Biology

Which of the following characteristics do both humans and birds share

A - A thoracic cavity B - A coelom C - An internal skeleton D - Internal temperature regulation E - All of the above-easy all of the above, E

Ribs don't do a very good job of protecting our organs

Many murder mysteries feature a corpse with a dagger through its ribs; obviously, the ribs do not do a perfect job of protecting the organs inside them. Better protection could be provided by a solid

Nerves that form a large aggregation - Quarter Quiner (spell?)

Moving down the spinal column, at the bottom of the cord, the lower nerves form a large aggregation called the Quarter Quiner? I heard this in lecture, but I dont know how to spell the word. The ter

What structure is formed from a phosphate unit, a ribose, and uracil? (multiple choice)

if you google nucleic acids:blueprints of life youll see the structure. Its question one of post lab questions. The three possible answers are an amino acid base, portion of messanger RNA, or deoxyr

Online Onion Root Tips - Mitosis

I understand Mitosis completely but no matter how hard I try, I cannot decipher which phase each cell is in in this first picture: http://www.biology.arizona.edu/cell_bio/… Its just so small and fad

What are casein particles? FIRST GETS BEST

particles that clot blood It is also extracted from milk when the milk is mixed with an acid.

Which characteristic below would be specific to attack a pathogenic bacteria and not attack a pathogenic virus

A - It will cause a specific immune response B - It must invade a cell to reproduced C - It must be able to cause illness in the host organism D - It is eurkaroytic E - It can be killed by antibiotics

Suppose your brain were protected only by a set of bones with openings between them, like the ribs

Would this be satisfactory? Thanks in advance!-Only if you dont mind a little thing called brain damage. The ribs work well because when they break, they typically dont pierce a lung or heart. Maybe

Biology or Business major

Im about to finish my freshman year in college, and Im currently undecided. I recently decided on doing a Bio major, pre-optometry. Now, Im wondering if I should switch to business (completely diffe

Describe the process of speciation.

include factors that may contribute to the maintenance of genetic isolation.-Speciation occurs when populations of organisms become reproductively isolated from each other. Two or more new sister spec

Biology question that has to do with evolution

Give an example of evidence for evolution in each of the following: a. structural adaptation b. physiological adaptation c. fossils d. homologous structure e. analogous structure f. vestigial structu

What mechanism explains the movement of sucrose from source to sink

a.evaporation of water and active transport of sucrose from the sink. b.osmotic movement of water into the sucrose loaded sieve-tube elements, creating a higher perssure in the source than in the sin

What can increase testosterone levels in the teenage body

Puberty and exercise.-Testosterone injections.

When the color brown is in front of me, Why is it that I see green

Im wondering by chance if I could be colorblind. I also have these bright shoes that are Blue with orange, pink, and supposably yellow polka dots. I think that the yellow is green. I would really like

Can women feel the thickness of their uterline lining

I am asking because Biology textbooks keep telling us what happens with the uterline lining during the period, but in fact could the women feel that themselves? I hope that the question is not going