Biology Lab Assignments Essay

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Biology Lab Assignments Essay

Attached to the post will be 5 “Biology Lab Assignments.” You MUST conduct the small experiments and make sure all results/answers are noted. You will use the results and prior knowledge to complete each worksheet.

**REQUIREMENTS:                                        1.Must be typed directly into Microsoft Word Document

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2. Times New Roman (12 Font)

3. ABSOLUTELY NO PLAGIARISM !!

4. Make sure you answer every question & fill every result that the worksheets asks for

5 If you have to print out the worksheet , Make sure your handwriting is legible (scan it and upload it as a pdf when complete). Biology Lab Assignments Essay

Microscopic Examination of Cells

After reading the information, viewing the videos and completing the cell games complete the assignment below. Make sure to use complete sentences.

  1. Define field of view and describe how you can measure the diameter.

 

  1. Describe how to determine the total magnification.

 

  1. Predict which magnification should be used to observe:
  2. Cheek Cells –
  3. Onion Cells –
  4. Bacteria –

 

  1. In your own words, explain how you calculate the size of a real object as seen in the field of view.

 

  1. Describe four differences between prokaryotic and eukaryotic cells.
  2. Name three differences between plant and animal cells.
  3. State three postulates of the cell theory.
  4. Name three structures common to all
  5. Do all living plant cells contain chloroplasts?Biology Lab Assignments Essay

 

  1. In your own words summarize the process for preparing a wet mount slide for cheek epithelial cells.

 

  1. In your own words summarize the process for preparing a wet mount slide for onion cells.

 

  1. In your own words summarize the process for Gram staining:

 

  1. Describe how gram-positive and gram-negative bacteria appear under a microscope after the gram staining process.

 

 

For questions 14, 15, and 16neatly draw the cells on a separate piece of paper. Make sure you draw the different parts of the cell at the appropriate size (a ribosome should not be larger than the nucleus, etc.) Use colors and be creative. Take a picture with your phone, convert to a pdf, and upload along with your completed assignment.

  1. Draw your own animal cell and label the organelles/parts of the cell

 

  1. Draw your own plant cell and label the organelles/parts of the cell. Biology Lab Assignments Essay

 

  1. Draw your own prokaryotic cell and label the organelles/parts of the cell

 

  1. Describe the function of the the following:
    1. Cell Membrane-
    2. Nucleus-
    3. Mitochondria-
    4. Endoplasmic Reticulum-
    5. Golgi Apparatus-
    6. Ribosomes-
    7. Chloroplast-
  2. Examine the microscope diagram shown below. Label the components.

Lab 5Blood Groups and Classical Genetics

After reading the information, viewing the videos complete the assignment below. Make sure to use complete sentences.

  1. Define the terms below. Do not cut and paste! Use your own words so that you will understand better.

 

  1. Gene:

 

  1. Allele:

 

  1. Genotype:

 

  1. Phenotype:

 

  1. Dominant:

 

  1. Recessive:

 

  1. Homozygous:Biology Lab Assignments Essay

 

  1. Heterozygous:

 

  1. Complete the following table.

 

Genotype Phenotype Homozygous or Heterozygous
IAIA    
IBIB    
IAIB    
IOIO    
IBIO    
IAIO    

 

  1. Complete the table below by checking which trait you have.

(Refer to ‘Page 4 Observation of Your Own Genetic Inheritance’)

 

  Dominant Trait Recessive Trait
1 Able to roll tongue   Not able to roll tongue  
2 Free ear lobe   Attached ear lobes  
3 Widow’s peak hairline   Straight hairline  
4 Straight thumb   Curved thumb  
5 Mid-digit hair present   Mid-digit hair absent  
6 Left thumb over right   Right thumb over left  

 

 

  1. Out of the six genetic inheritance traits, how many are dominant for you? How many are recessive?

Dominant: _______

Recessive: _______

 

  1. Using a Punnett square, determine the possible genotypes, phenotypes, and ratios of offspring for the following individuals: Show your work!

