In the human alimentary canal, starch is broken down by amylase. The pH of the alimentary canal varies batween pH 2 and pH 8.5.
My question is how we can ivestigate the effect of pH on the activity of the amylase.
thank you.
i just want to know, does the lens which present in the eye consider as living or non-living ?
please can u provide me with a proper explanation.
thenk you
The reflex action
i know that the reflex action divided into two types 1.voluntary reflex action and 2.involuntary reflex action.
but my question was :
(What is the different between the involuntary action and the reflex action)
that is what i want to know, or maybe i understood it wrong...
the nervous system
Dear sir,
i would like to thank you for your answers , and i know that i ask too many questions, but what can i do, whenever you answer my questions another question come out. So excuse me for that. And again i thank for your patient and your brilliant answers.
i have...
i have certain questions related to the eye, which are need to be answer if possible:
1. how does the conjuctiva protects the cornea?
2. does the vitreous humour and the sclera have the same function?
(because i read in one book that the function of the vitreous humour is to maintain the...
Dear Sirs,
i need your help in this question, truthly i can't solve it. so kindly asking you to send me an answer with proper explanation if possible.
the question is:
an air bubble has a volume of 2.5 cm3 when released at a depth of 40m in water. What will its volume be when it reches...
Dear Sir,
this an interruptions i would like to share and discuss with you.
1.is right that the main reason behind an earthquake is the plate's movements?
is there any reason other than the one which mentioned above.
2.i want i full explanation for the earthquake that occurred in...
emulsification of fat
Dear Sirs,
i would like to thank you for answering my previous question.
i have 2 more questions that i need an answer for it:
1. i need a proper definition for the term "emulsification" of fat
2. i want a proper distinguish between the artery and the vein in...
hydrogen peroxide decomposes to form water and oxygen. Its a slow rate of reaction and it takes time to decompose. So we faster the rate of reaction by adding manganese oxide which is a catalyst its function is to faster the rate of reaction .
my question is if we doubled the amount of MnO2...
Dear Sirs,
i would like to now exactly the role of these two substances in the process of fat digestion.
1. bile
2.lipase
thank you for this lovely site, and i appreciate your kindness and generous to answer me this simple question which confused me a lot.
with my regards