Latest Discussions

S. pneumonia

S. pneumonia

1. What feature of the S. pneumonia cell is responsible for its virulence?
2. Which type of pneumonia is mainly nosocomial infection?

News Articles and Discussion   JOJO   1091   bio_man   13 years ago

Pearson Biology 7th Edition

Pearson Biology 7th Edition

Answers are attached

1. greatest likelihood of fossilization in sedimentary rock?

I. The species was abundant.
II. The species was widespread.
III. The species had hard body parts.
IV. The species was adapted to desert life.
V. The species had a long duration in geologic time.
A) III only
B) III and IV
C) I, II, and III

Test Banks   biolove   14148   13 years ago

Euthanasia underground surfaces in New Zealand

Euthanasia underground surfaces in New Zealand

This article features a case of illegal euthanasia being performed in New Zealand.

One of the issues associated with "back-alley" medical treatment is the potential for them to be performed by inexperienced or unqualified individuals, thereby increasing the chance the recipient is left in a worse state than before. Should we be making euthanasia legal already, t

News Articles and Discussion   PPK   1029   2   sarah!   13 years ago

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.  The F2 are the following:
1675 +++
23 bl vg br
176 bl ++
13 + vg br
57 ++ br
52 bl vg +
93 + vg

Upper-Year Courses   confused_student   3062   2   duddy   13 years ago

Careers dealing with animals?

Careers dealing with animals?

Does anyone have any advice on a career dealing with animals that is not a veterenarian? I want to be able to have a career that pays good money that involves animals. I have been looking on the internet but have'nt found one yet. Veterenarian keeps popping up! I am a Biology major and a junior. I'm going to graduate soon and don't want to be one of those people who h

Career Guidance   Kelly185891   7279   6   karim89   13 years ago

Rise in emissions = Ocean Acidification

Rise in emissions = Ocean Acidification

A rise in emitted fossil fuels and carbon dioxide has started to change the chemical composition of the ocean toward an acidic composition. This acidification due to human activity is affecting coral reefs all over the planet, impacting coral and invertebrates.
This would affect humans through food supply and may affect birds and other land species.

Opinions? Comment

News Articles and Discussion   PPK   1164   4   ThePsychic   13 years ago

Best Statistics Test for Comparing Categorical Data Sets

Best Statistics Test for Comparing Categorical Data Sets

Greetings,
I conducted an indoor plant rooting test involving 9 treatments (including 1 control).  These tests were repeated by using 2 clones (siblings) and replicated across 2 flats with the plant trays (3" x 3")  in random locations.  Each flat contained 18 test trays with the 2 sibling clones each having 9 treatments.  Each tray contained 3 cut

News Articles and Discussion   gopat   4368   12   bio_man   13 years ago

Mongoose Attacking an Asian Cobra

Mongoose Attacking an Asian Cobra

News Articles and Discussion   duddy   1291   2   bio_man   13 years ago

Gene therapy cures monkeys of laziness

Gene therapy cures monkeys of laziness

Gene therapy cures monkeys of laziness

Procrastinating primates can be turned into workaholics, thanks to gene therapy. The discovery, which sheds light on the workings of the brain's reward centre, may further our understanding of mood disorders, such as depression and obsessive-compulsive disorder.

Like many huma

News Articles and Discussion   bio_man   889   13 years ago

Losing hair

Losing hair

so any good remedies for a guy experiencing male-pattern baldness

Feeling sick?   biology101   1918   5   duddy   13 years ago

apoptosis

apoptosis

Is it necessary for cells to be equipped with apoptosis mechanism? Why?

News Articles and Discussion   Brii   1396   3   13 years ago

Bacteria

Bacteria

Describe three mechanisms that bacteria can use to survive within a phagocytic cell.

