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Cells
Cells
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A #biology #test over #cells
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Questions
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1
A person sweats during exercise to maintain a constant internal temperature. An example of
homeopathic
equalization
homeostasis
stabilization
2
Robert Hooke discovered...
all plants are composed of cells
cells, by viewing a cork with a microscope
all animals are composed of cells
all cells come from pre-existing cells
3
A characteristic of a prokaryotic cell is..
the method of cellular respiration
the method of movement
the composition of the cell membrane
absence of a membrane-bound nucleus
4
Which will most likely occur when a cell is immersed in a hypotonic solution?
cell will shrink
water will be released from inside the cell
cell will become swollen
water will go into the cell
5
What type of cell is this?
nerve cell
bone cell
skin cell
muscle cell
6
List the organizational levels from largest to smallest.
atom. molecule. organelle. cell.
cell. organelle. molecule. atom.
organelle. cell. molecule. atom.
atom. molecule. cell. organelle.
7
Anton Van Leeuwenhoek discovered...
all animals are composed of cells
living organisms in pond water and milk
all plants are composed of cells
cells, by viewing a cork with a microscope
8
A cell from heart muscle would most likely have an unusually high proportion of..
mRNA
lysosomes
mitochondria
Golgi bodies
9
Theodore Schwann discovered...
cells, by viewing cork with a microscope
all animals are composed of cells
all plants are composed of cells
living organisms in pond water and milk
10
Sodium ions are "pumped" from a region of lower concentration to a higher concentration
passive transport
active transport
diffusion
osmosis
11
When you have an open abrasion, what feedback will your body initialize to heal?
neutralization feedback due to pathogen destruction
detoxification feedback due to the removal of blood
positive feedback due to platelet production
negative feedback due to the damaged epidermis
12
The discoveries of scientists such as Robert Hooke, Virchow, and Schleiden led to what theory?
Endosymbiont Theory
Precambrian Theory
Biochemical Theory
Cell Theory
13
List the order of biological organization from smallest to largest
population. organism. community. ecosystem.
population. organism. ecosystem. community.
organism. community. population. ecosystem.
organism. population. community. ecosystem.
14
What characteristic defines this organism as eukaryotic?
ability to respond
irregular shape and size
presence of membrane-bound organelles
ability to move
15
Water moves freely across a cell membrane by..
meiosis
osmosis
endocytosis
exocytosis
16
Why does the rate of respiration and circulation increase during intense aerobic activity?
Muscle tissue deplete its oxygen, resulting in increased CO2
Lung tissue need more CO2 to deliver Oxygen to muscle tissue
the oxygen needed to exercise lowers due to CO2 increase
CO2 lower during exercise due to large amount of oxygen used
17
Which of the following structures is most complex?
Tissue
Organ System
Organ
Cell
18
which of the following set of 2 substances are found in most cell membranes?
amino acids and nucleotides
DNA and ATP
lipids and proteins
starch and calcium
19
What organelle is present in plant cells, but not in animal cells?
mitochondria
nucleus
chloroplast
vacuole
20
An increase number of ribosomes along the endoplasmic reticulum suggests that..
protect against disease
store excess material
produce energy
synthesize protein
21
Rudolf Virchow discovered that...
the cell is the basic unit of structure and function
all plants are composed of cells
all cells come from the division of pre-existing cells
all living things are composed of cells
22
When an animal cell is immersed in a hypertonic solution, it will...
expel water
not change
grow
take in water
23
What type of transport requires no energy, is aided by a protein embedded in the cell membrane?
facilitated diffusion
diffusion
active transport
osmosis
24
Which organelle packages the proteins that the cell secretes?
cell membrane
lysosome
golgi apparatus
cytoskeleton
25
Matthias Schleiden discovered...
all cells come from the division of pre-existing cells
all animals are composed of cells
all plants are composed of cells
living organisms in pond water and milk
