Category: Science Homework Help

I need support with this Biology question so I can learn better.

Adrenergic Receptors/Beta Blockers

• Just answer each question
• Be concise & thorough. 3 pages maximum
• Really try to understand what’s going on
• Use your own words to explain that you understand, define terms as necessary

Please, follow the instructions below as presented

. Instructions for this Assignment:

• Your answers must be TYPED – not hand written. Edit your paper – it should not have misspellings. It should make grammatical sense.
• Answer the questions asked in the space below each question – this is NOT an essay or term paper. The space available is not fixed, adjust as necessary.
• The final product should not be more than 3 pages. 3 pages MAX.. This should require you to be succinct in your answers.
• Do NOT copy selections from texts, sites, et al. Use your own words and show me you know what you are talking about. If you use clinical terms that you do not know – define them. Plagiarism will be noticed and result in a zero on this assignment. There is software to check exactly this.
• Aside from Question #2 – where a well-organized table can suffice – Do NOT just provide lists. While a simple list can prove helpful they rarely provide explanations & descriptions
• These are real world drug & issues that you may likely have to deal with in your career and/or home life – treat them as such. Show some effort to truly understand and explain what’s going on with drugs such as this.

I have PHYSICS FOR ENGINEERS AND SCIENTISTS II class. 4/28 (11:20 am – 1:00 pm, Pacific Daylight Time) I will have a practice exam. I need that you will able at this time. The topics that the practice exam covers are Capacitance, Dielectrics,
Electric Energy Storage; Electric
Currents
and Resistance; DC Circuits.

The example of the assignment

The Science of Muscle Growth. How does muscle grow?
Format your paper like this:
1. The Physiology Of Muscle Growth
2. Mechanisms That Make Muscles Grow
3. Mechanisms That Make Muscles Grow

4. why Muscles Need Rest To Grow

5. Why Rapid Muscle Growth Is Unlikely

6. Conclusion

I’m trying to learn for my Chemistry class and I’m stuck. Can you help?

After Greg LeMond won his first Tour de France, he was shot in the back during a hunting trip. This accident seemed to trigger a downfall of his health, even though he went on to win two more Tour de France races, due to a ripple in the electron transport chain and mitochondria. Explain this concept of the electron transport ripple and whether or not the gun shot led to LeMond’s ultimate diagnosis of “Mitochondrial Myopathy.”

I’m working on a geology question and need an explanation and answer to help me learn.

Please make sure to find the answers from Chapter 6 and 7, I attached the two chapters below, thanksv

1- (5) How much warmer was the planet 65 million years ago?

2- (10) What caused the temperature to change?

3- (5) How much warmer was the surface air temperature in the Arctic that it was in the 1981-2010 period?

4- (10) What are the two methods used for determining ocean temperature changes? Explain how they show temperature changes.

5- (15) Describe the three hypotheses for cooling during the past 50 million years.

6- (10) How do we know about sea level, temperatures, and climate or the past?

7- (10) What are the limiting CO2 contents for glaciation on Greenland and Antarctica?

8- (40) Explain delta O18 and how it reveals past ice and ocean temperatures.

I’m working on a geology question and need an explanation and answer to help me learn.

Please make sure to find the answers from Chapter 6 and 7, I attached the two chapters below, thanksv

1- (5) How much warmer was the planet 65 million years ago?

2- (10) What caused the temperature to change?

3- (5) How much warmer was the surface air temperature in the Arctic that it was in the 1981-2010 period?

4- (10) What are the two methods used for determining ocean temperature changes? Explain how they show temperature changes.

5- (15) Describe the three hypotheses for cooling during the past 50 million years.

6- (10) How do we know about sea level, temperatures, and climate or the past?

7- (10) What are the limiting CO2 contents for glaciation on Greenland and Antarctica?

8- (40) Explain delta O18 and how it reveals past ice and ocean temperatures.

