Choose Among (and explain why when appropriate): (1)Nucleus, (2) RNA Polymerase, (3) Cytoplasm, (4) DNA, (5) Enzyme ,(6) Plasma Membrane, (7) Lysosome

-the molecular source of information for transcription?
-the main enzyme for making a polymer of RNA?
-location of transcription in a eukaryotic cell?
-location of transcription in a prokaryotic cell?
-location of translation in a eukaryotic cell?
-location of translation in a prokaryotic cell?

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23 Mar 2019

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Related questions

Please answer the following three essay questions.

All living cells, both prokaryotic and eukaryotic, have thefollowing cell structures: plasma membrane, cytosol, ribosomes, andat least one chromosome. Choose any one of these. Describe itsbasic structure (including molecular composition) as well as thefunction. Explain why a cell could not exist without thefunction(s) performed by this cell structure.
Cells can be categorized as either prokaryotic or eukaryotic.Only bacterial cells are prokaryotic. For question two, answer anyone of the following comparison questions. Be sure to compare bothmolecular (physical) structure and function in each answer.
1. Compare the nucleoid area (prokaryotic) to a nucleus(eukaryotic)? How do they differ; how are they similar?
2. Compare the bacterial flagellum (prokaryotic) to an animal cellflagellum (eukaryotic)? How do they differ; how are theysimilar?
3. Compare a bacterial cell wall (prokaryotic) to a plant cellwall (eukaryotic)? How do they differ; how are they similar?
Eukaryotic cells (in plants, animals, fungi, and algae) arebigger than prokaryotic (bacterial) cells. This bigger size allowseukaryotic cells to have more structural complexity.

Choose any one of the following eukaryotic cell structures for ashort essay:

Mitochondrion
Cytoskeleton
Golgi apparatus
Endoplasmic reticulum
Lysosome
Chloroplast (found only in photosynthetic cells)

In your answer, describe its basic structure (includingmolecular composition) as well as the function. Why is the functionimportant to keeping the cell alive?
Provide references in APA format. This includes a reference listand in-text citations for references used throughout theassignment.

cerisemanatee852

LAB MODULE: BASIC MICROSCOPY â STUDY HELP

The information in this document is helpful in preparing for the Basic Microscopy Pre-Lab Quiz on Canvas and the Basic Microscopy quiz on Late Nite Labs.

Instructions:

â¢ Go to your Late Nite Labs course site and click on the Basic Microscopy link. The lab manual content will appear on the right side of the screen.

â¢ PRINT and READ all of the information found in the Basic Microscopy lab manual.

â¢ Use the information to answer the following questions.

Questions

â¢ Fill in the remainder of the chart.

Objective Lens	Objective Magnification	Ocular Magnification	Total Magnification
Scanning	4X	10X	40X
Low Power	10X	10X
High Power	40X	10X
Oil Immersion	100X	10X

â¢ Do all organisms consist of more than one cell?

â¢ What is the structural and functional unit of living things? In other words, what is considered the basic building block of LIFE?

â¢ What three structures are found in the cells of ALL organisms, both prokaryotic and eukaryotic? You may have to look at the pictures of the cells in the Basic Microscopy lab manual content to find all three structures. Note: plasma membrane = cell membrane

â¢ List the major differences in prokaryotic cells and eukaryotic cells? Include the location of genetic material in a eukaryotic versus prokaryotic cell.

â¢ List the organelles found in a eukaryotic cell that are not found in a prokaryotic cell. You may have to look at the pictures of the cells in the Basic Microscopy lab manual content to find all of these.

â¢ In eukaryotic cells, genetic information is found in the form of DNA. Is this true for prokaryotic cells?

â¢ Are flagella and cell walls unique to eukaryotes? Why or why not?

â¢ The __________is the part of a cell that allows the movement of substances into and out of the cell and protects the cell from its environment.

â¢ The__________is a substance that contains all of the dissolved and suspended ions and other molecules needed to keep the cell alive.

â¢ A__________is an organelle that serves as the site of photosynthesis in a eukaryotic cell.

â¢ Some organisms have cells that contain a__________that gives the cell a more structured shape and strengthens the cell by osmotic pressure.

â¢ Describe dark field microscopy.

â¢ Describe phase contrast microscopy.

â¢ Why do scientists use dark field microscopy and phase contrast microscopy when studying prokaryotic cells?

â¢ How does phase contrast microscopy help scientists visualize difficult specimens?

â¢ Fill in the remainder of the chart. The organisms studied during this lab are: Amoeba, Spirogyra, cardiac muscle, and bacteria.

Structure	Function	Organisms Studied
Plasma Membrane		Amoeba, Spirogyra, cardiac muscle, and bacteria
Cytoplasm
Nucleus	Contains the genetic material of a eukaryotic cell
Chloroplast		Spirogyra
Cell wall

1. briefly describe the principles, advantages, and limitations of the light microscope, transmission electron microscope, and scanning electron microscope.
2. briefly explain why cell fractionation is a useful technique.
3. distinguish between prokaryotic and eukaryotic cells.
4. explain why there are both upper and lower limits to cell size.
5 describe the structure and function of the nuclear envelope, including the role of the pore complex.
6. briefly explain how the nucleus controls protein synthesis in the cytoplasm.
7. explain the role of the nucleolus in protein synthesis.
8. distinguish between free and bound ribosomes in terms of location and function.
9. list the components of the endomembrane system, and describe the structure and function of each component.