BIO 141 Exam 1 Newest Exam 2026 | All Questions
and Correct Answers | Verified Answers | Graded
A+ | Just Released
Which of the following is False with regard to hormones?
A)tropic hormone affect the secretion of other hormones
B)hormones stimulating a gland, stimulate both the secretions and growth of that
gland
C)thyroid hormone are the only hormones that contain iodine in their molecular
structure
D)all steroid hormones are derived, initially, from cholesterol
E)(NONE OF THE ABOVE ARE FALSE STATEMENTS) ---------CORRECT ANSWER--------
---------(NONE OF THE ABOVE ARE FALSE STATEMENTS)
A channel that is uncontrolled(ungated) us referred to as
A) a free channel B)a gaping channel C)a leak channel D)a through channel E)a
hoax, these do not exist ---------CORRECT ANSWER-----------------A leak channel
Exocytosis always requires ATP no matter what the concentration gradient is of
the substance being moved
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
,When progesterone and the estrogens work together to stimulate the
development of the uterine lining in a mutually beneficial response we call this
hormonal relationship
A)antagonistic B)reactionary C)complimentary D)permissive E)synergistic ---------
CORRECT ANSWER-----------------Synergistic
Both cortisol and glucagon act to increase blood sugar levels
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
Which of the following is NOT a means by which a hydrophilic signal can affect a
cell?
A) elicit a 2nd messenger system B)open a channel C)direct DNA transcription
D)active a receptor enzyme E)none of the above, these are all ways. hydrophilic
ligand can signal a cell ---------CORRECT ANSWER-----------------direct DNA
transcription
Metabolism is
A) the sum of all the ATP a cell contains B)the sun of all the vitamins a cell
contains C)the sum of all the chemical reaction that a cell carries out D)the sum of
all the energy a cell uses E) the sum of all the DNA a cell contains ---------CORRECT
ANSWER-----------------the sum of all the chemical reactions that a cell carries out
Exocrine glands always secrete their substance through a duct on to the surface of
an epithelial layer
,TRUE OR FALSE ---------CORRECT ANSWER-----------------True
Which of the following are means of direct communications?
A) autocrine communication B)gap junctions C)transient linkages D)A&B E)B&C ---
------CORRECT ANSWER-----------------gap junctions and transient linkages
Which of the following are considered excitable tissues
A)epithelial B)muscle C)nervous D)A&B E)B&C ---------CORRECT ANSWER-------------
----Muscle and nervous
In addition to inhibiting Growth Hormone, Growth Hormone Inhibiting Hormone
also inhibits
A)adrenocorticosteriod hormone B)thyroid stimulating hormone C)prolactin
D)melatonin E)none of the above, GHIH only inhibits GH ---------CORRECT
ANSWER-----------------Thyroid stimulating hormone
The junctions found between most epithelial cells, ensuring that molecules must
be moved through and not between cells to cross the barrier, specifically called
"tight junctions"
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
, If an increase in local CO2 levels is the stimulus for a local negative feedback
mechanism, the response will be ____ in the local CO2 concentration
A) an increase B) a decrease C)no change ---------CORRECT ANSWER-----------------
Decrease
A blood test showing very high thyroid stimulating hormone(TSH) levels and
extremely low to no thyroid hormone (TH) would be consistent with iodine
deficiency
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
Molecules that can be stored within vesicles must be either very large and/or
A)non polar B)hydrophilic C)hydrophobic D)A&B E)A&C ---------CORRECT ANSWER-
----------------Hydrophilic
Which of the following is FALSE with regard to cortisol?
A)it acts as an anti-inflammatory
B)it is a steroid hormone
C)it is immunosuppressive
D)it is stimulated through the hypothalamus-pituitary axis
E)(NONE OF THE ABOVE ARE FALSE,THESE ARE ALL TRUE) ---------CORRECT
ANSWER-----------------(NONE OF THE ABOVE ARE FALSE,THESE ARE ALL TRUE)
and Correct Answers | Verified Answers | Graded
A+ | Just Released
Which of the following is False with regard to hormones?
