Questão 1
Questão
Who used a compound microscope to see chambers within cork and named them cells?
Responda
-
Anton can Leeuwehhoek
-
Robert Hooke
-
Matthias Schleiden
-
Rudolf Virchow
Questão 2
Questão
The work of Schleiden and Schwann can be summarized by saying that
Responda
-
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
Questão 3
Questão
Which of the following is NOT a principle of cell theory?
Responda
-
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
Questão 4
Questão
The cell theory does NOT apply to
Responda
-
bacteria
-
plants and animals
-
mutlicellular organisms
-
rocks and soil
Questão 5
Questão
Electron microscopes can reveal details
Responda
-
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
Questão 6
Questão
Which type of microscope can produce three-dimensional images of a cell's surface
Responda
-
transmission electron microschope
-
scanning electron microscope
-
simple light microscope
-
compound light microscope
Questão 7
Questão
Colors seen in images made from elecron microscopes are
Questão 8
Questão
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
Responda
-
The cell lacks a cytoplasm
-
the cell lacks a cell membrane
-
the cell lacks a nucleus
-
the cell lacks genetic material
Questão 9
Questão
which of the following enclose their DNA in a nucleus?
Responda
-
prokaryotes
-
bacteria
-
viruses
-
eukaryotes
Questão 10
Questão
prokaryotes usually have
Responda
-
a nucleus
-
specialized organelles
-
genetic material
-
many cells
Questão 11
Questão
which of the following organisms are prokaryotes?
Responda
-
plants
-
animals
-
fungi
-
bacteria
Questão 12
Questão
Which of the following is the function of the nucleus?
Responda
-
stores DNA
-
stores sugars
-
builds proteins
-
packages proteins
Questão 13
Questão
Which of the following is NOT found in the nucleus?
Responda
-
mitochondria
-
nucleolus
-
chromatin
-
DNA
Questão 14
Questão
Which organelle breaks down organelles that are no longer useful?
Responda
-
Golgi apparatus
-
lysosome
-
endoplasmic reticulum
-
mitochondrion
Questão 15
Questão
Which of the following is a function of the cytoskeleton?
Questão 16
Questão
Which structure makes proteins using coded instructions that come from the nucleus?
Responda
-
Golgi Apparatus
-
mitochondion
-
vacuole
-
ribsome
Questão 17
Questão
Which sequence correctly traces the path of a protein in the cel?l
Responda
-
ribosome, endoplasmic reticulum, gogli apparatus
-
ribosome, endoplasmic reticulum, chloroplast
-
ribosome, gogli apparatus, endoplasmic reticulum,
-
endoplasmic reticulum, lysosome, golgi apparatus
Questão 18
Questão
which organelle would you expect to find in a plant cell but not in an animal cell?
Questão 19
Questão
the primary function of the cell wall is to
Questão 20
Questão
you will not find a cell wall in which types of organisms?
Responda
-
plant
-
animal
-
bacteria
-
fungi
Questão 21
Questão
which of the following structures serves as the cell's boundary from its environment?
Responda
-
cell membrane
-
mitochondrion
-
channel protein
-
chloroplast
Questão 22
Questão
The cell membrane contains channels and pumps that help move materials from one side to another. What are these pumps made of?
Responda
-
carbohydrates
-
lipids
-
bilipds
-
proteins
Questão 23
Questão
The diffusion of water across a selectively permeable membrane is called
Responda
-
active transport
-
passive transport
-
osmosis
-
osmotic pressure
Questão 24
Questão
which term descibes the relatively constant internal physical condition of an organism?
Responda
-
homeostasis
-
cell stabilization
-
unicellularity
-
organ system
Questão 25
Questão
which of the following is an example of an organ?
Responda
-
heart
-
nerve cell
-
epithelial tissue
-
digestive system
Questão 26
Questão
a group of similar cells that perform the same function are called
Responda
-
tissue
-
organ
-
organ system
-
division of labor
Questão 27
Questão
An organ system is a group of organs
Responda
-
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
Questão 28
Questão
Which list represents the simplest to most complex levels of organization in a multicellular organism?
Responda
-
cell, tissue, organ system, organ
-
cell, tissue, organ, organ system
-
organ, organ system, tissue, cell
-
tissue, organ, organ system, cell
Questão 29
Questão
organisms, such as plants, that make their own food are called
Responda
-
herterotrophs
-
autotrophs
-
thylakoids
-
pigments
Questão 30
Questão
organisms that cannot make their own food and must obtain from external sources are called
Responda
-
heterotrophs
-
autotrophs
-
thylakoids
-
pigments
Questão 31
Questão
which of the following organisms makes its own food from light energy from the sun?
Responda
-
mushroom
-
amoeba
-
leopard
-
oak
Questão 32
Questão
which of the following is a heterotroph?
Responda
-
mushroom
-
sunflower
-
wheat
-
algae
Questão 33
Questão
plants gather the sun's energy with light absorbing molecules called
Responda
-
pigments
-
thylakoids
-
chloroplasts
-
glucose
Questão 34
Questão
plants gets the energy they need for photosynthesis by absorbing
Responda
-
high energy sugars
-
chlorophyll a
-
chlorophyll b
-
sunglight
Questão 35
Questão
most plants appear green because chlorophyll
Questão 36
Questão 37
Questão
the stroma is the region outside of the
Responda
-
thylakoids
-
plant cells
-
chloroplasts
-
all of the above
Questão 38
Questão
photosynthesis uses sunlight to convert water and carbon dioxide into
Questão 39
Questão
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