Biology

Project: CARBOHYDRATES OR VITAMIN A WHAT SHOULD I DOOOOO???

ok, so we have to do a project 4 home ec. which one can i get more out of? like, something with alot of traits and properties I TRIED LOOKING IT UP. im lost :S thts y im here rite????-If your project

Please help a specific eukaryotic cell type

i have a uni report i should choose a specific cell type of eukaryotic for my report, please help me as its due in a few days and its 600 words ..... , which cell type is easier to choose?and do u hav

The amount of oxygen released from oxyhemoglobin increases when

a. Carbon dioxide concentration decreases b. Carbon dioxide concentration increases c. Temperature decreases d. Blood becomes more alkaline-B. CO2 concentration increases

Which of the following is most descriptive of multiple sclerosis

A. Diease in which mylein sheath is gradually replaced by scar tissue B. neuromuscular disorder caused by a deficiency of dopamine C. Brain death due to cerebral hypoxia D. Increased intracranial pres

Respiratory System True or False Question

A sudden contraction of the diaphragm while the glottis is closed produces a sneeze. True or False-yes i belive it does

Why are tight junction in electrical synapes

Do you mean why are the junctions so tight in electrical synapses?If this is what you are asking, the reason is because the electrical signal travelling down the nerve is converted into a chemical sig

Are organisms that reproduce by parthenogenesis all clones

I am so confused!!Take for example, the whiptail lizard: all female, reproduce asexually by parthenogenesis.The problem is, theres no other parent to provide new DNA.So are all of the offspring clones

Is it possible to read a book that's 1000 pages long in two days

I want to make a 100% on my Biology exam, so ive decided to simply re-read everything if its possible. This is what the book looks like : http://www.bing.com/images/search?q=biol…-Is it possible, may

One bio Q : ) From which structure did jaws evolve

A) Antennae B) Gill arches C) Front legs D) Notochord Thank you! :)-B

What does the Complex I in the mitochondria do

It accepts electron from NADH. These electrons are then passed down the chain. Proton will also be pumped out as NADH delivers electrons which will help contribute to the electron gradient needed to m

How does the surrounding temperature affect the heart rate of a cold-blooded animal

I really have no idea, unless it causes the heart rate to increase as the temperature gets warmer? Also, how does this impact the physiological activities of the animal? Even a short answer is fine,

Protein Synthesis...can someone help me on some questions from my biology homework

Help please :)I kind of understand, just want to make sure I have them right. THANKS! 1) mRNA has codon or anti-codons? 2) 1 or 3 codons equal one amino acid? 3) tRNA brings amino acids to the nucl

Which of the following changes species diversity globally

which of the following changes species diversity globally? a. specification and emigration b. immigration and emigration c. speciation and immigration d. emigration and extinction e. speciation and e

What are four common antigens for humans

title says it all. For college Bio class.-Pollen Rh antigen; Blood group (A,B) antigens. Catechols in poison plants (e.g., ivy, oak). bacteria

What tests have scientists done to see if evolution is true

Do you have any links to these experiments?-I think your question simplifies it too much.There is 150 years of research supporting the theory, but in the end, its too complex to be boiled down to a si