News Articles and Discussion   Brii   776   bio_man   13 years ago

The Hedgehog and the hair follicle: a growing relationship

The Hedgehog and the hair follicle: a growing relationship

The various forms of hair loss (alopecia) constitute an extremely common complaint among both men and women. Although sometimes dismissed as merely cosmetic, these conditions can be psychologically and socially devastating. The desire to regrow hair is at the root of a multi-billion dollar industry worldwide; however, there are few truly effective treatments. Given the recent progre

News Articles and Discussion   bio_man   1137   mikael   13 years ago

Epidermodysplasia verruciformis

Epidermodysplasia verruciformis

News Articles and Discussion   bio_man   979   mikael   13 years ago

Researchers Train Bacteria to Convert Bio-Wastes Into Plastic

Researchers Train Bacteria to Convert Bio-Wastes Into Plastic

Researcher Jean-Paul Meijnen has 'trained' bacteria to convert all the main sugars in vegetable, fruit and garden waste efficiently into high-quality environmentally friendly products such as bioplastics.

There is considerable interest in bioplastics nowadays. The technical problems associated with turning potato peel into sunglasses, or cane sugar into car

News Articles and Discussion   bio_man   970   mikael   13 years ago

8-Year-Olds Publish Article in Respected Biology Journal

8-Year-Olds Publish Article in Respected Biology Journal

A class project about bees prepared by a group of British schoolchildren was published in a leading scientific journal Wednesday.

The 25 students -- aged between eight and 10 -- studied how bees see color and patterns for a class project at Blackawton Primary School in southwestern England.

‘We discovered that bumble-bees can use a combin

News Articles and Discussion   bio_man   1057   13 years ago

Genetic Mutation May Lead to Violent and Reckless Behavior

Genetic Mutation May Lead to Violent and Reckless Behavior

In a discovery that could help scientists further understand impulsivity in humans, researchers have announced they found a genetic variant that may contribute to spontaneous violent behavior.

In a new study released in the journal Nature, a multinational research team examined the genes of 96 violent criminal offenders in Finland with behavioral disorders and compared i

News Articles and Discussion   bio_man   1206   13 years ago

Probiotic natural health product over undeclared dairy, says Health Canada

Probiotic natural health product over undeclared dairy, says Health Canada

Probiotic natural health product over undeclared dairy, says Health Canada

OTTAWA - Health Canada says a probiotic natural health product is being recalled because it could contain trace amounts of dairy not declared on the labels.

It says the oral capsules — Cultures de Yogourt 2 Milliards (NPN 80013273), from the company Bio-Dis

News Articles and Discussion   bio_man   948   13 years ago

What's the best solution for hair loss?

What's the best solution for hair loss?

THE two most commonly known medications for slowing down balding are Minoxidil lotion (Regaine or Rogaine), drops of which are rubbed into the scalp twice daily and Finasteride tablets (trade name Propecia), which are taken once daily.

The lotion can be purchased over the counter but the tablets require a script. Both only work as long as you

News Articles and Discussion   bio_man   832   13 years ago

Stop hair loss today. But read the fine print first

Stop hair loss today. But read the fine print first

A 26-year-old man from Edinburgh, Scotland, has claimed that he has become completely impotent after taking anti-baldness drug finasteride, known as Propecia in the United Kingdom, reports the BBC.

Propecia, a prescription pill, has proven effective in clinical trials with nine out of 10 men using the drug reporting no more hair-loss over a five-yea

News Articles and Discussion   bio_man   811   john86   13 years ago

IRAQ: Christian IDPs find refuge in Kurdish north

IRAQ: Christian IDPs find refuge in Kurdish north

IRAQ: Christian IDPs find refuge in Kurdish north

ANKAWA, 23 December 2010 (IRIN) – Hundreds of Iraqi Christians are fleeing to the northern semi-autonomous Kurdish region and particularly the town of Ankawa, which has become a safe haven for the country’s Christians, thanks to its s

