Introductory Courses

Help with RT-PCR!

Help with RT-PCR!

I'm doing RT-PCR for the first time so the professor suggested I just look for RPL-32, a housekeeping gene in human mast cells. 

The first time I went through the procedure, I got no bands on my gel, just the 100 base pair ladde

Polymorphism   1160   1 Reply

sarah!

PhysioEx Exercise 3 Review Sheet

PhysioEx Exercise 3 Review Sheet

Can anyone help with the Review sheet on pg 41 and 42 for exercise 3 ? I have did the labs but I am new to this PhysioEx and I'm not sure about the answers! Thank You!!

bubear   6970   4 Replies

naj1362

ap bio

ap bio

when did the college board change the ap bio exam from 120 multiple choice questions to 100?

apbio64   803   1 Reply

moon_stars9700

components of a microscope

components of a microscope

Hello I need to know the function of the following components of a microscope, however I have tried google, and it probably isnt the most reliable resource.

reflecting surface
field stop
mechanical tube

Cheers.

quantumX   1142   1 Reply

sarah!

What is "ART" in micropipetting?

What is "ART" in micropipetting?

What is "ART" in micropipetting?! What does it stand for?

spliceofslife   1772   5 Replies

Nikkilg

PhysioEx 8 Exercise 1-

PhysioEx 8 Exercise 1-

Hello,

I was looking for answers to PhysioEx Exercise 1.  I do not see any questions or answers for the complete exercise.

lws   24482   5 Replies

biolove

Physioex 8.0 Renal System

Physioex 8.0 Renal System

Help me please!!
Glomerular Filtration
Activity 1:  Effect of Arteriole Diameter on Glomerular Filtration

1.   Compare this data with your baseline data.  How did increasing the afferent arteriole radius affect glomerular

lcv123   7751   3 Replies

duddy

effects of tylenol 3 on enzyme activity

effects of tylenol 3 on enzyme activity

What are the effects of Tylenol 3 (condine, caffeine and Acetaminophen) on the activity of catalase the enzyme?

123

buddah   6641   28 Replies

duddy

Having trouble with Phsioex 8.0 human physiology excercise 4 activity 1-4

Having trouble with Phsioex 8.0 human physiology excercise 4 activity 1-4

Having trouble with Phsioex 8.0 human physiology excercise 4 activity 1-4

ns23   2553   4 Replies

lena213

physioex 8.0 exercise 4 review sheet

physioex 8.0 exercise 4 review sheet

 can someone please answer the following questions from physioex 8.0 exercise 4 review ,page 59

3. what is the role of hypothalamus in the production of thyroxine and tsh

4.how does thyrotropin realeasing hormone travel from the

berfrye   12135   3 Replies

berfrye

pollinators

pollinators

any one has good articles on plant pollinators?

vbathala@gma   1179   3 Replies

bio_man

I need help with lab experiment

I need help with lab experiment

I did an experiment looking at the effect of the structure of substrate on the rate of the reaction. What would be the best way to label my chart?

Also can someone give me an idea on how to ans

mzhottchoc   2383   8 Replies

bio_man

anatomy& physiology coloring workbook question

anatomy& physiology coloring workbook question

Hi guys!  I need help with this problem from my anatomy & physiology coloring workbook:  figure 3-4 shows a semipermeable sac, containing 4% NaCl, 9%glucose, and 10% albumin, suspended in a solution with the following composition: 10% N

jjlo77   5039   2 Replies

jjlo77

PopGen Lab - need help

PopGen Lab - need help

50% brown, 25% white and 25% black; equal proportions of ea tree type, one tree stand, 4000 carrying capacity, random mating, disaster frequency "never".
Based on these conditions, does ea moth genotype have an equal chance of surviva

overthehead   6574   12 Replies

mam75

How does gel electrophoresis work?

How does gel electrophoresis work?

How does gel electrophoresis work? I know the electrophoresis separate DNA into fragments, which causes the DNA to ne denatured? But not getting the concept?  What is the purpose of restriction enzymes have a role?
Thanks for any help

Only   11124   6 Replies

mam75

Microbiology

Microbiology

what is the central dogma of genetics?

shahabk87   1339   3 Replies

walid

Biology Lab: Plant Transpiration

Biology Lab: Plant Transpiration

Has anyone ever seen/done this lab before??   


Lab 3 Worksheet:  Plant Transpiration

Student instructions:  Follow the step-by-step instructions for this exercise found on the worksheet below and in the

Charlie   35750   7 Replies

bio_man

Cellular respiration lab

Cellular respiration lab

Hi.  I am doing a cellular respiration lab using soybeans - three beakers.  One with presoaked, one with dry beans and one with none.  Which is my control group?  Not the presoaked, correct?!  And, when bromothymol is added t

tlcone72   10391   9 Replies

laura00

What is the molecular explanation of metal salts?

What is the molecular explanation of metal salts?

what is the molecular explanation of metal salts?

jensean   870   1 Reply

bio_man

i have physioex 9.0

i have physioex 9.0

I'm struggling with the review sheet 1 Cell Transport mechanisms and permeability.
Its been a tough week with recent deaths in my family I cant seem to think of the answers that I want to say.
Can anyone help me?

bradybelle221   1378   3 Replies

qew

Meiosis

Meiosis

The Asiatic lily has a diploid number of 24.
How many chromosomes are visible in a cell in Prophase I ? How many sister chromatids?

How many chromosomes are visible in one of the cells in Prophase II ? How many sister
chromatid

yolanda   1047   1 Reply

Bio_World100

Meiosis Lab

Meiosis Lab

How many chromosomes are visible in a cell in Anaphase II ? How many sister chromatids ?

