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Why is it necessary to make new primary cultures of normal cells while growing phage?
Why is it necessary to make new primary cultures of normal cells while growing phage?
why is it necessary to make new primary cultures of normal cells while growing phage?
General Biology   Chris   920   Asked 13 years ago
Nun getting cured of Parkinson's disease is a miracle
Nun getting cured of Parkinson's disease is a miracle
Nun getting cured of Parkinson's disease is a miracle



A recent news that a French nun got cured of her Parkinson's disease is nothing less than a miracle. Moreso, because the National Insti
General Biology   bio_man   1816   Asked 13 years ago
What are transgenic and knock-out mice?
What are transgenic and knock-out mice?
What are transgenic and knock-out mice?
General Biology   PPK   966   Asked 12 years ago
A young mother, strapped for cash, has been diluting her baby’s formula with water...
A young mother, strapped for cash, has been diluting her baby’s formula with water...
A young mother, strapped for cash, has been diluting her baby’s formula with water to make it last longer.  Suddenly, after feeding the baby the diluted formula for a few weeks, the baby stops breathing and begins to have a seizure.  At the hospital she is told by the doctor that the baby has water intoxication brought on by diluting the formula with too much water. 
General Biology   memucha   2527   Asked 12 years ago
Sheila is a microbiologist studying the infection of bacteria by viruses. She noticed...
Sheila is a microbiologist studying the infection of bacteria by viruses. She noticed...
Sheila is a microbiologist studying the infection of bacteria by viruses. She noticed that some bacteria were destroyed during viral reproduction and release. What kind of infection is she witnessing?
 A. Latent.  
 
 B. Tertiary.  
 
 C. Persistent.  
 
 D. Lysogenic.  
 
 E. Lytic.

Which of the following
General Biology   Mira8642   1491   Asked 12 years ago
Does anyone have a paper on " drinking water and sanitation"
Does anyone have a paper on " drinking water and sanitation"
The paper should be written in the THIRD PERSON taking the individual out of the writing and avoiding pronouns such as I, we, my, our (first person) and you, yours, your, us, we (second person). You should deal with facts and not opinions, thus providing citations within your paper and on your reference page. Focus on the subject itself and not on your feelings about the subject. Th
General Biology   Mira8642   854   Asked 12 years ago
Malti was stung by a wasp and required a tracheostomy, a hole cut in...
Malti was stung by a wasp and required a tracheostomy, a hole cut in...
Malti was stung by a wasp and required a tracheostomy, a hole cut in her trachea so that she could breathe. Likely where was she stung?
 A. Trachea. 
 
 B. Bronchus. 
 
 C. Nose. 
 
 D. Pharnyx. 
 
 E. Pleura. 
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Part 4 of 18 - 

Question 10 of 60 1
General Biology   Mira8642   1359   Asked 12 years ago
Chuck has an inherited defect that results in excessive ammonia in his...
Chuck has an inherited defect that results in excessive ammonia in his...
Question 17 of 60 1.667 Points

Chuck has an inherited defect that results in excessive ammonia in his blood and urine. What urine fraction would you expect to be reduced?
 A. Amino acids. 
 
 B. Water. 
 
 C. Urea. 
 
 D. Glucose. 
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Question 18 of 60 1.667 Points
General Biology   Mira8642   818   Asked 12 years ago
Sensory neurons that communicate with the auditory region of the brain are triggered to fire by neur
Sensory neurons that communicate with the auditory region of the brain are triggered to fire by neur
Question 25 of 60 1.667 Points

Sensory neurons that communicate with the auditory region of the brain are triggered to fire by neurotransmitters released in the inner ear. Where would you expect to find the origin of these neurotransmitters?
 A. Semicircular canals. 
 
 B. Saccule. 
 
 C. Utricle. 
 
 D. Otoliths.&nbs
General Biology   Mira8642   853   Asked 12 years ago
Austin is designing a drug to promote bone healing after fractures. What should he target? What woul
Austin is designing a drug to promote bone healing after fractures. What should he target? What woul
Question 29 of 60 1.667 Points

Austin is designing a drug to promote bone healing after fractures. What should he target? What would be the source of new bone after a fracture?
 A. Synovial fluid. 
 