Off-Topic Room   sarah   1312   13 years ago

campbell biology 8th edition Chapter 7 Test bank

campbell biology 8th edition Chapter 7 Test bank

Answers are attached

Enjoy

Biology, 8e (Campbell)
Chapter 7  

Membrane Structure and Function

Multiple-Choice Questions

1) Who was/were the first to propose that cell membranes are phospholipid bilayers?
A) H. Davson and J. Danielli
B) I. Langmuir
C) C. Overton
D) S. Singer and

Test Banks   biolove   41697   13 years ago

Mount Sinai Researchers Develop Mouse Model To Help Find How A Gene Mutation Lea

Mount Sinai Researchers Develop Mouse Model To Help Find How A Gene Mutation Lea

Mount Sinai Researchers Develop Mouse Model To Help Find How A Gene Mutation Leads To Autism

Researchers from Mount Sinai School of Medicine have found that when one copy of the SHANK3 gene in mice is missing, nerve cells do not effectively communicate and do not show cellular properties associated with no

News Articles and Discussion   biolove   1004   13 years ago

campbell biology 7th edition Chapter 29 Questions

campbell biology 7th edition Chapter 29 Questions

Which of the following is not evidence that charophyceans are the closest algal relatives of plants?

Your Answer:
similarities in cell wall formation during cell division   
Correct Answer:
similar cell wall structure 
--------------------------------------------------------------------------------
2.
Which of the following c

Free Notes   duddy   10273   13 years ago

HIV drugs, Abacavir and Didanosine increase the risk of heart attack

HIV drugs, Abacavir and Didanosine increase the risk of heart attack

HIV drugs, Abacavir and Didanosine increase the risk of heart attack

A study to assess the adverse effects of anti-retroviral drugs shows that two widely-used HIV drugs are associated with an increased risk of heart attack/the formation of blood clots in the heart. With the use of Didanosi

News Articles and Discussion   bio_man   857   13 years ago

Non-toxic chemical turned B.C. river green

Non-toxic chemical turned B.C. river green

Non-toxic chemical turned B.C. river green

When a stretch of the Goldstream River on Vancouver Island unexpectedly turned neon green last week, res

News Articles and Discussion   bio_man   1090   13 years ago

Life on Other Plants? Living on Mars

Life on Other Plants? Living on Mars

Living on Mars is a National Geographic production documentary dealing with the possibilities of making Mars more hospitable to humans, thus terraforming it.

“On the surface, the red planet’s freeze-dried world of rocks, ice, and dust looks like an unlikely place to plant a garden. But rocks and minerals found by the Mars rovers show it must once have had warm

News Articles and Discussion   bio_man   906   13 years ago

David Eagleman - The Brain and The Law

David Eagleman - The Brain and The Law

The Unconscious Part Of Your Brain Is The Real Main Decision-Maker.

The Role Of Consciousness Has Been Hugely Exaggerated, Ill Defined And Largely Misunderstood

News Articles and Discussion   bio_man   901   13 years ago

biology animals

biology animals

hey there bio fanatics, i just have a question concerning vertebrates and invertebrates birth i translated from french to English , i came up with indirect birth for invertebrates and direct birth for vertebrates it doesn't sound biological correct could anyone assist me , just by giving me the correct terms for each ...

News Articles and Discussion   professor   1230   5   bio_man   13 years ago

bio

bio

hi
1) which terms could describe a monocot flower?
   a) four sepals, four petals b) five sepals, ten petals c) twelve sepals, twelve petals d) four sepals, eight petals

2) which is not part of a seed?
   a) cotyledon b) embryo c) endosperm d) pollen

3) which describes the embryo of an anthophyte?
   a) diploid b) haploid c)

News Articles and Discussion   mountain1996   4327   bio_man   13 years ago

Using Light To Control Brains

Using Light To Control Brains

This video shows how scientists can control the behaviour of cells simply by switching on a light. The technique, known as optogenetics, is teaching us about everything from how we wake up to how we learn. That's why Nature Methods has named optogenetics as its Method of the Year 2010.