A)tropic hormone affect the secretion of other hormones
B)hormones stimulating a gland, stimulate both the secretions and growth of that
gland
C)thyroid hormone are the only hormones that contain iodine in their molecular
structure
D)all steroid hormones are derived, initially, from cholesterol
E)(NONE OF THE ABOVE ARE FALSE STATEMENTS) ---------CORRECT ANSWER--------
---------(NONE OF THE ABOVE ARE FALSE STATEMENTS)
A channel that is uncontrolled(ungated) us referred to as
A) a free channel B)a gaping channel C)a leak channel D)a through channel E)a
hoax, these do not exist ---------CORRECT ANSWER-----------------A leak channel
Exocytosis always requires ATP no matter what the concentration gradient is of
the substance being moved
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
,When progesterone and the estrogens work together to stimulate the
development of the uterine lining in a mutually beneficial response we call this
hormonal relationship
A)antagonistic B)reactionary C)complimentary D)permissive E)synergistic ---------
CORRECT ANSWER-----------------Synergistic
Both cortisol and glucagon act to increase blood sugar levels
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
Which of the following is NOT a means by which a hydrophilic signal can affect a
cell?
A) elicit a 2nd messenger system B)open a channel C)direct DNA transcription
D)active a receptor enzyme E)none of the above, these are all ways. hydrophilic
ligand can signal a cell ---------CORRECT ANSWER-----------------direct DNA
transcription
Metabolism is
A) the sum of all the ATP a cell contains B)the sun of all the vitamins a cell
contains C)the sum of all the chemical reaction that a cell carries out D)the sum of
all the energy a cell uses E) the sum of all the DNA a cell contains ---------CORRECT
ANSWER-----------------the sum of all the chemical reactions that a cell carries out
Exocrine glands always secrete their substance through a duct on to the surface of
an epithelial layer
,TRUE OR FALSE ---------CORRECT ANSWER-----------------True
Which of the following are means of direct communications?
A) autocrine communication B)gap junctions C)transient linkages D)A&B E)B&C ---
------CORRECT ANSWER-----------------gap junctions and transient linkages
Which of the following are considered excitable tissues
A)epithelial B)muscle C)nervous D)A&B E)B&C ---------CORRECT ANSWER-------------
----Muscle and nervous
In addition to inhibiting Growth Hormone, Growth Hormone Inhibiting Hormone
also inhibits
A)adrenocorticosteriod hormone B)thyroid stimulating hormone C)prolactin
D)melatonin E)none of the above, GHIH only inhibits GH ---------CORRECT
ANSWER-----------------Thyroid stimulating hormone
The junctions found between most epithelial cells, ensuring that molecules must
be moved through and not between cells to cross the barrier, specifically called
"tight junctions"
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
, If an increase in local CO2 levels is the stimulus for a local negative feedback
mechanism, the response will be ____ in the local CO2 concentration
A) an increase B) a decrease C)no change ---------CORRECT ANSWER-----------------
Decrease
A blood test showing very high thyroid stimulating hormone(TSH) levels and
extremely low to no thyroid hormone (TH) would be consistent with iodine
deficiency
TRUE OR FALSE ---------CORRECT ANSWER-----------------True
Molecules that can be stored within vesicles must be either very large and/or
A)non polar B)hydrophilic C)hydrophobic D)A&B E)A&C ---------CORRECT ANSWER-
----------------Hydrophilic
Which of the following is FALSE with regard to cortisol?
A)it acts as an anti-inflammatory
B)it is a steroid hormone
C)it is immunosuppressive
D)it is stimulated through the hypothalamus-pituitary axis
E)(NONE OF THE ABOVE ARE FALSE,THESE ARE ALL TRUE) ---------CORRECT
ANSWER-----------------(NONE OF THE ABOVE ARE FALSE,THESE ARE ALL TRUE)
