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Cell Size and Scale

Explore the University of Utah's Cell Size and Scale website to fill in the information on the graphic organizer. Afterwards, view cells on the microscope slides at the back of the classroom. Document the similarities and differences between the cells and slides in a Google Doc.

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Some cells are visible to the unaided eye

The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that under the right conditions, you might be able to see an amoeba proteus, a human egg, and a paramecium without using magnification. A magnifying glass can help you to see them more clearly, but they will still look tiny.

Smaller cells are easily visible under a light microscope. It's even possible to make out structures within the cell, such as the nucleus, mitochondria and chloroplasts. Light microscopes use a system of lenses to magnify an image. The power of a light microscope is limited by the wavelength of visible light, which is about 500 nm. The most powerful light microscopes can resolve bacteria but not viruses.

To see anything smaller than 500 nm, you will need an electron microscope. Electron microscopes shoot a high-voltage beam of electrons onto or through an object, which deflects and absorbs some of the electrons. Resolution is still limited by the wavelength of the electron beam, but this wavelength is much smaller than that of visible light. The most powerful electron microscopes can resolve molecules and even individual atoms.

Adenine

The label on the nucleotide is not quite accurate. Adenine refers to a portion of the molecule, the nitrogenous base. It would be more accurate to label the nucleotide deoxyadenosine monophosphate, as it includes the sugar deoxyribose and a phosphate group in addition to the nitrogenous base. However, the more familiar "adenine" label makes it easier for people to recognize it as one of the building blocks of DNA.

How can an X chromosome be nearly as big as the head of the sperm cell?

No, this isn't a mistake. First, there's less DNA in a sperm cell than there is in a non-reproductive cell such as a skin cell. Second, the DNA in a sperm cell is super-condensed and compacted into a highly dense form. Third, the head of a sperm cell is almost all nucleus. Most of the cytoplasm has been squeezed out in order to make the sperm an efficient torpedo-like swimming machine.

The X chromosome is shown here in a condensed state, as it would appear in a cell that's going through mitosis. It has also been duplicated, so there are actually two identical copies stuck together at their middles. A human sperm cell contains just one copy each of 23 chromosomes.

A chromosome is made up of genetic material (one long piece of DNA) wrapped around structural support proteins (histones). Histones organize the DNA and keep it from getting tangled, much like thread wrapped around a spool. But they also add a lot of bulk. In a sperm cell, a specialized set of tiny support proteins (protamines) pack the DNA down to about one-sixth the volume of a mitotic chromosome.

Carbon

The size of the carbon atom is based on its van der Waals radius.

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The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that under the right conditions, you might be able to see an amoeba proteus, a human egg, and a paramecium without using magnification. A magnifying glass can help you to see them more clearly, but they will still look tiny.

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Take the Cell Scavenger Hunt Challenge!

Using the above document, follow the directions to find the cell organelles that correspond with a similar function in the school. Once at the location, use your personal devices to scan the QR Code for more information to crack the code.

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Make a simple song or write lyrics about animal and plant cells including their cell organelles and functions using the online platform, Songcraft.

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Songcraft is a creative platform for musicians. Write lyrics, chord progressions, and guitar tabs in our songwriter's pad. Become a master writer with the best songwriting tools - rhyming dictionary, voice recorder, and more. Make music online with our free songwriting tips.

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VP Online - Online Drawing Tool: Working in small groups, use the link to create a T-Chart for the similarities and differences of Animal and Plant cells. 

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https://online.visual-paradigm.com/app/diagrams/#diagram:proj=0&type=TChart&gallery=/repository/71d13e20-7258-4155-8b07-db5ab3b33ff8.xml&name=T%20Chart%20for%20Comparison

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VP Online is your all-in-one online drawing solution. Create professional flowcharts, UML diagrams, BPMN, ArchiMate, ER Diagrams, DFD, SWOT, Venn, org charts and mind map. Works cross-platforms: Mac, Windows, Linux. Sign-up for a FREE account today!

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What is a cell?

Imagine you are a plant or animal cell. Write an autobiography from your point of view in your day to day activities as a plant or animal cell. Remember to include your cell organelles and functions. Submit with Google Doc and share with the class.

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Create an animal cell coloring using the following link. Open the coloring page in Google Docs.

https://www.biologycorner.com/worksheets/cellcolor.html

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Using your knowledge of cell organelles and their functions, work through each challenge to unlock the code to complete the breakout rooms.

https://view.genial.ly/609bd6238dd0fc0d6910f1f8/interactive-content-cell-organelles-breakout

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Cell Organelles Breakout!

You are tasked with unlocking the code to complete the breakout room. Work through each challenge to find the code and solve the riddle. Good luck!

GO!

Index

Collect all the numbers by completing each of the challenges, and enter them in order in the final section to finish the game.

Introduction

Reward

01 Quiz

02 Find!

03 Correct image

04 Follow the series

INTRODUCTION

Use your knowledge of cell organelles and their structure and function to work through the following puzzles. When you have answered all questions correctly, you will receive a code to escape this breakout. Good luck and happy escaping!

start

QUIZ

Complete the following quiz, and getthe first number towards your reward!

