Upper-Year Courses

12 years ago

Respiratory volumes

Predictions
1. During exercise:
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2. During exercise:
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3. During exercise:
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4. During exercise:
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5. During exercise:
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Materials and Methods
1. Dep

Dreamalive 919 2 Replies

vaa_nessa

3 years ago

Is it possible to extract hormones from plants? If so, what equipment is needed?

Hey, I am new to this forum, so I don't know if anyone can answer this question, but is it possible to do what I described above? I was just wondering because I had this experiment in mind and would like to implement it if it is feasible.

Edwin96 946 4 Replies

Edwin96

9 years ago

Lab Logs

Hello everyone Slight Smile

I need to write a laboratory log. This is the first time I do this and I do not even know what it is or how we're supposed to write it. Could anyone please help Frowning Face

and if possible show a sample?

Thank yo

ehd123 1038 7 Replies

10 years ago

experiments in silico????

What is meant by in silico?

ehd123 499 1 Reply

10 years ago

Help with Raoult's law

Could anyone please help me with the attached question?

ehd123 881 3 Replies

10 years ago

Rotifers

Hello everyone Slight Smile

How could we use Rotifers in aquaculture? What are their potentials in the aquaculture field and approximately how much do they return in their revenues for an aquaculturing investing company? And how long would they nee

ehd123 720 5 Replies

10 years ago

apoptotic cell identification

Hello everyone,

What assays can we use to detect apoptosis in cells?
I know of the annexin 5 caspase assay. But what other methods are available?
Does trypan blue help identify dead cells? What about flow cytometry?

ehd123 784 3 Replies

9 years ago

What are CFU assays?

What are CFU assays and what are they used for?

Thank you =)

ehd123 1164 6 Replies

ehd123

9 years ago

How to separate bacteria from eukariotic grinded tissue in liquid medium?

I have a liquid medium which contains a grinded eukariotic tissue and the bacteria that I want to separate from it in order to perform a DNA extraction. As the tissue particles are quite small, I can't remove them manually.

How can I

elsoja 1177 8 Replies

MorgsMidae

10 years ago

Physioex 28B (Activities 1-7)

Does anyone have the answers to Phyioex 28b, Activities 1- 7. Have tried to conduct the experiments but time is too limited to complete all before online test today.

Thank you!!

envinsite 1674 1 Reply

12 years ago

Physioex 8.0 Cat version Endrocrine system ex 28B

Need some help with Activity 1 - specifically to confirm which rat had highest met rate and why they differed.

envinsite 1191 1 Reply

12 years ago

PhysioEx 18B Solutions

Hey there, does anyone have the solutions to PhysioEx 18B Neurophysiology of Nerve Impulses? I've done the questions but I wanna check them over before I hand it in so I can make sure I do well on it. It's from the A&P lab manual. Thank

ErikIsAHuman 2589 N/A

ErikIsAHuman

13 years ago

super resolution microscopy

what is the super resolution microscopy equation for resolution? pleases help.

fareh 535 1 Reply

zoeksyrianos

10 years ago

NAD/NADH assays

Hi, I just finished a lot of NAD/NADH assays with several variations, like variation of substrate concentration, variation of enzyme concentration, and also variation of substrate. This is where I got stuck. I ran the assay and my alcohol

fatima2005 1379 4 Replies

fatima2005

11 years ago

how to interpret this temperature vs product graph

Below is a copy of the graph they completed for that assay. Without anything other than the graph in front of you, provide two reasonable explanations for what you see. Be concise.

Our class did an experiment in which we observ

fighter1 1003 3 Replies

9 years ago

How do you explain the digestion in Gel Electrophoresis?

I need to do an essay for a lab and i wasnt there.

firas kilani 403 1 Reply

buffzyzz

11 years ago

Whats the difference between southern blotting analysis and Electrophoresis?

Do they give different results?

flowe12 544 1 Reply

florrye

11 years ago

what would cause the different migration rate between each wells in agarose gel electrophoresis?

I have been having this trouble. DNA sample travels at different rates between different wells but I know they have the same size. The wells toward the middle of the gel always travel slower and the bands across the gel look like a rainbow shape. It

flowe12 1460 N/A

flowe12

11 years ago

Molecular biology of the cell study guides

Does anyone know where i could find study guides to Molecular biology of the cell by alberts, et al?

forsheyc1 2366 N/A

forsheyc1

12 years ago

Why do you pour the ethanol SLOWLY in DNA extraction experiment?