 B. Yellow marrow. 
 
 C. Red marrow. 
 
 D. Osteocytes. 
 
 E. Osteoblasts. 
Reset Selectio
General Biology   Mira8642   694   Asked 12 years ago
Devin suffers from Kallmann syndrome, a failure to produce GnRH. What might be a...
Devin suffers from Kallmann syndrome, a failure to produce GnRH. What might be a...
Question 33 of 60 1.667 Points

Devin suffers from Kallmann syndrome, a failure to produce GnRH. What might be a consequence?
 A. Diabetes. 
 
 B. Osteoporosis. 
 
 C. Infertility. 
 
 D. Kidney stones. 
 
 E. Insomnia. 
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Question 34 of 60 1.667 Points
General Biology   Mira8642   1200   Asked 12 years ago
Sequence the following in the pathway of sperm travel from meiosis to mating...
Sequence the following in the pathway of sperm travel from meiosis to mating...
Question 37 of 60 1.667 Points

Sequence the following in the pathway of sperm travel from meiosis to mating: (1) Urethra, (2) epididymis, (3) vas deferens, (4) Seminiferous tubule.
 A. 4>2>3>1 
 
 B. 2>1>4>3 
 
 C. 4>3>2>1 
 
 D. 1>2>3>4. 
 
 E. 3>2>4>1 
General Biology   Mira8642   1010   Asked 12 years ago
In the muscle stimulation lab, the muscle tested came from a...
In the muscle stimulation lab, the muscle tested came from a...
Question 58 of 60 1.667 Points

In the muscle stimulation lab, the muscle tested came from a:
 A. frog 
 
 B. mouse 
 
 C. pig 
 
 D. salamander 
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Question 59 of 60 1.667 Points

Which type of muscle tissue is considered voluntary?
 A. skeletal 
 
General Biology   Mira8642   638   Asked 12 years ago
Lannie is a marine conservation officer who has noticed death of algae in patches of coral and he is
Lannie is a marine conservation officer who has noticed death of algae in patches of coral and he is
Lannie is a marine conservation officer who has noticed death of algae in patches of coral and he is concerned about survival of the coral. Why would death of algae result in decimation of coral?

 

   A. Algae produce photosynthetic products used by coral.   
 

   B. Algae absorb fertilizer and other runoff products.   
 

   C. Algae requ
General Biology   Mira8642   945   Asked 12 years ago
What proportion of each of the recombinant classes will be pure breeding?
What proportion of each of the recombinant classes will be pure breeding?
The F2s of a cross between red ?ower and
round seeded (RRWW) × white ?ower and
wrinkled seeded garden pea (rrww), yielded
4 classes of progeny: 2 parental and 2 new
classes with di?erent combinations of traits
(recombinant phenotypes); i.e., red ?owers
with wrinkled seeds and white ?owers with
round seeds. The 2 recombinant classes occurred in the
General Biology   nicolenam   2825   Asked 12 years ago
PhysioEx: Renal System Physiology
PhysioEx: Renal System Physiology
EXERCISE 9:  RENAL SYSTEM PHYSIOLOGY

ACTIVITY 1:  The Effect of Arteriole Radius on Glomerular Filtration   Answers
1.   According to your lab manual, in humans the glomerular filtration rate (GFR) ranges from _____ to _____ ml/minute.   
2.   When the radii of both the afferent arteriole and efferent arteriole were set at 0.45mm, t
General Biology   CAR3153   2056   Asked 12 years ago
What happens to the 3-D shape of enzyms when they are not in their optimal pH range?
What happens to the 3-D shape of enzyms when they are not in their optimal pH range?
1) What happens to the 3-D shape of enzyms when they are not in their optimal pH range?

2) Pancreatic amylase is a component of pancreatic juice that is released into the small intestine. What can you hypothesize about the ph of the digestive fluids in the small intestine?