QUIZ

question 1/5

Which of the following is NOT true about the cell membrane?

It provides protection for the cell.

It determines what does and does not enter the cell.

Only certain cells have a cell membrane.

next

RIGHT!

QUIZ

Explanation:All cells have a cell membrane, even prokaryotic cells!

question 2/5

What is a main function of the cytoplasm?

It surrounds and supports other organelles in the cell.

It stores the cell's DNA.

It synthesizes proteins for the cell.

QUIZ

NEXT

RIGHT!

QUIZ

Explanation:The cytoplasm is a jelly-like substance that organelles float in just like fruit in a jello cup!

QUESTION 3/5

Do all cells have a nucleus?

No, only eukaryotic cells have a nucleus.

Yes, all cells have a nucleus where DNA is contained.

QUIZ

NEXT

RIGHT!

QUIZ

Explanation:Remember: "Pro=No and Eu=Do". Only eukaryotic cells have a nucleus, including our own cells!

QUESTION 4/5

What is the function of the chloroplast?

It is where animal cells make their own food

It is where photosynthesis occurs (how plants make energy)

It is where cellular respiration occurs

QUIZ

NEXT

RIGHT!

QUIZ

Explanation:Chloroplasts are only found in plants and this is where they make glucose (their food source).

QUESTION 5/5

What is contained within the nucleus (only in eukaryotic cells)?

Glucose

DNA

Chlorophyll

QUIZ

NEXT

RIGHT!

QUIZ

Explanation:DNA is the genetic code for all living organisms and gives directions

Wrong!Try again to get the correct answer, and ask a friend or check your notes if you need help!

ERROR!

TRY AGAIN

QUIZ

FIND!

From among all the statements you discover,click only on the correct ones

START

CLICK ONLY ON THE CORRECT STATEMENT 1/3

You can drag the light to search through the darkness

Only eukaryotic cells have DNA

Plant cells do not have DNA

In eukaryotic cells, the DNA floats around in the cytoplasm

DNA can be found in both prokaryotic and eukaryotic cells

CLICK ONLY ON THE CORRECT STATEMENT 2/3

You can drag the light to search through the darkness

Prokaryotic cells have only mitochondria

Plant cells do not have mitochondria

Animal cells have neither chloroplast or mitochondria

Plant cells have chloroplast and mitochondria

Animal cells have chloroplast and mitochondria

RIGHT!

CLICK ONLY ON THE CORRECT STATEMENT 3/3

You can drag the light to search through the darkness

Animal cells do not have a vacuole.

The vacuole is where cellular respiration occurs.

Vacuoles are bigger in animal cells.

Vacuoles are bigger in plant cells.

The vacuole is where photosynthesis occurs.

RIGHT!

ERROR!

Wrong!That statement is incorrect. Try again!

TRY AGAIN

CORRECT IMAGE

Choose the correct image

start

Which image shows a cell membrane?

RIGHT!

Which image shows a chloroplast?

RIGHT!

Which image shows an animal cell?

RIGHT!

Which image shows a nucleus?

RIGHT!

Which image shows a cell wall?

ERROR!

TRY AGAIN

START

serieS

Choose the correct organelle being described

WHAT Organelles is being described?

Choose the correct organelle:

?

Support

Protection

Present in ALL cells

Lets things in and out

Nucleus

Chloroplast

Mitochondria

Cell Membrane

WHAT Organelles is being described?

Choose the correct organelle:

?

RIGHT!

Only in plant cells

Where photosynthesis occurs

Contains chlophyll

Glucose is made here

Chloroplast

Mitochondria

Vacuole

Cell Wall

WHAT Organelles is being described?

RIGHT!

Choose the correct organelle:

?

Mitochondria

The "battery" of the cell

Where cellular respiration occurs

Found in plant and animal cells

Energy is made here

Nucleus

Chloroplast

Cytoplasm

ERROR!

Wrong!Try again to figure out which organelle is being described!

ERROR!

TRY AGAIN

7

GREAT!

THE FIRST NUMBER IS:

BACK TO INDEX

0

GREAT!

THE SECOND NUMBER IS:

BACK TO INDEX

9

GREAT!

THE THIRD NUMBER IS:

BACK TO INDEX

2

GREAT!

THE FOURTH NUMBER IS:

BACK TO INDEX

ENTER THE SECRET CODE

Congratulations!

You made it through the breakout room! You have an amazing knowledge of cells and all of their organelles!

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Cell Organelles Breakout! You are tasked with unlocking the code to complete the breakout room. Work through each challenge to find the code and solve the riddle. Good luck! GO! Index Collect all the numbers by completing each of the challenges, and enter them in order in the final section to finish the game.

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Vocabulary practice using Quizlet to match the cell organelle with it's corresponding function. Click on the following link to access the Quizlet.
https://quizlet.com/30955191/cell-organelles-vocabulary-flash-cards/?i=2mnjqs&x=1jqY