Upper-Year Courses

dihybrid cross with possible epistasis involved

dihybrid cross with possible epistasis involved

Using this data could you help me figure out if these genes are linked and if they are what’s the map distance between them? 
This is a dihybrid cross working with fruit flies.  Parental generation is a sepia eyed male x apterous fema

confused_student   4954   2 Replies

sarah!

trihybrid cross constructing a map of the genes

trihybrid cross constructing a map of the genes

On chromosome #2 of the fruit fly there are three linked genes: vestigial, black, brown or bl-vg-br.  bl is in the middle.  In my parental cross there a vestigial black brown fly is mated with a wild type fly.  All F1 are wild type.&nb

confused_student   3062   2 Replies

duddy

Microbiology

Microbiology

I did a kirby-baur test or a disk diffusion method test, this evaluates the efficiency of a antimicrobial/bactericidal/disinfectant agent, by placing disks soaked in said antimicrobials on a agar that has been inoculated with a specific bacteria. A z

AJ   2369   2 Replies

natali123

exercise 11 in physioEX 8.00

exercise 11 in physioEX 8.00

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

helen237   15803   1 Reply

duddy

PhysioEx Lab 2

PhysioEx Lab 2

Can I get help on one more?  Activity 4
What happens to force production with each subsequent stimulus?
Thank you again

llscott777   5387   3 Replies

boeing

PhysioEx Exercise 3 Activity 6

PhysioEx Exercise 3 Activity 6

I am having trouble with this excersise, can anyone help??  Thanks!!!

whitecaddy26   4348   2 Replies

whitecaddy26

Describe the significance of using 9mM sodium chloride inside the cell and 6 mM

Describe the significance of using 9mM sodium chloride inside the cell and 6 mM

I am struggling with my PhysioEx. 8.0.  On the review sheets for exercise 3. I am in need of help for the following questions. 4. What is the difference between membrane irritability and membrane conductivity? 5. Why does a nerve's action p

whitecaddy26   11744   1 Reply

boeing

PhysioEx Exercise 3 - Review

PhysioEx Exercise 3 - Review

This probably makes me seem lazy but does anyone have the answers to the Review for Exercise 3. I have a physio lecture exam to study for as well as a anatomy exam. -___________- I started the review I finished the matching aw well as question 16. An

adr1e   3935   3 Replies

adr1e

physioEx 8.0 exercise 4 actvity 8

physioEx 8.0 exercise 4 actvity 8

Need help with table 4.2 #17 ,patient 1-5 PLZ

jennE   2239   4 Replies

duddy

PhysioEx 8.0 Exercise 4 ACTIVITY 4 --Any help ppppplease??!!

PhysioEx 8.0 Exercise 4 ACTIVITY 4 --Any help ppppplease??!!

Can anyone help me with the PhysioEx 8.0 Lab for Exercise 4 (Endocrine System Physiology) for Activity 4: "Determining the Effect of Propylthiouracil on Metabolic Rate"

It's the very last thing I have to turn in and be f

sorrowssiren   1895   3 Replies

duddy

Describe your four tracings and explain what has happened in each of them.

Describe your four tracings and explain what has happened in each of them.

I am stuck on just a few questions and wondered if anyone could help me out.

Activity 3 question: An individual muscle fiber follows the all-or-none principle—it will either contract 100% or not at all.  Does the muscle we are working

sunshine   1598   N/A

sunshine

physioex 8.0 exercise 7 activity 6

physioex 8.0 exercise 7 activity 6

How much of an increase in FEV1 do you think is required for it to be considered significantly improved by the medication? 

kpx311   5374   1 Reply

bio_man

What is the relationship between nerve size and conduction velocity?

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   2524   N/A

havoc-covah

PhysioEx 8.0 exercise 4

PhysioEx 8.0 exercise 4

Looking for key to exercise 4 activity 5-8.  Must grade papers for instructor tonight, thank you for any help possible.

tigger too!   1941   N/A

tigger too!

Physioex 8.0 For Human Physiology

Physioex 8.0 For Human Physiology

I have completed exercise 6/Cardiovascular Physiology, however i can not get the Electrical stimulation lab to work for activities 1 and 2, on either of the 2 computers I have, can anyone help.   I can not get the professor to email me back!&nbs

Knight   10880   3 Replies

memphistiger1

PhysioEX for Human Physiology - Excercie 6 Frog Cardiovacular

PhysioEX for Human Physiology - Excercie 6 Frog Cardiovacular

I am in desperate need of the answers to this lab and review . i can see that there are several topics about this, but i can't find the answers. i am willing to share my answers to previous labs and any test info i have.

thanks in adv

memphistiger1   3182   3 Replies

duddy

PhysioEx 8.0 Solutions.

PhysioEx 8.0 Solutions.

If you are not a "contributing member" and want the ALL of the answers and you want them now, then check out these 2 posts:

https://biology-forums.com/index.php/topic,19

mb2005   2827   1 Reply

mb2005

physioex 8.0

physioex 8.0

Good evening, i have been working on my lab but im kinda stuck with just one question in lab 5 title cardiovascular dynamic. below is the question:
Try to Explain why this graph differs from the radius plot in the vessel resistance experiment. R

joyce de34   7401   5 Replies

duddy

PhysioEx 8.0 exercise 2

PhysioEx 8.0 exercise 2

Explain how wave summation and recruitment are achieved in vivo.