 

Pete: blood type O

Jennifer: blood type AB. Biology Lab Assignments Essay

 

     
     
     

 

Possible genotypes of offspring: ­­ _________________________________

Genotypic Ratio: __________________

 

Possible phenotypes of offspring: _________________________________

Phenotypic Ratio: __________________

 

  1. Using a Punnett square, determine the possible genotypes, phenotypes, and ratios of offspring for the following individuals: Show your work!

 

John: blood type A (heterozygous)

Linda: blood type B (heterozygous)

 

     
     
     

 

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Possible genotypes of offspring: ­­ _________________________________

Genotypic Ratio: __________________

 

Possible phenotypes of offspring: _________________________________

Phenotypic Ratio: __________________

 

  1. Using a Punnett square, determine the possible genotypes, phenotypes, and ratios of offspring for the following individuals: Show your work!

 

Michael: Brown eyes (homozygous)

Karen: Brown eyes (heterozygous). Biology Lab Assignments Essay

 

     
     
     

 

 

Possible genotypes of offspring: ­­ _________________________________

Genotypic Ratio: __________________

 

Possible phenotypes of offspring: _________________________________

Phenotypic Ratio: __________________

 

  1. Using a Punnett square, determine the possible genotypes, phenotypes, and ratios of offspring for the following individuals: Show your work!

 

Donovan: Brown eyes (homozygous)

Shay: blue eyes

 

     
     
     

 

 

Possible genotypes of offspring: ­­ _________________________________

Genotypic Ratio: __________________

 

Possible phenotypes of offspring: _________________________________

Phenotypic Ratio: __________________

 

Lab 6 Introduction to Chemical Control Assignment

After reading the information and watching the videos on Diabetes complete the following questions. Remember to use complete sentences where necessary.

  1. Discuss how Type 1 Diabetes and Type 2 Diabetes are similar and how they are different (3-4 sentences). DO NOT cut and paste – use your own words.Biology Lab Assignments Essay

 

  1. According to the video Diabetes and the body what are some of the symptoms of diabetes?

 

  1. What organ produces insulin?

 

  1. Is there an optimal level of glucose in the body? If there is, what is the range?

 

In today’s exercise, we will investigate the relationship between the pancreas, insulin and carbohydrates.  We will investigate the change in blood sugar levels associated with the ingestion of a candy bar. In addition, other experimental data is given for your review and hopefully will provide you with insight and understanding of blood sugar values.

 

  1. Using the graph below, determine the subjects’ pretest (0 hour) blood glucose values and record them in the chart which you will find after the graph.
  2. The subjects have been given large candy bars which were ingested quickly (less than 2 minutes).
  3. The subjects’ blood glucose levels were tested again at 1, 2, 3, 4, 5, and 6 hours after they ate their candy bars. Record each subjects’ numbers.
  4. Complete the related questions following the chart to aid in your understanding of the exercise. Biology Lab Assignments Essay

 

  1. Fill in the chart by looking at the graph above:
Time (hrs) LaTonya Susan Derrick Aisha Michael
0          
1          
2          
3          
4          
5          
6          

 

 

  1. Explain their results. Which ones are normal, hypoglycemic, mildly diabetic, severely diabetic, or other?

 

 

  1. Which of the above individuals exhibit levels above normal?

 

 

  1. Which of the above individuals exhibit levels below normal?

 

 

  1. Were all the pre-ingestion results normal? Who, if anyone, was not normal and why?

 

 

  1. Did each person’s blood sugar rise immediately after they ate the candy? Explain what we saw happen.

 

 

  1. Had each person’s level begun to drop by the end of the exercise? Why or why not?

 

 

  1. Were all the student subject responses within normal parameters? Why or why not?

 

 

  1. Complete the following chart:Biology Lab Assignments Essay

 

Hormone Production Site Effects
Adrenalin (Epinephrine)    
Glucagon    
Glucocorticoids    
Insulin    
Somatotrophic Hormone    
Thyroxin    
  1. What do the hormones in the above chart have in common?

 

  1. Prepare a short story (1-2 paragraphs) which will outline the relationship of the following: aerobic respiration, blood, food, glucocorticoids, glucose, glycogen, homeostasis, hormone, liver, pancreas, small intestine. Make sure to use all 11 words and underline each one. Use your own words for this story.

Biology Lab Assignments Essay

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