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WorksheetsAP Bio Review: Cell Transport, Signaling, and Intro Genetics
Total questions: 34
Worksheet time: 28mins
Name
Class
Date
1.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
2.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
3.
When cells are placed in a __________ solution they begin to swell.
a)
Hypertonic
b)
Isotonic
c)
Hypotonic
d)
Equalized
4.
Which form of active transport is being shown? (Inside of the cell is tan colored)
a)
Facilitated Diffusion
b)
Exocytosis
c)
Endocytosis
d)
Receptor-mediated endocytosis
5.
The difference in the concentration of a substance from one location to another is called
a)
diffusion
b)
osmosis
c)
concentration gradient
d)
passive transport
6.
If you looked at red blood cells under a microscope and saw the blood cells lysed (exploded), what would you say happened?
a)
The cells were placed in a hypotonic solution.
b)
the solution was isotonic.
c)
The solution was hypertonic.
d)
The cells are undergoing exocytosis
7.
What role do protein kinases serve?
a)
remove phosphate groups to deactivate enzymes
b)
inactivate cAMP to AMP
c)
add phosphate groups to activate enzyme's
d)
activate G proteins
8.
Which is not a part of a signal transduction pathway?
a)
response
b)
transcription
c)
transduction
d)
receptor
9.
Epinephrine (also known as adrenaline or adrenalin) is a hormone and a neurotransmitter. The model for the action of Epinephrine is shown below.
Which of the following molecules act as a second messenger in the cascade by which epinephrine stimulates the activation of the enzyme glycogen phosphorylase?
Which of the following molecules act as a second messenger in the cascade by which epinephrine stimulates the activation of the enzyme glycogen phosphorylase?
a)
Adenosine
b)
Adenylyl cyclase
c)
Citric acid
d)
Cyclic AMP
10.
Signal amplification is most often achieved by
a)
an enzyme cascade
b)
binding of multiple signals
c)
branching pathways
d)
action of adenylyl cyclase
11.
What is a phosphorylation cascade?
a)
travelling of hormones through the air
b)
travelling of hormones through the blood
c)
the removal of a phosphate
d)
a series of molecules that get phosphorylated
12.
when an individual produces gametes, the two copies of the gene separate, so that each gamete receives only one copy
a)
law of independent assortment
b)
law of segregation
c)
law of conservation of mass
d)
law of conservation of energy
13.
In peas, the trait for tall plants is dominant (T) and the trait for short plants is recessive (t). The trait for yellow seeds is dominant (Y) and the trait for green seeds is recessive (y).
A cross between two plants results in 292 tall, yellow plants and 103 short, green plants. What are the most likely genotypes of the parents?
A cross between two plants results in 292 tall, yellow plants and 103 short, green plants. What are the most likely genotypes of the parents?
a)
TtYY x Ttyy
b)
TTYy x TTYy
c)
TTyy x TTYy
d)
TtYy x TtYy
14.
If a stem cell has 24 chromosomes, how many will it have at the end of meiosis?
a)
24
b)
12
c)
6
d)
the number varies per species
15.
When does crossing over occur?
a)
Interphase
b)
Prophase 1
c)
Prophase 2
d)
Metaphase 1
16.
One of the main reasons genes assort independently of one another is that
a)
they produce unrelated traits
b)
they produce related traits
c)
they are on the same chromosome
d)
they are on different chromosomes
17.
Which of the following best describes meiosis?
a)
It is carried out in all tissues theat require cell replacement
b)
It occurs only in cells in the reproductive structures of an organism
c)
It happens in all of the tissues except the brain and spinal cord
d)
It is the first stage of mitosis
18.
Which statement correctly describes meiosis?
a)
cells divide only once
b)
meiosis does not occur in reproductive cells
c)
the cells produced at the end of meiosis are genetically identical to the parent cell
d)
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
19.
_______ regulates what enters and leaves a cell.
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
20.
Human immune cells can engulf bacteria to destroy them. This is an example of
a)
pinocytosis
b)
phagocytosis
c)
exocytosis
d)
acidosis
21.
What type of transport is this?
a)
Diffusion
b)
Osmosis
c)
Facilitated Diffusion
d)
Active Transport
22.
What type of transport is this?
a)
Endocytosis
b)
Facilitated Diffusion
c)
Active Transport Pump
d)
Osmosis
23.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
24.
What type of transmembrane receptor is being shown?
a)
gated ion channel
b)
G-protein receptor
c)
tyrosine kinase receptor
25.
Neurotransmitters are used in _____ signaling.
a)
synaptic
b)
paracrine
c)
juxtacrine
d)
endocrine
26.
The 3 steps of signal transduction in order are
a)
reception, transduction, response
b)
response, transduction, reception
c)
reception, response, transduction
d)
transduction, reception, response
27.
A signal molecule that binds to a plasma-membrane protein is a
a)
ligand
b)
second messenger
c)
protein kinase
d)
receptor protein
28.
What do second messengers do?
a)
transport a signal through the lipid bilayer
b)
relay a signal from the outside to the inside of the cell
c)
relay message from the inside of the mebrane throughout the cytoplasm
d)
dampen the message
29.
What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
30.
Crossing over is important because....
a)
It prevents mutations from entering the gametes.
b)
It allows for even distribution of chromosomes in the gametes.
c)
It allows for more genetic diversity of gametes.
d)
It allows for genetic uniformity of gametes.
31.
Which processes DOES NOT increase genetic variation as part of sexual reproduction?
a)
Crossing over
b)
Independent assortment (due to random orientation
c)
Gene mutation
d)
Random fertilization
32.
What does this picture show?
a)
2 chromosomes
b)
1 chromosome that has been replicated
c)
1 unreplicated chromosome
d)
A homologous pair of chromosomes
33.
One of two paired chromosomes, one from each parent. Each chromosome has the same length, centromere positiion, and contains the same type of inherited genes.
a)
homologous chromosomes
b)
chromatids
c)
centromere
d)
centrosome
34.
A cell’s DNA has become damaged beyond repair, the cell undergoes which of the following processes?
a)
cytokinesis
b)
signal transduction pathways
c)
exocytosis
d)
apoptosis
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