Biology

How fast can a DNA test be done

I wonder how it was possible that the DNA test results of Bin Laden were done so fast.-there are many commercial places that have 24hr turnaround so it is plausible that the government did it in a sho

What's the difference between "single-celled organisms" and "unicellular organisms"

They are both organisms that consist of only 1 cell. However unicellular organisms can be classified into eukaryotic organisms such as the Amoeba where single cellular organisms is classified into pr

What are the three major types of immobilizing enzymes and give a brief description of each

There are three different ways by which one can immobilize an enzyme, which are the following, listed in order of effectiveness: Adsorption on glass, alginate beads or matrix: Enzyme is attached to t

What's scientifically more correct

Im reading in a biology reference and a school textbook, the reference says organs come together to form an organ system, while the textbook says organs come together to form a system My question is,

Explain what is meant by the term ‘biosensor’

http://im3.gulfup.com/2011-05-06/1304678396141.jpg The diagram shows an enzyme electrode from a glucose biosensor. (a) Explain what is meant by the term ‘biosensor’. (b) Describe how the biosensor

How many nerves are in the lips and how many nerves are in the tongue

Im doing a science compitition and I need to know how many nerves are in the lips and tongue and i cant find it on the internet!-You wont find an exact answer instead go have a look at what a motor an

How many people that say a fetus is just a bunch of cells have actually seen real pics of a developing fetus

Someone just asked an abortion question and a number of people said that the fetus is just a bunch of cells. How can anyone look at the pics of a developing fetus and honestly claim its just a group

Evolutionists, why do we feel pain if we were made from elements or matter

elements and matter dont feel pain.-Because the elements of my body have to listen to these ungrounded questions on a regular basis.That is why I feel pain.-Pain is an uncomfortable but necessary feat

Why was the discovery of Homeotic genes significant

Studying for a final, and I am just wondering why the discovery of homeotic genes was exciting for scientists:I know that they determine what body parts grow where, but why is this significant?-What w

Antigen vs Antibody.........

Antigens and antibodies Which one are glycogen and which one is the glucant-I have never heard of glucant, and a google search reveals nothing to me. But an antigen is a particle that an antibody

Most animals belong to which clade

Thanks-I would assume that your teacher is asking for the clade Eumetazoa which is the clade the encompasses all animals with true tissues which only leaves out sponges.

Question about kidneys!

I hate biology! Okay so, the question is: explain the importance the kidneys play in regulating water balance. Ive looked all over the web and cant find anything that I understand! Sooo, thanks in ad

During _________ of __________, homologous pairs of chromosomes line up at the center of the cell (2x2)

A. Anaphase I, Meiosis I B. Prophase I, Meiosis I C. Metaphase II, Meiosis II D. Metaphase I, Meiosis I help please! thanks! :)-D. Metaphase I, Meiosis I-D. Metaphase I, Meiosis I They are form

Eye color for biracial babies

I have green eyes and blonde hair, and everyone in my family has either blue or green eyes. My husband is from Ecuador, and has the stereotypical look: dark skin, brown eyes, black hair.Obviously, not

The closing and opening of stomatal guard cells involves

A. diffusion of sodium ions B. osmosis of water that swells and shrinks the cells C. bulk flow of sugar D. none of these-B.Guard cells are the gate keepers of the stomata. There are various environmen