1|Page
BIO 141 EXAM 1 LATEST 2026-2027 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
What hormone stimulates the release of IGFs from the liver?
A)Thyroid stimulating hormones B)testosterone C)thyroid
Hormone D)growth hormone E)prolactin - ANSWER-Growth
hormone
)Which of the following specialized cell junctions is characterized
by being very strong and allowing for significant stretch? A)gap
junctions B)desmosomes C)resilient junctions D)tight junctions
E)adherence zones - ANSWER-Desmosomes
The secretion of growth hormone typically peaks during daily
physical activity
TRUE OR FALSE - ANSWER-False
Hormone H is derived from the amino acid tyrosine, typically
binds to a membrane receptor and then elicits a 2nd messenger
system. Hormone H is a
,2|Page
A) thyroid hormone B)catecholamine C)steroid D)peptide E)not
enough enough is provided to determine the class of hormone -
ANSWER-Catecholamine
What law of thermodynamics helps someone with a low metabolic
rate also tends to have a relatively low body temperature
A)1st law B)2nd law C)3rd law D)4th law - ANSWER-The 2nd law
Aldosterone, which is involved with sodium balance is produced
by the
A)anterior pituitary B)hypothalamus C)kidney D)adrenal cortex
E)adrenal medulla - ANSWER-Adrenal cortex
cAMP(cyclic AMP) is an example of
A)receptor B)ligand C)second messenger D)energy source
E)hormone - ANSWER-Second messenger
Thyroid hormone can not be produced and then stored for later
secretion
TRUE OR FALSE - ANSWER-False
,3|Page
Which of the following is FASLE with regard to a gas's rate of
diffusion
A)an increase in the concentration gradient of a gas will increase
its rate of diffusion B)a gas with a higher molecule should diffuse
faster than a lighter gas C)increasing the surface area for
diffusion increases the rate of diffusion D)the greater the Lopid
solubility of a gas, the faster that gas should diffuse across a
membrane E)none of the above, all are true with regard to gas
diffusion rates - ANSWER-A gas with a higher molecular rate
should diffuse faster than a lighter gas
Which of the major ions used in cellular communication will have
a net flow out of the cell when it's channels are open
A)NA+ B)K+ C)CA++ D)CL- E)A&B - ANSWER-K+
Homeostasis is primarily achieved through positive feedback
mechanism.
TRUE OR FALSE - ANSWER-False
, 4|Page
When blood pressure suddenly rises and stretches the walls of an
arteriole--the smooth muscles of that arteriole will automatically
contract keeping the blood flow and pressure downstream from
increasing too much. This is an example of
A)introspective control B)intrinsic control C)extreme control
D)extrinsic control E)intelligent control - ANSWER-intrinsic control
Which of the following hormone is NOT released from the anterior
pituitary?
A)adrenocorticotropic hormone B)calcitonin C)probation
D)melanocyte stimulating hormone D)growth hormone -
ANSWER-Calcitonin
Blood, glands, and bone are all considered connective tissues
TRUE OR FALSE - ANSWER-False
Simple sugars are joined to form polysaccharides by means of
A)dehydration synthesis B)hydrogenation C)dehydration
D)hydrolysis E)hydrogen bonds - ANSWER-Dehydration
synthesis
BIO 141 EXAM 1 LATEST 2026-2027 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
What hormone stimulates the release of IGFs from the liver?
A)Thyroid stimulating hormones B)testosterone C)thyroid
Hormone D)growth hormone E)prolactin - ANSWER-Growth
hormone
)Which of the following specialized cell junctions is characterized
by being very strong and allowing for significant stretch? A)gap
junctions B)desmosomes C)resilient junctions D)tight junctions
E)adherence zones - ANSWER-Desmosomes
The secretion of growth hormone typically peaks during daily
physical activity
TRUE OR FALSE - ANSWER-False
Hormone H is derived from the amino acid tyrosine, typically
binds to a membrane receptor and then elicits a 2nd messenger
system. Hormone H is a
,2|Page
A) thyroid hormone B)catecholamine C)steroid D)peptide E)not
enough enough is provided to determine the class of hormone -
ANSWER-Catecholamine
What law of thermodynamics helps someone with a low metabolic
rate also tends to have a relatively low body temperature
A)1st law B)2nd law C)3rd law D)4th law - ANSWER-The 2nd law
Aldosterone, which is involved with sodium balance is produced
by the
A)anterior pituitary B)hypothalamus C)kidney D)adrenal cortex
E)adrenal medulla - ANSWER-Adrenal cortex
cAMP(cyclic AMP) is an example of
A)receptor B)ligand C)second messenger D)energy source
E)hormone - ANSWER-Second messenger
Thyroid hormone can not be produced and then stored for later
secretion
TRUE OR FALSE - ANSWER-False
,3|Page
Which of the following is FASLE with regard to a gas's rate of
diffusion
A)an increase in the concentration gradient of a gas will increase
its rate of diffusion B)a gas with a higher molecule should diffuse
faster than a lighter gas C)increasing the surface area for
diffusion increases the rate of diffusion D)the greater the Lopid
solubility of a gas, the faster that gas should diffuse across a
membrane E)none of the above, all are true with regard to gas
diffusion rates - ANSWER-A gas with a higher molecular rate
should diffuse faster than a lighter gas
Which of the major ions used in cellular communication will have
a net flow out of the cell when it's channels are open
A)NA+ B)K+ C)CA++ D)CL- E)A&B - ANSWER-K+
Homeostasis is primarily achieved through positive feedback
mechanism.
TRUE OR FALSE - ANSWER-False
, 4|Page
When blood pressure suddenly rises and stretches the walls of an
arteriole--the smooth muscles of that arteriole will automatically
contract keeping the blood flow and pressure downstream from
increasing too much. This is an example of
A)introspective control B)intrinsic control C)extreme control
D)extrinsic control E)intelligent control - ANSWER-intrinsic control
Which of the following hormone is NOT released from the anterior
pituitary?
A)adrenocorticotropic hormone B)calcitonin C)probation
D)melanocyte stimulating hormone D)growth hormone -
ANSWER-Calcitonin
Blood, glands, and bone are all considered connective tissues
TRUE OR FALSE - ANSWER-False
Simple sugars are joined to form polysaccharides by means of
A)dehydration synthesis B)hydrogenation C)dehydration
D)hydrolysis E)hydrogen bonds - ANSWER-Dehydration
synthesis
