ACTUAL Exam Questions and CORRECT
Answers
_____ science accurately describes natural structures and processes, involves individual
reasoning - CORRECT ANSWER - discovery
____ based science seeks natural causes and explanations for observations, and involves _____ -
CORRECT ANSWER - hypothesis and deductive reasoning
bios=___ and logos=___ - CORRECT ANSWER - life and science
What are life characteristic properties? (7 characteristics) - CORRECT ANSWER -
organization, energy use and metabolism, homeostasis, sensing/ response to stimuli, movements,
reproduction/development and growth, evolution
put the listed in order of organization smallest to largest:
organ, organ system, organelle, macromolecule, cell, population, organism, biosphere,
ecosystem, community, molecule, atoms, molecule, tissue organelle - CORRECT ANSWER -
atoms, molecule, macromolecule, organelle, cell, tissue, organ system, organ, organism,
population, community, ecosystem, biosphere
a sheet of endothelial cells make up a ____ - CORRECT ANSWER - capillary
energy flows from ____ to ____ to ____ to ____ to ____ - CORRECT ANSWER - sun to
producers to consumers to decomposers to environment
chemical compounds, reaction mechanisms, organisms and cells are all part of the ____ -
CORRECT ANSWER - unity of life
,There are ____ morphologically distinct cell types in the human body - CORRECT
ANSWER - 200
fundamental parameters of light microscopy - CORRECT ANSWER - magnification,
resolution
1850 microscopic investigation led to the ____, fundamental unit of life is a _____, hint: every
organism is made of these - CORRECT ANSWER - Cell Theory and cell
____ is the ratio of an objects image size to its real size hint: dependent on lenses - CORRECT
ANSWER - magnification
____ is the minimum distance between two points where they can be seen as separate points.
hint: dependent on wavelength of light - CORRECT ANSWER - resolution (resolving power)
List 4 structural units all cells have - CORRECT ANSWER - plasma membrane, cytoplasm
and DNA region, ribosomes
____ are cells without cell nucleus, like archaebacteria and eubacteria. Simple structures and no
bound organelles - CORRECT ANSWER - prokaryotes
____ are cells with cell nucleus, like animals and plants. bound organelles - CORRECT
ANSWER - eukaryotes
list all organelles in eukaryotes cells - CORRECT ANSWER - nucleus, cytomembrane system
(endomembrane system), endoplasmic reticulum, golgi bodies, vesicles, mitochondria
The _____ is part of a cell that has chromatin, chromosomes are condensed chromatin,
replication of DNA by transcription, and is the control center of cell - CORRECT ANSWER -
nucleus
, ____ controls lipid synthesis and protein modifications - CORRECT ANSWER - endoplasmic
reticulum
____ transports and breakdown material - CORRECT ANSWER - vesicles
____ is in charge of respiration, power plants - CORRECT ANSWER - mitochondria
List organelles of plant cells - CORRECT ANSWER - plastids, chloroplasts, amyloplasts
(leucoplasts), central vacuole
____ is the production site of rRNA, assembly of ribosomal subunits - CORRECT
ANSWER - nucleolus
____ has double membrane made of lipid bilayer, nuclear pores formed by protein complex -
CORRECT ANSWER - nuclear envelope
____ is a membrane-less complex in cytoplasm, composed of two subunits rRNA and multiple
proteins - CORRECT ANSWER - ribosome
____ has the production of lipids, modifies proteins, and sorts and ships - CORRECT
ANSWER - cytomembrane system
There are no ribosomes in the ____. It is also the main site of lipid synthesis. Hint: sometimes in
the liver there is detoxification, and in the muscle there is storage and release of Ca2+ -
CORRECT ANSWER - smooth endoplasmic reticulum
____ is covered with ribosome, proteins with signal sequence enter and get modified
(glycosylated) - CORRECT ANSWER - rough endoplasmic reticulum
____ is the next step for proteins and lipids en route to final destination, more modifications,
sorting and packaging into vesicles - CORRECT ANSWER - golgi apparatus