7717519
Descripción
Test por kendra mendez, actualizado hace más de 1 año
|
Creado por kendra mendez
hace alrededor de 8 años
|
|
Pregunta 1
Pregunta
Who used a compound microscope to see chambers within cork and named them cells?
Respuesta
-
Anton can Leeuwehhoek
-
Robert Hooke
-
Matthias Schleiden
-
Rudolf Virchow
Pregunta 2
Pregunta
The work of Schleiden and Schwann can be summarized by saying that
Respuesta
-
all plants are made of cells
-
all animals are made of cells
-
plants and animals have specialized
-
all plants and animals are made of cells
Pregunta 3
Pregunta
Which of the following is NOT a principle of cell theory?
Respuesta
-
cells are the basic unit of life
-
all living things are made of cells
-
very few cells are able to reproduce
-
all cells are produced from existing cells
Pregunta 4
Pregunta
The cell theory does NOT apply to
Respuesta
-
bacteria
-
plants and animals
-
mutlicellular organisms
-
rocks and soil
Pregunta 5
Pregunta
Electron microscopes can reveal details
Respuesta
-
only in specimens that are still alive
-
about the different colors of cell structures
-
of cell structures only once they are stained
-
1000 times smaller than those visible in light microscopes
Pregunta 6
Pregunta
Which type of microscope can produce three-dimensional images of a cell's surface
Respuesta
-
transmission electron microschope
-
scanning electron microscope
-
simple light microscope
-
compound light microscope
Pregunta 7
Pregunta
Colors seen in images made from elecron microscopes are
Respuesta
-
true to life
-
the colors of electrons
-
added to make certain structures easier to see
-
added so scientists can trace living cells through the body
Pregunta 8
Pregunta
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
Respuesta
-
The cell lacks a cytoplasm
-
the cell lacks a cell membrane
-
the cell lacks a nucleus
-
the cell lacks genetic material
Pregunta 9
Pregunta
which of the following enclose their DNA in a nucleus?
Respuesta
-
prokaryotes
-
bacteria
-
viruses
-
eukaryotes
Pregunta 10
Pregunta
prokaryotes usually have
Respuesta
-
a nucleus
-
specialized organelles
-
genetic material
-
many cells
Pregunta 11
Pregunta
which of the following organisms are prokaryotes?
Respuesta
-
plants
-
animals
-
fungi
-
bacteria
Pregunta 12
Pregunta
Which of the following is the function of the nucleus?
Respuesta
-
stores DNA
-
stores sugars
-
builds proteins
-
packages proteins
Pregunta 13
Pregunta
Which of the following is NOT found in the nucleus?
Respuesta
-
mitochondria
-
nucleolus
-
chromatin
-
DNA
Pregunta 14
Pregunta
Which organelle breaks down organelles that are no longer useful?
Respuesta
-
Golgi apparatus
-
lysosome
-
endoplasmic reticulum
-
mitochondrion
Pregunta 15
Pregunta
Which of the following is a function of the cytoskeleton?
Respuesta
-
helps a cell keep its shape
-
contains DNA
-
surrounds the cell
-
helps make proteins
Pregunta 16
Pregunta
Which structure makes proteins using coded instructions that come from the nucleus?
Respuesta
-
Golgi Apparatus
-
mitochondion
-
vacuole
-
ribsome
Pregunta 17
Pregunta
Which sequence correctly traces the path of a protein in the cel?l
Respuesta
-
ribosome, endoplasmic reticulum, gogli apparatus
-
ribosome, endoplasmic reticulum, chloroplast
-
ribosome, gogli apparatus, endoplasmic reticulum,
-
endoplasmic reticulum, lysosome, golgi apparatus
Pregunta 18
Pregunta
which organelle would you expect to find in a plant cell but not in an animal cell?
