Cell structure

  1. Dibuje una célula procariota bacteriana e identifique las siguientes estructuras: capsula, pared
celular, membrana celular, citoplasma, ribosomas, nucleoide, frimbrae, flagelo, plásmido y
pili sexual. (5 puntos)

2. Diga la función de las estructuras mencionadas en la pregunta anterior. (5 puntos)

3. Las bacterias se pueden clasificar según la composición de la pared celular en gram positivas
o gram negativas. Seleccione la contestación correcta para cada característica. Por ejemplo:
Capa de peptidoglucano, gruesa o fina. Usted elige si es gruesa o fina. (7 puntos)
Característica Gram Positiva Gram Negativa
a. Capa de peptidoglucano gruesa o fina gruesa o fina
b. Ácido teicoico presente o ausente presente o ausente
c. Membrana externa presente o ausente presente o ausente
d. Contenido de
lipopolisacáridos
no tiene o altas
concentraciones
no tiene o altas
concentraciones
e. Lípido y contenido
lipoproteína  
bajo o Alto bajo o Alto
f. Estructura flagelar 2 anillos o 4 anillos en el
cuerpo basal
2 anillos o 4 anillos en el
cuerpo basal
g. Toxina que produce Exotoxinas o endotoxinas
o ambos
Exotoxinas o endotoxinas
o ambos
h. Resistencia a disrupción
física
baja o alta baja o alta
i. Rompimiento de pared
celular con lisozimas  
baja o alta baja o alta
j. Susceptibilidad a penicilina y
sulfamida
baja o alta baja o alta
k. Inhibición por tintes básicos baja o alta baja o alta
l. Susceptibilidad a detergente
aniónicos
baja o alta baja o alta
m.  Resistencia a sodio azide baja o alta baja o alta
n. Resistencia al secado baja o alta baja o alta

4. Explique que le sucedería a una bacteria si se coloca en: (3 puntos)
a. Solución hipotónica
b. Solución isotónica
c. Solución isotónica  

5. Mencione tres diferencias entre una célula eucariótica con la procariota. (

Bio 204: Introducción a la microbiología Noemí Soto Nieves, Ph.D.

Tarea 2: Estructura celular (23 puntos)

1. Dibuje una célula procariota bacteriana e identifique las siguientes estructuras: capsula, pared

celular, membrana celular, citoplasma, ribosomas, nucleoide, frimbrae, flagelo, plásmido y

pili sexual. (5 puntos)

2. Diga la función de las estructuras mencionadas en la pregunta anterior. (5 puntos)

3. Las bacterias se pueden clasificar según la composición de la pared celular en gram positivas

o gram negativas. Seleccione la contestación correcta para cada característica. Por ejemplo:

Capa de peptidoglucano, gruesa o fina. Usted elige si es gruesa o fina. (7 puntos)

Característica Gram Positiva Gram Negativa

a. Capa de peptidoglucano gruesa o fina gruesa o fina

b. Ácido teicoico presente o ausente presente o ausente

c. Membrana externa presente o ausente presente o ausente

d. Contenido de

lipopolisacáridos

no tiene o altas

concentraciones

no tiene o altas
concentraciones

e. Lípido y contenido

lipoproteína

bajo o Alto bajo o Alto

f. Estructura flagelar

2 anillos o 4 anillos en el

cuerpo basal

2 anillos o 4 anillos en el
cuerpo basal

g. Toxina que produce

Exotoxinas o endotoxinas

o ambos

Exotoxinas o endotoxinas
o ambos

h. Resistencia a disrupción

física

baja o alta baja o alta

i. Rompimiento de pared

celular con lisozimas

baja o alta baja o alta

j. Susceptibilidad a penicilina y

sulfamida

baja o alta baja o alta

k. Inhibición por tintes básicos baja o alta baja o alta

l. Susceptibilidad a detergente

aniónicos

baja o alta baja o alta

m. Resistencia a sodio azide baja o alta baja o alta

n. Resistencia al secado baja o alta baja o alta

4. Explique que le sucedería a una bacteria si se coloca en: (3 puntos)

a. Solución hipotónica

b. Solución isotónica

c. Solución isotónica

5. Mencione tres diferencias entre una célula eucariótica con la procariota. (3 puntos)

Course Scholar
Calculate your paper price
Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional and Experienced Academic Writers

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.

Admissions

Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.

Reviews

Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.

Reviews

Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.