Biology

Describe the spinal cord, including location, length, width and limits.

the one im unsure about most is the limit?-spinal chord pretty much contains the nervous system. location, *neck, middle of back, to coccyx * length .. base of skull to the coccyx. Length of human s

Question about Homo sapiens and Homo idaltu

I might be really mistaken but Im really curious. So, as far as I know, some animals can interbreed even though theyll produce infertile offspring, like horses and donkeys, bobcats and domestic cats,

I have got red color colonies on TSA plate and it is gram negative.

It is positive in following reactions. indole, hydrolysis, phenol red, catalese.-I dont have my Bergeys reference manual with me but Serratia marcescens is sometimes red pigmented, always gram-negativ

Explain the importance of T lymphocytes in immunity

There are 2 main types of T-cells.They are classified based on their CD gene, which determines their function.The two types are CD4 or helper T-cells, and CD8 or killer T-cells. When a CD4 T-cells T-

The rate of impulse conduction is greater in what type of fibers? In type A, B

The rate of impulse conduction is greater in what type of fibers? In type A, B or C fibers.-A is the fastest because the diameter is large and its mylinated (transmits proprioception; balance. Aalpha

Grade 11 biology question!!

complete the following ribosome: cell organelle:? function:? chloroplast: cell organelle:? function:? cilia: cell organelle:? function:? lysosome: cell organelle:? function:? cell membrane: cell

How do antibodies and T-cell receptors differ in detecting and responding to an antigen

can someone please help me with this question asap!!!! it will be much apreciated!!!-B cell (antibodies-B cell receptor) will bound directly to the antigens epitope, while T cell(T cell receptor) wil

Grade 11 biology!!! HELP PLEASE!!!

classify each of the following molecules as carbohydrate,protein,lipid,or nucleic acid olive oil RNA sucrose hemoglobin amylase glycogen ear wax cellulose-olive oil- lipid RNA- nucleic acid sucrose- c

Difference between catalytic and regulatory subunit in a protein

How are they functionally different?Does structure define whether theyre catalytic or regulatory?-Proteins are sometimes made up of several domains (subunits) with different functions.A catalytic subu

How to straight our backbone...

Hi...I am 16 years old... my backbone is sightly bent i mean its not straight enough... can you suggest me ways to make it straight and hard i mean strong. thank you-I have scoliosis (I am guessing th

Whr i can get the structure of the MHC class III

Several structurally and functionally diverse proteins are encoded with the third region of the MHC.These molecules include several complement components include C2, C4a, C4b and factor B, two steroid

A wolf hears a human screaming and drowning how would it react

Just as I asked.-Most likely, it would run. Wolves are very shy. It probably would not recognize that the human was in trouble, it would just be spooked by the loud noise and splashing.

Anatomy and physiology questions? help

Matching 1.)A neuroglial cell? 2.) unmyelinated neurons 3.)change of charge + to - inside neuron 4.) subarachnoid space 5.) named for the bone it underlies A. CSF B.oligodrndricite C.Sensory neur

What mutation do i have

i have one blue eye and one eye that is half blue and half brown im in biology now and i know it has to be either codominance or incomplete dominance but i do not know which one can someone tell me

Bio lab question. Plasmid isolation and gel electrophoresis analysis

What is the point of doing plasmid isolation and after you have finished the gel electrophoresis how do you confirm that you have successfully isolated the plasmid. note: we added plasmids to e. coli