected pathways

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Use your examples of human cancerous cells and identify possible membrane components that are affected and unique for these type of cells.

Identify affected membrane functions
Give at least 5 examples from your cancerous cells showing affected membrane proteins. These examples should have different affected proteins.

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Use your examples of human cancerous cells and identify possible membrane protein transporters that are affected and unique for these type of cells.

Affected transporting proteins
Identify affected membrane protein transports
Give at least 5 examples from your cancerous cells showing affected membrane proteins that are involved in transportation. These examples should have different affected proteins.

The lab TA was recently putting away prepared tissue slides after lab last week, when she accidentally dropped the slide holder spilling all the slides. As she was picking them all up, she notices that the labels had come off of two of the slides. Based on the remaining slides, she figured out that one slide is from the intestine and the other slide is from the esophagus. Based on their location in the body, how could you figure out which slide is which? For each location provide the following information:

• The type of epithelium present.
• The function of the above identified epithelium in that location.

Conclusion about Monosaccharides, Disaccharides and Polysaccharides

Briefly discuss the role of the immune system in pathogenesis.

Explain various ways in which bacteria can attach to host cell surfaces.

Applying the Scientific Method to an Experimental Study---

Your friend claims that sunlight affects the temperature of water

^^ I need to develop an experiment to test this claim

What is the Null and alternative hypothesis ???

1. Identify the Independent variable for your experiment.

2. Identify the Dependent variable for your experiment.

3. List at least 3 variables that you would hold constant in your experiment.

4. Now design the experiment: Identify and use at least five of the following lab equipment pieces to design your experiment. Provide a brief description of the experiment. Include a description of the Control Treatment and the Experimental Treatment

What is DNA transformation, and how are competent cells involved in the process?

how dose NAOh affect planarian

Reverse electron transport makes unique ecological niches available to micro-organisms. Explain this statement.