For Activity 6, explain how you were able to achieve smooth contraction at a given force level.

st123   3796   1 Reply

duddy

physioex 8.0 lab 5 activity 6

physioex 8.0 lab 5 activity 6

I need help understanding this


Applying the simulation outcomes to the human heart, predict the effect of increasing the stroke volume on cardiac output (at any given rate).

lisagregory   3720   1 Reply

duddy

PhysioEx 18B Solutions

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   2588   N/A

ErikIsAHuman

In the experiment, explain what happened to active force as the ‘voltage’ increased? As it

In the experiment, explain what happened to active force as the ‘voltage’ increased? As it

Hello there!
  I just completed activities 6-8 in exercise 2 of the Phsyio Ex 8.0 book, and my professor wants me to to be able to answer some questions related to the experiments.  I answered most of them, but I'm not entirely su

Kate   7049   N/A

Kate

physioEX exerices #8

physioEX exerices #8

can you help with exercise #8

warren06   1285   1 Reply

biolove

PhysioEx 7.0 Skeletal Muscle - Activities 2 & 3 help???

PhysioEx 7.0 Skeletal Muscle - Activities 2 & 3 help???

Activity 2

how long is the latent period?
What occurs in the muscle during this apprarent lack of activity?

Activity 3
What is the minimal, or threshold, stimulus?
What is the maximal stimulus?
How can you ex

lil_one7979   12962   4 Replies

missy25

PhysioEx 8.0 for A&P Lab 2 - Skeletal Muscle Physiology (p.17)

PhysioEx 8.0 for A&P Lab 2 - Skeletal Muscle Physiology (p.17)

I lost the CD for the interactive lab - I have to turn in Lab 2 before midnight tonight (17Apr11). I need help w/ the answers - PLEASE!!!!   I am already suffering in the grade department after having a baby this term.

macekjm   6650   4 Replies

bio_man

activity 6

activity 6

Did the depth of the breathing pattern change during rebreathing? (Carefully examine the tracing for rate and depth changes; the changes can be subtle). Explain your observations.

liltwinkle20   6068   1 Reply

bio_man

PhysioEx Help?

PhysioEx Help?

Hate PhysioEx and need help!

acushman   1548   3 Replies

bio_man

PhysioEx Exercise 7

PhysioEx Exercise 7

I did it here before I just don't remember where I went, does anyone know where I can get the link to to do the actual lab myself? I did it on a past exercise and I got the link off this website. Does anyone know or have the link for Exercise 7?

boobopgrl   2219   1 Reply

duddy

Lab

Lab

Why is it important to incubate the inoculated plates at 37 degrees C

1LovelyNurse   902   2 Replies

duddy

PhysioEx 8.0 Endocrine

PhysioEx 8.0 Endocrine

Hello,
PhysioEx 8.0 Exercise 4  need assistance, especially in  activity one.

jujubes   1808   1 Reply

bio_man

Physio Ex 8 Respiratory Mechanics (Ex 9 or chap 22)

Physio Ex 8 Respiratory Mechanics (Ex 9 or chap 22)

Any help at all would be a godsend.  Activity  6

clayton   2184   1 Reply

bio_man

Physioex 8.0 exercise 4 activity 1

Physioex 8.0 exercise 4 activity 1

Please help!

1.  Which rat had the fastest baseline metabolic rate?
2.  Why did the metabolic rates differ? 
3.  If an animal has been thyroidectomized, what hormone(s) would be missing from its blood?

jbloc86   4831   2 Replies

JC

physioex 8.0 human physion

physioex 8.0 human physion

i need help on lab 4 endocrine system review 4 question number 7

ldeeley   1021   1 Reply

simonesosexii

Lab 8

Lab 8

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




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

hallli   2657   5 Replies

MedicLife

anatomy and physiology

anatomy and physiology

stimulation of the beta receptors on the heart mucles cells results in ?

berfrye   1312   3 Replies

DJ

Physo Exercise 9 Renal

Physo Exercise 9 Renal

Can some one help me with this question...(I saw it posted but there was no answer so sorry if i did this wrong)
What is the maximum osmolality of the interstitial fluid? 

serenity2870   1102   1 Reply

duddy

PhysioEx 8.0 Exercise 6: Cardiovascular Physiology Worksheet

PhysioEx 8.0 Exercise 6: Cardiovascular Physiology Worksheet

5.   Complete the following: As heart rate decreases, cardiac output _______ (assuming stroke volume remains the same).  As heart rate increases, cardiac output ________ (assuming stroke volume remains the same).

Can someone help me wit

Nicholle87   8393   1 Reply

bio_man

anatomy and physiology

anatomy and physiology

Hi,can someone please answer this for me.thanks in advance




Muscarinic receptors...?
A) are activated by acetylcholine
B) are located on the surface of ganglion cells in both the sympathetic and parasympathetic n

berfrye   1508   4 Replies

berfrye

anatomy and physiology

anatomy and physiology

does any one have answers to physioex 8.0 for A&P exercise 5,
need help please for activities 1-3

berfrye   979   1 Reply

MedicLife

PhysioEX 8.0- Activity 1,2,3,4

PhysioEX 8.0- Activity 1,2,3,4

has anybody solved these problems ?  I cant find my cd-rom to complete this assignment.

raaaaalph   1355   1 Reply

biolove