I am talking about the standard DNA isolation experiment from kiwis and onions.Protocol goes something like this (general and conceptual version follows)

1) Chop the kiwi/onion up finely and add it to a solution of NaCl and detergent

Gardenia 2144 1 Reply

9 years ago

Ok I need some in sight

We are doing Western blots in lab and I have a protein with MW of 80,000 but I am having a hell of a time finding out what it is. Is there a site that could help me?

gardenlife1 1099 3 Replies

gardenlife1

9 years ago

What does it mean by induced/uninduced cultures?

When growing recombinant proteins I used a uninduced control culture and a auto induction medium in my production culture.

what does it mean by induced/uninduced

GCUQMU 1309 N/A

GCUQMU

8 years ago

Physioex 8.0 exercise 4

Does anyone know where i can find an answer key this exercise is so confusing!

gee.amanda 13800 12 Replies

12 years ago

Design an experiment outlining your techniques that will analyze the temporal expression pattern of

Design an experiment outlining your techniques that will analyze the temporal expression pattern of a gene (gene X - mRNA expression) and its protein localization during gastrulation in three different organisms.
Please state the organisms you a

gkor29 3130 N/A

gkor29

9 years ago

HELP! how should i persuade this reviewer?

To investigate the effect of xxxxx(treatment) on bone metabolism in tail- suspended rats, studies were carried out focusing on bone quality and the molecular mechanisms.

60 Female 8-week old Sprague Dawley rat were randomly selected

glory123 1341 4 Replies

savio

9 years ago

what is the function of the kidney in a frog? and what other organs does it iner

what is the function of the kidney in a frog? and what other organs does it interact with other organs in the circulatory system in the frog?

goddjord179 1845 1 Reply

robertling

12 years ago

I need some help with my lab (please see the attachment )

Please see attachment for the question

Can somebody please help???

gogogo37 9075 3 Replies

12 years ago

Enzyme for the synthesis of L-ascorbic acid

I am doing some university research which requires an enzyme that can produce L-ascorbic acid as the end product. The problem is that my knowledge of biology is limited and I have no idea if there is one available that does this. I have searched the

Goosebay 1171 1 Reply

9 years ago

Calculating GFR

I need to calculate GFR using creatinine clearance and MDRD equation. All the data I have is two absorbances for a standard (start = .321) (stop = .358) and two absorbances for urine (start = .288) (stop = .456). The urine volume was 230 mL.&nb

guitargirl0812 1051 N/A

guitargirl0812

10 years ago

Sreening Genomic or cDNA libraries

I've purified a protein and I'm interested in identifying splicing patterns and promotor elements that contribute to expression of the RNA.

The following is the answer to this question, which I don't understand at all. Can

GwynethK 631 1 Reply

savio

10 years ago

how to write a lab notebook?

Any suggestions or tips on how to write a lab notebook? Its for an upper level cell bio course. And its the first time I had to keep one in a biology class. Any advice is greatly appreciated.

gzach369@yah 1808 3 Replies

12 years ago

Lab 8

Can someone please help me with these questions my brain is on fire Neutral Face

4.     An oscilloscope:
a.    Provides stimulus to a tested muscle
b.   Adds weight (load) to a tested muscle
c.   Measures a twitch resp

hallli 2659 5 Replies

MedicLife

12 years ago

PhysioEX 8.0 Human Physiology Exercise 2

I'm having a little trouble trying to answer this question in Activity 8.

4. The graph shows a dip at muscle length = 90 mm. Why is this?

Any help would be greatly appreciated.

Thank you

havoc-covah 3271 4 Replies

wrek

12 years ago

What is the relationship between nerve size and conduction velocity?

I have finished the lab but am stuck on the last 3 questions in the activity 8.

5. What is the relationship between nerve size and conduction velocity? What are the physiological reasons for this relationship?
I kno

havoc-covah 2526 N/A

havoc-covah

13 years ago

Outbreak scenario as team microbiologist HELP

An outbreak of an unidentified bacteria has occurred in a remote village. You have been
selected to travel on the investigative medical team as the microbiologist. You are
allowed to take 80 pounds of equipment. Your plane can only carry

heartly 1647 1 Reply

jazminemartin

9 years ago

Final: cardiac electrical, blood vessel and pressure, respiratory and renal phys

Any methods in studying or mechanisms to handle these topics

hehetrouble 1072 2 Replies

hehetrouble

12 years ago

exercise 11 in physioEX 8.00

Can you please give me answers for activity 3,4 and 5 in exercise 11 Neutral Face

helen237 15808 1 Reply