Select the best answer or answers from the choices given: The neuropeptides that act as natural opiates are (a) substance P, (b) somatostatin and cholecystokinin, (c) tachykinins, (d) enkephalins.

Q: Identify the amino acids that give rise to catecholamines, serotonin, GABA, and histamine.

A: Amino acids are the organic acids that contain alpha carboxyl group, alpha amino group, a hydrogen…

Q: Explain the hypothalamic-inhibiting hormone ?

A: Hypothalamus provides anatomical connection between the endocrine and nervous systems through…

Q: What do you mean by acetylcholine?

A: Neurotransmitters are a type of chemical messengers, which transmit signals across a chemical…

Q: List the components of a simple endocrine reflex.

A: In the human body, there are various aspects like blood and sugar levels, pH, blood pressure, sleep…

Q: Arlene heads to the gym and initiates a vigorous exercise regimen. Which hormone will not be…

A: Vigorous exercise causes several muscles in the body to be overworked. To sustain the activity, more…

Q: What causes the dopamine deficiency?

A: Both a neurotransmitter and a hormone, dopamine plays an important role in impulse transmission to…

Q: Compare and contrast acetylcholine and norepinephrine

A: Both acetylcholine and norepinephrine are  neurotransmitter. But there are differences between them…

Q: which of the following would diffuse across the membrane of its target cell? a. epinephrine b.…

A: The plasma membrane of a cell is composed of the lipid bilayer. The interior of the plasma membrane…

Q: What is Serotonin?

A: Neurotransmitter  It is a chemical messenger that transmit electrical impulse across the synapse…

Q: Define what is rhodopsin ?

A: The term rhodopsin is described as the bright red coloured photosensitive G-protein coupled receptor…

Q: Rachel’s eyes bulged and she had symptoms that the physician said were a result of…

A: The chemical coordination in the animals takes place by endocrine glands. The secretion from these…

Q: Give FOUR criteria for identifying a substance as a neurotransmitter.

A: Introduction  A neuron releases a signalling chemical called a neurotransmitter across a synaptic…

Q: Roger has been extremely thirsty. He drinks numerous glasses of water every day and urinates a great…

A: Maintenance of water balance, lubrication of the joints, elimination of wastes via urination,…

Q: compare and contrast the similarities between and differences between neurotransmitter and hormones

A: Hormones are the chemical messengers secreted by endocrine glands. These glands release their…

Q: Define the following terms: a. downregulation b. tropic hormone c. G protein-coupled receptor d. G…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: How does the physiological control exerted by the nervoussystem and endocrine system relate to the…

A: the nervous system controls the homeostasis with the help of receptors, there is a constant watch…

Q: Why is the hypothalamus considered part of both the nervoussystem and the endocrine system?

A: To answer this question we should have knowledge of animal physiology.

Q: What cell membrane component must the endocrine cellhave in order to respond to a neurotransmitter?

A: Cell membrane or plasma membrane is a double- layered membrane made up of proteins and lipids that…

Q: What is Acetylcholine (ACh)?

A: The enzyme is the tertiary or the quaternary structure of a protein. All enzymes are not…

Q: Which of these statements about catecholamines is false? a.They include norepinephrine, epinephrine,…

A: The endocrine system includes different types of hormone release in the body. Hormones are chemical…

Q: Which of the chemical messengers in the nervous system acts as a neuromodulator and has effects…

A: The nerves have an important function to transmit information from the brain to the rest of the…

Q: Name the disease caused by oversecretion of serotonin.

A: Serotonin has a wide variety of functions in the human body. It is sometimes called as the happy…

Q: Select the best answer or answers from the choices given: Some hormones act by (a) increasing the…

A: Hormones are chemicals that act as messengers and are involved in signal transduction. The result of…

Q: Define the term dynactin,

A: Dynactin is most probably used for the cytoplasmic dynein activity of eukaryotic cells and it is…

Q: Name the “big three” monoamine neurotransmitters.

A: The "big three" monoamine transmitters are Serotonin, Norepinephrine and Dopamine.

Q: Name two hormones secreted by the adrenal medulla.

A: The adrenal glands are the endocrine glands that synthesize a variety of hormones. They are located…

Q: Susan is a 35-year-old mother of two who works as anadmissions officer at the university. Lately she…

A: A physician is a medical practitioner who principally deals with the maintenance of a person's…

Q: Define epinephrine

A: Epinephrine is also called adrenaline. It is a hormone. It is known to have a function in visceral…

Q: Oxytocin and vasopressin are nonapeptide hormones.  Why ?

A: Hormones are the biological chemical messengers or compounds that are secreted in the blood directly…

Q: WHY IS HYPOTHALAMUS CONSIDERED TO BE A LINK BETWEEN THE ENDOCRINE AND NERVOUS SYSTEM?

A: The nervous and endocrine systems are complementary systems of control in the body. The endocrine…

Q: Define the term Catecholamines?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…

Q: A 24-year-old woman in her 25th week of pregnancy is admitted to the hospital because of…

A: Preeclampsia is a pregnancy complication characterized by high blood pressure and signs of damage to…

Q: What will be the elimination reaction of serotonin neurotransmitter?

A: Serotonin is the key hormone that stabilizes the mood, feelings of well being, and happiness. It…

Q: Why are enkephalins sometimes called neurohormones?

A: Neurohormone : It is any hormone produced and released by neuroendocrine cells into the blood.…

Q: Which is the following is an example of the nervous system directly interacting with the endocrine…

A: The endocrine system refers to the collection of glands which secretes hormones in order to regulate…

Q: Why did the dyskinetic movements appear to be worse just after taking his carbidopa-levodopa? What…

A: Dyskinesia is defined as the condition where the person develops uncontrolled involuntary, erratic…

Q: why is epinephrine considered a hormone when it is produced by the adrenal medulla and a…

A: Epinephrine, also termed as adrenaline, is considered as a hormone when it is produced by the…

Q: Jennifer R. has the “stomach flu” that is going around campus and has been vomiting profusely for…

A: The digestive system breaks down the food intake into small nutrient molecules that will be absorbed…

Q: In what way is a neuropeptide intermediate between neurotransmitters and hormones?

A: Neuropeptides belong to a class of protein like molecules which consists of short chains of amino…

Q: Where are the hormones epinephrine and norepinephrine produced and what is their relationship to the…

A: Hormones are the chemical messengers also known as signaling molecules that help in the signaling.…

Q: Category of biomolecules called catecholamines excludes: 1.Epinephrine 2.Dopamine 3.Thyroxine…

A: The adrenal gland is an endocrine gland and produces a variety of hormones. The hormones include…

Q: hypothalamus B 3. Identify the letter on the flow chart that would represent the pituitary gland.…

A: This pathways refers to the mode of action of GnRH from hypothalamus on anterior pituitary to…