Exam One Flashcards
Starch is?
A complex carbohydrate
pH is?
a measurement of (H) ion concentration
which of the following particles of an atom are negatively charged and rotate around the nucleus?
electrons
the core of the atom contains?
protons and neutrons
which of the following is not a genetic material
vitamin
which of the following is a biological system and is made of several types of tissues
organ
which of the following is not a characteristic of non living things
the have at least one of more cells
which of the following is directly associated with deductive or inductive reasoning
conclusion
a hypothesis made based on previous observations may help to
design experiments to test your observations
a scientific method includes all of the following except
hesitation
Which group includes the simplest of organisms that do not have a nucleus?
bacteria
Biologists divided all living organisms into
3 domains
Which one distinguishes living things from nonliving?
adaptation to a new environment
Which one is a reproductive process?
cell division
The process of passing genetic information from generation to generation is?
works only for few living things
____ is a characteristic of all living things (single cell or multicellular) to maintain stable internal conditions
homeostasis
A hypothesis is best described as
a logical explanation that can be tested
In science, which of the following has the most general acceptance
experimentation
Group of similar cells that act as functional unit at the most basic level are called
tissue
Biological study brought about
vaccination for diseases
Which of the following is not directly related with the study of life?
astronomy
is a scientific process of gathering data before hypothesis is made
observations
An experimental group is
the same as control group
What are the products in this chemical reaction? C6H12O6 + 6O2 à 6CO2 + 6H2O
C6H12O6 + 6O2
Which subatomic particle(s) is(are) located in the center of an atom (nucleus)?
neutrons and protons
Which one of the following is a molecule?
a. O2
b. H2O
c. CO2
d. all of the above
all of the above
. A covalent bond is
the attraction that one atom has for another atom
Attraction between differently charged ions forms ____bond
ionic
Polymers of organic molecules can be reduced into monomers by
hydrolysis
The correct symbol for a hydrogen ion is
a. OH-/>/>
b. H
c. H+
d. OH+/>/>
C
Lemon juice has very high concentration of [H+], it is
acidic
Triglyceride refers to
fat
Which of the following is green-colored pigmented organelle?
chlorophyll
The cell organelle that is involved in the synthesis of proteins is
ribosome
osmosis is
net movement of water across selective membrane