3) Benedict's reagent can be used to detect glucose in the urine. This would be usef
General Biology   flower555   1282   Asked 12 years ago
Help
Help
The physician orders 12.5 mg of meperidine IM. On hand you have 25 mg/ mL. How many milliliters will you give?
General Biology   obarron2   733   Asked 12 years ago
Help
Help
The physician orders 50 mg of Tigan (trimethobenzamide HCl) IM. On hand you have 100 mg/ mL. How many milliliters will you give?
General Biology   obarron2   775   Asked 12 years ago
You examine a population of carp in a small pond feeding exclusively upon tadpol
You examine a population of carp in a small pond feeding exclusively upon tadpol
You examine a population of carp in a small pond feeding exclusively upon tadpoles. The carp is the only tadpole predator. The average tadpole weighs 1/4 gram and the average carp weighs 4 grams. Approximately what minimum sustainable population size of tadpoles would you expect to find supporting a population of 10 carp?

   A. 1600.    
   B. 100.    
   C. 40.    
   D
General Biology   dontask   831   Asked 12 years ago
In Drosophilia ebony body colour is caused by the recessive allele eb and grey body colour by the d
In Drosophilia ebony body colour is caused by the recessive allele eb and grey body colour by the d
In Drosophilia ebony body colour is caused by the recessive allele eb and grey body colour by the dominant allele eb+. Vestigal wings are produced by the recessive allele vg and long wings by the dominant allele vg+.

When mated, a female with ebony body colour and vestigial wings produces the following offspring.

41 flies with ebony body and long wings
44f
General Biology   mishaaus   1210   Asked 12 years ago
Calculate the observed probability of the four possible phenotypes. this is calculated as the total
Calculate the observed probability of the four possible phenotypes. this is calculated as the total
 yellow is dominate over purple seed colour.
smooth coat is dominate over wrinkled coat



the information above represents and f2 generation. Identify the number of corn kennels that represent the four genotypes.

number    :         36                       14&nb
General Biology   mishaaus   722   Asked 12 years ago
What does a low Ct value indicate?
What does a low Ct value indicate?
I am conducting an experiment using a qPCR and i would like to know what the Ct level implies about the quantity of the DNA in the well. In other words, does a lower Ct value indicate more or less DNA in the well?

Thanks in advance!
General Biology   ChrisDubs   620   Asked 12 years ago
WORKSHEET Chapter 15 – The Urinary System 1. The functions of the urinary syste
WORKSHEET Chapter 15 – The Urinary System 1. The functions of the urinary syste

WORKSHEET Chapter 15 – The Urinary System
1. The functions of the urinary system include elimination of __________ such as ____________________
wastes, __________, and drugs.
2. Kidneys also regulate ____________________, including water and ____________________ balance,
and blood acid-base balance, along with __________ pressure, __________ production, and
General Biology   Lissa   8193   Asked 12 years ago
Explain how neuroimaging brought new results to the study of ASDs, and why it is
Explain how neuroimaging brought new results to the study of ASDs, and why it is
Explain how neuroimaging brought new results to the study of ASDs, and why it is not yet recommended for use in the diagnosis of ASDs.
General Biology   barry   636   Asked 12 years ago
How to determine genetic distance between genes based on fly lab experiment.
How to determine genetic distance between genes based on fly lab experiment.
How to determine genetic distance between genes based on fly lab experiment.
General Biology   JOJO   448   Asked 12 years ago
Describe in details the process of replication in prokaryotic cell. Use a diagram or a drawing if ...
Describe in details the process of replication in prokaryotic cell. Use a diagram or a drawing if ...
Describe in details the process of replication in prokaryotic cell. Use a diagram or a drawing if needed.
General Biology   Chris   720   Asked 12 years ago
transcriptio in prokaryotic cell
transcriptio in prokaryotic cell
Describe in details the process of transcription in prokaryotic cell. Use a diagram or a drawing if needed.

General Biology   Chris   581   Asked 12 years ago
Dihybrid cross
Dihybrid cross
A dihybrid cross between the blue long-eared bunny and a pink short-eared bunny resulted in pink short-eared bunnies (F1). In F2 generation (F1 self-cross), what will be the probability of obtaining a blue long-eared bunny? A pink long-eared bunny? Support your answer using Punnett’s square. Indicate both genotype and phenotype within Punnett’s square.