Bio 1111 Principles of Bio Lab Report

Below are two examples of how scientists use the Scientific Method to conduct research.

Read & Complete the following report form by answering the questions in Part A & B.

Part A. “The Strange Case of BeriBeri”

In 1887 a strange nerve disease attacked the people in the Dutch East Indies. The disease was beriberi. Symptoms of the disease included weakness and loss of appetite, victims often died of heart failure. Scientists thought the disease might be caused by bacteria. They injected chickens with bacteria from the blood of patients with beriberi. The injected chickens became sick. However, so did a group of chickens that were not injected with bacteria.

One of the scientists, Dr. Eijkman, noticed something. Before the experiment, all the chickens had eaten whole-grain rice, but during the experiment, the chickens were fed polished rice. Dr. Eijkman researched this interesting case. He found that polished rice lacked thiamine, a vitamin necessary for good health.

Answer the questions and follow instructions below to submit form for Part A.

1. State the Problem.
2. What was the hypothesis? Include any background information that related to the formation of this hypothesis.
3. How was the hypothesis tested? Include any methods or materials that the scientist used in the experiment.
4. Should the hypothesis be supported or rejected based on the experiment? Include the results of the experiment and any discussion you feel that is relevant to support or deny the hypothesis.
5. Conclusion: What should be the new hypothesis?

Part B: “How Penicillin Was Discovered”

In 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. He noticed that a mold called Penicillium was also growing in some of the dishes. A clear area existed around the mold because all the bacteria that had grown in this area had died. In the culture dishes without the mold, no clear areas were present.

Fleming hypothesized that the mold must be producing a chemical that killed the bacteria. He decided to isolate this substance and test it to see if it would kill bacteria. Fleming transferred the mold to a nutrient broth solution. This solution contained all the materials the mold needed to grow. After the mold grew, he removed it from the nutrient broth. Fleming then added the nutrient broth in which the mold had grown to a culture of bacteria. He observed that the bacteria died.

Answer the questions and follow instructions below to submit form for Part B.

1. Identify the problem.
2. What was Fleming’s hypothesis? Include any background information that related to the formation of this hypothesis.
3. How was the hypothesis tested? Include any methods or materials that the scientist used in the experiment.
4. Should the hypothesis be supported or rejected based on the experiment? Include the results of the experiment and any discussion you feel that is relevant to support or deny the hypothesis.
5. Conclusion: What should be the new hypothesis? (This experiment leads to the development of what major medical advancement?)

• File Upload
• Text Entry
• Google Doc
• Studio
• Dropbox
• Goo

1. Utilize the vast journal database in our campus library ( https://library.jcsu.edu/find (Links to an external site.)).

2. Your assignment will be to:

             a. Identify the article using APA format.

             b. Create a summary of the research (problem/occurrence, hypothesis, methodology, 

                  results).

            c. Identify how the article will relate to your proposed senior research topic.

Research Tip: Download .PDF copies of your articles and highlight and create notes pertinent to your research paper. This method will save time for your semester project and final senior research paper.

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Not Everything You Read Is True!

Background: In this activity, we will explore the process of science, concepts behind the macromolecules, and cellular function.

Case Study: Tiffani’s sister Amanda is getting married in 2 months. When Tiffani ordered her bridesmaid’s dress 8 months ago, she claimed she was going to go to the gym and start working out and eating right. So, she ordered a dress that was 2 sizes smaller than she currently wore. Amanda told her that it was a bad idea and that it was much easier to take in a dress that is too large than to let out one that is too small.

Over the next 8 months, Tiffani got busy with work and life and didn’t end up exercising or going to the gym. When she got stuck at home in March, she gained a little weight because she wasn’t walking around as much as she did during her normal work days. Amanda and Tiffani went into the bridal shop for their dress fittings. Surprise, surprise… Tiffani’s dress is WAY too small.

Tiffani: Oh geez! How am I going to fit into this dress in 2 months? It’s too late to order another one.