News Articles and Discussion   biolove   829   13 years ago

Ancient teeth may be oldest evidence of human remains: Israeli researchers

Ancient teeth may be oldest evidence of human remains: Israeli researchers

Ancient teeth may be oldest evidence of human remains: Israeli researchers

JERUSALEM - Israeli archaeologists said Monday they may have found the earliest evid

News Articles and Discussion   bio_man   2286   3   shahindian2009   13 years ago

Neandertals’ Extinction Not Caused by Deficient Diets, Tooth Analysis Shows

Neandertals’ Extinction Not Caused by Deficient Diets, Tooth Analysis Shows

Neandertals’ Extinction Not Caused by Deficient Diets, Tooth Analysis Shows

Researchers from George Washington University and the Smithsonian Institution have discovered evidence to debunk the theory that Neandertals' disappearance was caused in part by a deficient diet -- one th

News Articles and Discussion   bio_man   1040   shahindian2009   13 years ago

Iraqi Christians Take To The Streets

Iraqi Christians Take To The Streets

I know this is not particularly science-based, but I really want to get this off my chest! I want to use this post to commerate the Iraqi Christians that were massacered in Baghdad, Iraq on October 31st, 2010, by Islamic Terrorist.

When will followers (Muslims) of this monstrous, fiendish faith (Islam) become extinct!? They are so evil and they have such a nega

Off-Topic Room   sarah   2645   10   shahindian2009   13 years ago

Teaching Creation in Biology?

Teaching Creation in Biology?

Article: http://www.wired.com/wired/archive/12.10/evolution.html

This article talks about how a few years ago, the Ohio State Board of Education felt the need to reopen the debate about how to teach evolution/creation in schools. The article points out that this topic has been 'settled' various tim

12

News Articles and Discussion   kong   5201   23   shahindian2009   13 years ago

Legalizing Marijuana

Legalizing Marijuana

Using marijuana in medicine is a highly controversial topic.

Marijuana is used in cancer patients and those with glaucoma. It has been used to help those with "wasting disease" which is great for those with cancer who develop decreased appetites.
The Canadian Senate also released a statement saying it should be legalized and possibly sold in retailers.

News Articles and Discussion   supermario   1228   5   shahindian2009   13 years ago

Plant Have Rights Too

Plant Have Rights Too

The Swiss government has been debating over 'Plant Rights', reaching a majority decision that since plants are living, they deserve rights equivalent to that of humans. Smith claims that the Swiss Federal Ethics Committee on Non-Human Biotechnology have refereed to killing plants as a form of 'plant decapitation' and without cause will result in punishment.

News Articles and Discussion   mikael   1328   7   shahindian2009   13 years ago

Bananas used as HIV drugs

Bananas used as HIV drugs

Apparently scientists claims that Bananas is just as good as any other HIV drugs and helps the patients recover from it. Its hidden properties and a substance called BanLEc helps fight against HIV.

In my opinion, I just don't think eating super bananas is going to be that beneficial to fight against cancer. May be in some ways it helps but not as good as the anti-HIV

News Articles and Discussion   sarah   1005   3   shahindian2009   13 years ago

Morphine gene discovery could lead to more painkillers, more illegal drugs...

Morphine gene discovery could lead to more painkillers, more illegal drugs...

Researchers at the University of Calgary have identified two genes that encode enzymes in the biosynthetic pathways for codeine and morphine, produced by the poppy plant. It should now be possible to produce these compounds in microorganisms using recombinant dna technology. Although a patent has been filed, and the plan is to use the genes to decrease the production cost of approve

News Articles and Discussion   calcguy   1866   5   shahindian2009   13 years ago

Adopted boy, 8, sent back to Moscow with a note

Adopted boy, 8, sent back to Moscow with a note

http://www.thestar.com/news/world/article/792753--adopted-boy-8-sent-back-to-moscow-with-a-note?bn=1

This is an article about an American family that adopted a boy from Russia and then because they said he had severe mental and psychological problems sent him ba

News Articles and Discussion   PPK   1159   5   biolove   13 years ago