General Biology   Chris   578   Asked 12 years ago
CEll respiration :(
CEll respiration :(
substance's effects: partially blocks the h+ pyruvate symporter, interfering with the transport of pyruvate into the mitochondria.

Facilitator:
General Biology   yuli   864   Asked 12 years ago
Please help with Phsyology review
Please help with Phsyology review
Put these structures in the correct order in which sound waves are transmitted for hearing. 1) malleus 2) oval window 3) tympanic membrane 4) stapes 5) endolymph 6) perilymph 7) incus
   A. 1, 7, 4, 3, 2, 5, 6    
   B. 3, 1, 7, 4, 2, 6, 5    
   C. 2, 1, 7, 4, 3, 6, 5    
   D. 3, 2, 1, 7, 4, 6, 5    
   E. 3, 1, 4, 7, 2, 5, 6

Following are steps that occur in th
General Biology   Abby30   1032   Asked 12 years ago
physiology review
physiology review
A device that monitors the activity of the photoreceptor cells of the eye indicates that there is a constant flow of neurotransmitter being released by the photoreceptor cells. This information implies that the subject is
   A. reading.    
   B. in a dark room.    
   C. outside in sunlight.    
   D. in a brightly lit auditorium.    
   E. focusing on a distant object.
General Biology   Abby30   1890   Asked 12 years ago
Need help with this question!!!
Need help with this question!!!
Assume that all the blastomeres are spherical and in equal size:
Calculate the increase in total cell volume and total plasma membrane area that accompanies development of the early embryo: that is, in going from one large cell (the zygote) to 4096 small cells (12 divisions, 2^12). Assume that a Xenopus zygote is 80um in diameter and its blastomeres are 5um in diameter.
General Biology   jconnelly01   560   Asked 12 years ago
Bone "Tissue
Bone "Tissue
What would happen to bone tissue if one of the three types of bone cells were missing but the other types remain?
General Biology   kalabra   623   Asked 12 years ago
Cartilage
Cartilage
Why bone is not used every place a hard skeletal element is needed?
General Biology   kalabra   603   Asked 12 years ago
need the answers to IS 100.B
need the answers to IS 100.B
thank you
General Biology   MIKE_86   2028   Asked 12 years ago
Finding chi-square from self-crossing, alleles, etc. (genetics)
Finding chi-square from self-crossing, alleles, etc. (genetics)
Can someone explain/give me some tips about a problem I solved incorrectly but still couldn't understand?
"You have 2 true-breeding types of flowers, one white and one black. When you cross them, you get grey flowers. When you self-cross the greys, their offspring are either white, black, or grey. In the inter-cross between F1 grey flowers, you get 15 white, 10 gray,
General Biology   the-walrus   721   Asked 12 years ago
Chapters 19 and 20 of Marieb Critical Thinking answers
Chapters 19 and 20 of Marieb Critical Thinking answers
1.   Mrs. Jackson, a 59 year old woman, has undergone a left radical mastectomy (removal of left breast and left axillary lymph nodes and vessels). Her arm is severely swollen and painful, and she is unable to raise it to more than shoulder height. (a). Explain her signs and symptoms. (b) can she expect to have relief from these symptoms in time? How so? (4 points). Answer:  (a).
General Biology   MEKAYLA   13788   Asked 12 years ago
Chapter 16 of Marieb Critical Thinking answers
Chapter 16 of Marieb Critical Thinking answers
1.   Richard Neis had symptoms of excessive secretion of PTH (high blood calcium levels), and his physicians were certain he had a parathyroid gland tumor. Yet the surgery was performed on his neck, the surgeon could not find the parathyroid glands at all. Where should the surgeon look next to find the tumorous parathyroid gland? (4 points).
Answer:  The surgeon should next
General Biology   MEKAYLA   22158   Asked 12 years ago
PhysioEx 8.0 excercise 9 due on february 24!!
PhysioEx 8.0 excercise 9 due on february 24!!
I got a few answers from the forum, but my worksheet is a little different from the rest..  This is for 20 extra points that I really need and anything will surely help!!  Thanks in advance!!

Questions: Please answer the questions in complete sentences and explain your answers.
1. What effect does increasing the afferent radius have on gl
General Biology   MEKAYLA   988   Asked 12 years ago
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