Amanda: Well, I told you it was a bad idea to get a dress that was already too small. You should have listened to me.

Tiffani: One of the people I follow on Instagram has been promoting this new weight-loss supplement called Noilednad. Apparently, the influencer says you can lose 25lbs in 3 weeks if you take 4 tablets a day. Supposedly, it shrinks your cell walls and makes your body’s chloroplasts grow to produce more energy.

Amanda: Um… I had Professor Kendall for Biology and Society a few years ago and based on what I learned in class, that doesn’t seem quite right.

Tiffani: Oh, I’m sure it is. This influencer posts this stuff all the time. She’s super skinny. It must work. Here’s the ad! (Opens Instagram and finds the post)

Influencer on Instagram Post: Wow! I’m so excited. I tried this new #weightloss product called Noilednad. It uses the amazing chemicals found in the Taraxacum officinale flower to help you lose a ton of weight. My friend took 4 tablets a day. She lost 25lbs in 3 weeks! It’s amazing. The @Noilednad company tells me that it works by stimulating your body’s metabolism and helping you burn those pesky phospholipids found in your cells. It can also shrink your cell walls. Who doesn’t want to shrink their stubborn cell walls? I know I do. Additionally, Noilednad is clinically proven to increase chloroplast number to produce more energy. Everyone needs more energy to get through these crazy times! I’m promoting a healthy lifestyle by offering you 15% off your first purchase. Just click the link in my bio. #ThanksNoilednad #ad

1. Why is this ad tempting to Tiffani? What elements make the ad believable?

2. Why is Amanda skeptical about this ad? What claims are made that are obviously incorrect given what you know about cells?

Experimental Design: For this section, you will be using the materials you learned in the first chapters to debunk the statements made in the ad.

3. What question should be asked in an experimental design to test the effectiveness of Noilednad as a weight loss supplement?

4. In experimental design, we need to have controlled variables that are the same across all of the test subjects. Why is this particularly important in a weight loss study?

5. List at least 5 variables that a scientist would need to control in this sort of experiment.

6. The influencer states that her friend took 4 tablets a day and lost weight. This is what we call “anecdotal evidence” and does not rely on a properly designed experiment with a control group, an experimental group, and a large number of test subjects in both groups. Why do we need a control group? Why do we need a large number of test subjects?

7. After the researchers collect and analyze data, they will submit the publication to go through the peer review process. List 3 reasons why this is important.

8. What is the placebo effect and how might it affect the results? If you are unfamiliar with the term, you may look it up online.

9. Why do you think some people turn away from evidence-based medicine and scientific experts with regards to weight loss?

Dietary Supplements and Their Claims: Do you take any dietary supplements? Although many are harmless, they are not regulated by the Food and Drug Administration (FDA) in the same way as our drugs and vaccines. Supplements are not subjected to the same evaluation process as medications that often takes months or years to determine the safety and effectiveness of these items. Just because something is “natural” does not mean it is safe or healthy.

Read the following article on Dietary Supplements from the Federal Trade Commission: https://www.consumer.ftc.gov/articles/0261-dietary-supplements

You may have heard the expression “Money Talks.” Even people with degrees in science can be swayed by financial incentives to share false information. In 2014, Dr. Oz was brought before Congress for using his television show to promote Pure Green Coffee Beans as a weight loss supplement. https://www.usatoday.com/story/life/people/2014/06/17/dr-oz-senate-panel-weight-scams/10701067/

10. Pick one of the following dietary supplements. Explain what the company claims it does and how it works.

• Ephedra
• Stimulant laxatives (FitTea, etc.)
• L-Tryptophan
• Serovital
• Raspberry Ketones
• Prevagen
• Nugenix
• Alkaline water

11. What information did you find that supports the advertising claim?

12. What information did you find that makes the advertising claim questionable?

13. Based on the information you found, do you think the product you selected does what it says it does? Why might the FDA have concerns about this product?