Liberty University BIOL 101 quiz 5 complete solutions correct answers key
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The nervous system interacts with the ___________ system to coordinate the internal integration of all the other body systems together.
The most common molecule in blood is:
Which structure within the brain has the role of generating emotions?
Signals from the nervous system cause muscles to contract. Such contraction only happens properly because the muscle cell membrane
Fluoxetine HCl affects synapses by
The role of the hepatic portal system is to:
Which of the following types of tissue helps to keep both our blood pressure regulated and our digestive processes effective?
Which of the following brain regions and their functions are improperly matched?
Which of the following is a type of neuron that receives a stimulus and transmits it to the central nervous system?
Which is not a sign or symptom of inflammation?
Your adaptive immune response has all of the following characteristics except that it is not
Which of the following is part of the human digestive system, correctly matched to the role it plays in the digestion process?
As a student runs up a flight of stairs, her integumentary system serves her by
The hepatic portal vein forms from capillary beds in ______________ and leads to a second set of capillary beds in ______________.
The function of the ureter is to
The calcium-binding protein in smooth muscle is _______; while the calcium-binding protein in skeletal muscle is ______.
The structure of a human neuron is made up of a
In the human immune system, the three general lines of defense are
As a student runs up a flight of stairs, the first system needed to support the activities of the muscular system would be the _________ system.
The function of the urinary bladder is to
In the basic structure of the human heart, blood first flows through the right atrium, then it travels to the:
Systolic blood pressure:
The most difficult aspect of evolving cell populations that can use ATP molecules in three different ways (as an energy source, a nucleic acid monomer, and a neurotransmitter) is
Cranial and spinal nerves of the peripheral nervous system serve
Alcohol has a pleasure-sensation-promoting effect in the synaptic cleft as a result of its ability to
What is the difference between a chemical gradient and an electrical gradient?
In the human immune system, the first line of defense includes
The pulmonary circulation
All of the following are systems of the body except
Tropomyosin’s role in muscle contraction is to
The elements in blood that carry oxygen are the
Which arrangement of organs represents the order in which food passes through the digestive system
Natural killer cells
Which body system is least likely to be directly involved with controlling levels of blood
Which of the following systems in the human body returns fluid from the body’s tissues to the general circulation and the heart
After blood flows through the left atrium, it travels to the
The left ventricle of the heart is larger because
In the human body, increased melatonin levels
A plant growing toward a source of light is exhibiting ____________ response.
Learning behavior differs from instinctive behavior in that learned behavior
As the tools we study are discovered to be highly responsive it becomes reasonable to assume that
An optimal site from which the hormone leptin should originate:
When an environmental change shifts an organism’s internal chemistry toward a new state, the organism’s response is to try to return its chemistry toward the original state. This tendency on the organism’s part is called
After a fly trips the sensory hair on the modified leaf of a Venus fly trap, what is the very next step in the closing process?
A plant’s response to directional light results in
In the human body, decreasing melatonin levels
How does a Venus fly trap close? Once expansin has weakened the cellulose in the walls of the leaf trap cells,
In the Venus Fly trap, how does the enzyme expansin help to close the trap?
A white-crowned sparrow taken from anywhere in the world will sing
The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of
The sequence of events in how a Venus fly trap closes is:
If a behavioral response to a given kind of stimulus changes with time the response is probably an example of
If a bog plant designed to catch insects proves unable to do so, the result will be
Homeostasis can be described as:
The human nervous system responds to daily alterations in light and darkness by
One effect of melatonin on the suprachiasmatic nuclei is that it
In the human body, melatonin supplementation is thought to help overcome the effects of
Peter Marler’s controlled experiments demonstrate learning in white-crowned sparrows. The learning is evidenced in their ability to
Which of the following is a molecular response by a cell to the hormone indole-3-acetic acid?
Which of the following is a molecular response a cell makes to the hormone indole-3- acetic acid?
In response to the hormone indole-3-acetic acid, a cell
In the lactose operon of E.coli, how does the repressor protein change its shape?
If a plant is in the shade and fails to grow in the direction of the sunlight nearby, it
In animals, a specific hormone
As opposed to instinctive behaviors, learned behaviors
Pick the false statement concerning auxins
Select the false statement: Melatonin has been found to
When the lactose operon is shut down
In the lactose operon of E.coli, how does the repressor protein turn on and off
Some of the members of the traditional medical community are reluctant to endorse melatonin as a dietary supplement because
If a white-crowned sparrow was sound isolated and exposed at the critical song formation time to two widely geographically separated songs of its own species, resulting in a mixed dialect, it would
If you came upon a half-buried red latex ball at the beach, which of its features would most lead you to suspect that it was a designed thing, not an evolved thing
How could we show that the suprachiasmatic nuclei control wakefulness and body temperature with a periodicity of 25 hours independent of the daily cycling of light
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