KAREN A. EVANGELISTA II-BS CHEMISTRY-A
Old vs. New Approach: Development of Quantitative Analysis from Classical
Gravimetric method of analysis is a conventional or classical way of identification of
an analytes mass. According to
Concentration of Unknown
sr (standard error in y)
y bar (avg. absorbance)
sc (std. deviation in c)
is a chemical signal that is
secreted into the circulatory system and
communicates regulatory messages
within the body.
Hormones may reach all parts of the
body, but only certain types of cells,
BIOCHEMISTRY LABORATORY PRACTICE EXPERIMENT 4:
Assessment of salivary amylase optimal pH
Into the eight test tubes, pipette series of buffering solutions with pH in intervals of 5 8 pH
by means of different quantity 0,2 mol.l-1 Na2HPO4 and 0,1
ability to respond to environmental
stimuli is a fundamental property of life.
celled organisms respond in a simple
way e.g. avoiding a noxious substance.
The evolution of multicellularity required
HEREDITY & HUMAN AFFAIRS
What are Enzymes?
Enzymes comprise largest & most diverse
group of PROTEINS.
Act as biological catalysts cause or
accelerate chemical reactions by lowering
the Energy of Activation (E
All organisms require energy to maintain their
The ultimate source of energy is the sun.
Green plants utilize energy in sunlight to make
A few autot
The Immune System
An animal must
defend itself from
pathogens it may
encounter in the
The Immune System
A host is susceptible to a parasite if it cant
eliminate a parasite before it becomes
was used to describe such fragrant
substances as benzaldehyde (from cherries,
peaches, and almonds), toluene (from Tolu
balsam), and benzene (from coal distillate).
refer to the class of compounds that contain
are hydrocarbons that contain a carbon
carbon triple bond.
has four fewer hydrogens than the
the general molecular formula for an acyclic
CnH2n-2 and that for a
cyclic alkyne is CnH2n-4
(noncyclic) alkyne is
Whatever happened to Mary Jane Veloso?
conjugations by Lila Ramos Shahani (philstar.com)
About a year ago, the case of Mary Jane Velosoconvicted in Indonesia for drug
trafficking after she had obviously been set upexploded in the news. V
CHAPTER 7- Paris to Berlin
Rizal, after finishing his studies in Central University of Madrid, who was
already a physician at the age of 24, went to Paris and Germany in order to
specialize in ophthalmology. The reason why he chose this branch of medicine
Losing a friend.
To the nights that haven't ended; to the tears that were
neglected; and to the love that was never repelled. I give to you
the blessing of the sorrowful, the forbearance of the wise; and
the fruit of despair: melancholy. For what it was,
S1: "Outing." Sentence needs to be expounded with proper
subject-verb agreement. It's too bland and lacks sufficient thought.
S1: "As being personal." answer lacks thought and far from
the context when asked, "What is the sig
"THE CHOICE": A Formalistic Review
Amor Vincit Omnia. The unforeseen will that dwells in the
deepest core of the heart; an embrace as a warm as the hearth in an
humble abode; the beautiful echoing melody that resounds in the
hearts of whomever may find it
In linguistics, a gapfiller is a sound or word
that is spoken in conversation by one participant to
signal to others that he/she has paused to think
but is not yet finished speaking. Different
languages have different characteristic filler
I. Transverse Wave
1. Name the Highest Point on a Transverse Wave
2. Name the Lowest Point on a Transverse Wave
3. In a transverse wave
a. particles move back and
Buwan, Buwan Hulugan Mo Ako ng
Feminist Literary Criticism
All women believe in that epistemology: the egalitarian movement of
women across the world of being treated fairly and just. It is the greatest
misconception of a man to think of
1. "Because I love doing it."This leaves the question "why has it become your hobby?"
hanging in the air as it hasn't been directly answered.
2. "It helps me as a person because it."Sentence fragment; "It helps me to improve
Hydrocarbons that contain a carbon
carbon double bond
Many of the flavors and fragrances
produced by certain plants also belong
to the alkene family.
Molecular Formula and the Degree
the general molecular formula for acycl