What is the haploid chromosome complement of your lily plant (as found in one of the four daughter cells after meiosis) ?

During what sta

yolanda   2280   3 Replies

Bio_World100

Physio Ex 9.0

Physio Ex 9.0

Is anyone using that book instead of the 8.0 version?  Seems a bit frustrating to ask questions only to get answers from an old book

evoolola   2187   1 Reply

duddy

Physio Ex 8.0 Exercise 4 Review questions

Physio Ex 8.0 Exercise 4 Review questions

Hi. I'm only stuck at questions 2, 8a and b, 11, 12, 13, 17, and 24.

In question 2, I am not sure by what they mean by describing their specific actions, so I left this unanswered.


I wasn't sure if my answers for

roxie324   9779   2 Replies

roxie324

PhysioEX 8.0 Exercise 5

PhysioEX 8.0 Exercise 5

I am in need of all the answers for physio ex 8.0 exercise 5 (activities 1-8) please help asap! Thank you!

mewood09   14006   4 Replies

megandavis

Electrophoresis Gel Analysis

Electrophoresis Gel Analysis

Identify which lane is the molecular weight marker, which lane is the p10 plasmid treated with RNase and which lane is the p10 plasmid not treated with RNase based on the gel photo attached in this post.

thusaan100   2340   4 Replies

ppk

EXERCISE 2: Skeletal Muscle Physiology Worksheet from Physio 8

EXERCISE 2: Skeletal Muscle Physiology Worksheet from Physio 8

Hello,

I am a computer science major and I am taking a required science. I chose anatomy but I had no idea it would be this INSANE!!! Its killing me!

If anyone could please help me with this lab I would greatly appreciate it!!!

12

shaundavis24   23627   15 Replies

how_mendel

PhysioEx 8.0 - Exercise 1

PhysioEx 8.0 - Exercise 1

PhysioEx 8.0 Exercise 1 ISBN 0-32154900-7 ISBN 978-0-321-54900-6

I NEED HELP WITH EXERCISE 1 ON CELL TRANPORT MECHANISMS AND PERMEABILITY I HAVE NONE OF IT ASNWEARED

THANK YOU

lcv123   40099   12 Replies

how_mendel

Renal system physioex 8.0 exercise 9

Renal system physioex 8.0 exercise 9

Glomerular Filtration
Activity 1:  Effect of Arteriole Diameter on Glomerular Filtration

1.   Compare this data with your baseline data.  How did increasing the afferent arteriole radius affect glomerular filtration rate? 

12

lcv123   31096   22 Replies

RosaritoJ

Biological gradient?

Biological gradient?

I am reviewing a study packet and one of the first items in the packet is: Determine complexity increases at each step of the biological gradient and also explain the terms associated with the biological gradient.

I've gone through al

grizzlyUSMC   1813   1 Reply

robertling

Yeast fermentation lab report

Yeast fermentation lab report

Does anyone know where I can get lab report help?  I have 2 reports due on Friday and no clue how to get them done.  Any advice would be greatly appreciated!

BioQueen   2161   6 Replies

sharper7

lab 6 for Alta and alta

lab 6 for Alta and alta

1.    Hypertension means:
a.    High blood sugar levels
b.   High blood cholesterol levels
c.   High blood pressure levels
d.   None of the above

2.    A sphygmomanometer:
a.    Measures blood pressure
b.   When inflated cuts

GinGin1luv   1493   N/A

GinGin1luv

Describe what would happen to a resting membrane potential if the concentation o

Describe what would happen to a resting membrane potential if the concentation o

Describe what would happen to a resting membrane potential if the concentation of large intracellular anions that are unable to cross the membrane is experimentallly increased.

helena.sandoval   9967   2 Replies

Kobe2480

What is the difference between adaptive radiation and natural selection?

What is the difference between adaptive radiation and natural selection?

Any help would be great

fwinqp   5222   1 Reply

duddy

How to do statistics for a lab?

How to do statistics for a lab?

I have never done statistics or lab before! So, my professor gives just a packet to do for class. 

My basic question is how do I do unpaired t-test, a paired t-test, and linear regression for descriptive statistics? I need to have

acorneee   1743   4 Replies

acorneee

What activity are u stimulating when you click the ERV button?

What activity are u stimulating when you click the ERV button?

1. what activity are u stimulating when you click the ERV button?
 what additional muscles are used in this activity?
2. what was the MRV calculated in activity 1?

ln1012   3575   1 Reply

lady_eleven

Can someone please help me with the stage of mitosis?

Can someone please help me with the stage of mitosis?

Also - how does mitosis differ from meiosis?  I looked in my textbook and it's so confusing.  I just want a brief and concise answer.  Thank you!

Please give me a "good post" rating!

schung7   3220   9 Replies

NeoshadowXC

need answers for physio 9.0 exercise 3 review sheet activity 6,7,8,9

need answers for physio 9.0 exercise 3 review sheet activity 6,7,8,9

need help with these please.

jeannine   3350   5 Replies

cassie2639

PhysioEX 8 Exercise 8 Digestion

PhysioEX 8 Exercise 8 Digestion

PHYSIOEX Excerise 8 Digestion

1.   At what PH did yo see the highest activity of salivary amylase? _______
Salivary amylase is active in the mouth, which has a pH of 7.

Why?
Because saliva is where the enzyme is suppose

raininginny   22987   1 Reply

robertling

A&P2

A&P2

DOES ANYONE HAS THE TABLE FOR PHYSIO-EX 8.0 EXERCISE 4 ACTIVITY 1 AND ACTIVITY 5 QUESTION 9.... PLEASE REALLY NEED HELP

eva   1565   2 Replies

George