Respuesta
-
mitochondrion
-
cholorplast
-
smooth endoplasmic reticulum
-
ribsosome
Pregunta 19
Pregunta
the primary function of the cell wall is to
Respuesta
-
support and protect the cell
-
store DNA
-
direct the activities of the cell
-
help the cell move
Pregunta 20
Pregunta
you will not find a cell wall in which types of organisms?
Respuesta
-
plant
-
animal
-
bacteria
-
fungi
Pregunta 21
Pregunta
which of the following structures serves as the cell's boundary from its environment?
Respuesta
-
cell membrane
-
mitochondrion
-
channel protein
-
chloroplast
Pregunta 22
Pregunta
The cell membrane contains channels and pumps that help move materials from one side to another. What are these pumps made of?
Respuesta
-
carbohydrates
-
lipids
-
bilipds
-
proteins
Pregunta 23
Pregunta
The diffusion of water across a selectively permeable membrane is called
Respuesta
-
active transport
-
passive transport
-
osmosis
-
osmotic pressure
Pregunta 24
Pregunta
which term descibes the relatively constant internal physical condition of an organism?
Respuesta
-
homeostasis
-
cell stabilization
-
unicellularity
-
organ system
Pregunta 25
Pregunta
which of the following is an example of an organ?
Respuesta
-
heart
-
nerve cell
-
epithelial tissue
-
digestive system
Pregunta 26
Pregunta
a group of similar cells that perform the same function are called
Respuesta
-
tissue
-
organ
-
organ system
-
division of labor
Pregunta 27
Pregunta
An organ system is a group of organs
Respuesta
-
made up of similar cells
-
made up of similar tissues
-
work together to perform all the functions in a multicellular organism
-
work together to perform a similar function
Pregunta 28
Pregunta
Which list represents the simplest to most complex levels of organization in a multicellular organism?
Respuesta
-
cell, tissue, organ system, organ
-
cell, tissue, organ, organ system
-
organ, organ system, tissue, cell
-
tissue, organ, organ system, cell
Pregunta 29
Pregunta
organisms, such as plants, that make their own food are called
Respuesta
-
herterotrophs
-
autotrophs
-
thylakoids
-
pigments
Pregunta 30
Pregunta
organisms that cannot make their own food and must obtain from external sources are called
Respuesta
-
heterotrophs
-
autotrophs
-
thylakoids
-
pigments
Pregunta 31
Pregunta
which of the following organisms makes its own food from light energy from the sun?
Respuesta
-
mushroom
-
amoeba
-
leopard
-
oak
Pregunta 32
Pregunta
which of the following is a heterotroph?
Respuesta
-
mushroom
-
sunflower
-
wheat
-
algae
Pregunta 33
Pregunta
plants gather the sun's energy with light absorbing molecules called
Respuesta
-
pigments
-
thylakoids
-
chloroplasts
-
glucose
Pregunta 34
Pregunta
plants gets the energy they need for photosynthesis by absorbing
Respuesta
-
high energy sugars
-
chlorophyll a
-
chlorophyll b
-
sunglight
Pregunta 35
Pregunta
most plants appear green because chlorophyll
Respuesta
-
absorbs green light
-
absorbs violet light
-
does not absorb green light
-
does not absorb violet light
Pregunta 36
Pregunta
a granum is a
Respuesta
-
stack of chloroplasts
-
stack of thylakoids
-
membrane enclosing the thylakoids
-
photosynthetic pigment molecule
Pregunta 37
Pregunta
the stroma is the region outside of the
Respuesta
-
thylakoids
-
plant cells
-
chloroplasts
-
all of the above
Pregunta 38
Pregunta
photosynthesis uses sunlight to convert water and carbon dioxide into
Respuesta
-
oxygen and carbon
-
high energy sugars and proteins
-
ATP and oxygen
-
oxygen and high energy sugars
Pregunta 39
Pregunta
in the overall equation of photosynthesis, 6 molecules of carbon dioxide and 6 molecules of water result in one molecule of sugar and six molecules of
Respuesta
-
glucose
-
water
-
oxygen
-
atp
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.