Identify the incorrect statement:O A. Steroid hormones, such as testosterone, are derived from cholesterol and regulate cell function by influencing transcription.O B. Melatonin is a hydrophobic steroid hormone synthesized by the pineal gland It regulates the circadian rhythm of the cellOC. Catecholamines are hydrophilic hormones synthesized from tyrosine. Therefore, membranes are barriers to them, and their receptors need to be on the extracellular surface.O D. Antidiuretic hormone is a peptide hormone that regulates fluid balance in the bodyO E. Thyroid hormone is a hydrophobic tyrosine derived hormone that regulates the metabolism,

Hormones are the chemical messengers that are secreted by the gland. They bind to the target organ…

Answered: Identify the incorrect statement: O A.…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Thyroid hormones generate a response in their target cell by O binding to its surface receptors. O by binding to an intracellular receptor and promoting gene expression O by binding to a ligand-gated receptor O by binding to a tyrosine kinase receptor.
s in th and the development of a tumor. Which of the following is a characteristic of steroid hormones? A. Activation of adenylate cyclase B. Activation of protein kinases C. Plasma membrane receptors D. Stimulation of cellular protein synthesis E. Termination of effects by phosphodiesterase V adenylate cyclase 본 Edit D t 20% 2 C
Hormones are chemical signaling molecules produced by specialized cells and transmitted via the circulatory system to all other cells in the body. Which of the following describes a condition that needs to be met for a target cell to re- ceive the signaling molecules? A B с D The size and shape of the target cell needs to be similar to that of the cell that secreted the hormone. The location of the target cell needs to be within the local region of the cell that secreted the hormone. The target cell needs to have sufficient ATP to transport the hormone into the cell. The cytosol of the target cell has to have receptors that recognize and bind the hormone.
Thyroid hormone is produced within spherical shape structures in the thyroid gland known as 3. 1_ _ _This structure consists of an outer layer of 3.2 epithelial cells and an inner section known-as 3.3___ . This inner section is filled with 3.4 ____ that is synthesised and secreted by-the cells and contains many tyrosine residues. Within this inner section, organification occurs when 3. 5 ____ molecules attach to these tyrosine residues forming either 3. 6____ (with one molecule attacl1ed) or 3. 7____(with two molecules attached). Through coupling, T3 and T4 are also formed. Of these two hormones;- 3. 8 ____is less potent but forms approximately 93% of the metabolically active hormones secreted the thyroid gland.
In comparison to protein hormones, steroid hormones: (Select all that apply). O Have a longer half-life O Have a shorter half life O Are water-soluble O Are lipid-soluble O Can cross the cell membrane O Cannot cross the cell membrane Can interact with receptors on the cell surface O Can interact with receptors in the nucleus or cytoplasm
A Moving to the next question prevents changes to this answer. Question 1 What is unusual about the receptor for steroid hormones? A. The receptor is located in the cytoplasm but can enter the nucleus once bound to ligand. B. The receptor is embedded in the plasma membrane C. The receptor is located in the cytoplasm but can never enter the nucleus. D. The receptor is located in the lysosome. A Moving to the next question prevents changes to this answer.
The sympathetic postganglionic neurons release only norepinephrine while the adrenal medulla secretes mainly epinephrine (80%) and a small amount of norepinephrine (20%). The sympathetic postganglionic neurons do not secrete epinephrine because; Group of answer choices a. Epinephrine is not as widely used in the nervous system as norepinephrine b. Phenylethanolamine-N-methyltransferase (PNMT) which converts norepinephrine to epinephrine is present in the adrenal medulla, but not in sympathetic postganglionic adrenergic neurons c. Acetylcholine which stimulates the secretion of epinephrine does not act on postganglionic neurons d. Dopamine beta hydroxylase in hyperactive in the adrenal medulla
Consider the following: Hormone X is released by Secretory Cell A and binds to its receptor on Target Cell 1. In response to this binding, Target Cell 1 releases Hormone Y. Based on the information above, identify whether the following statement is true or false: Hormone X is considered a tropic hormone. a. True b. False
Testerone is a steriod (lipid) hormone. Which of the following would be the most likely receptor for this hormone? Select one: a. A transmembrane receptor in the cell membrane since it cannot diffuse across the cell membrane b. An intracellular receptor because it can diffuse across the cell membrane
Trace the signaling pathway in a liver cell using the information below: When the sympathetic nervous system (SNS) is activated, effects on the liver include an increase in the breakdown of glycogen into glucose for use by muscle cells and other tissues. Norepinephrine and epinephrine are two neurotransmitters of the SNS that bind with alpha-1 adrenergic receptors present on the surface of liver cells (hepatocytes). T Protein activates the 2nd messengers Phosholipase C, which in turn produces IP3 and DAG (describe how PLC does this). The cellular response is an increase in permeability of the cell to calcium ions (Ca2") (make sure to include which of the second messengers cause this response). This causes an increase in Ca2+ binding to calmodulin. Calmodulin then causes the phosphorylation and activation of glycogen phosphory lase kinase. This causes an increase of activity for the enzyme glycogen phosphory lase, breaking down glycogen stores. Protein kinase C (PKC) is also activated…
Some cancer cells release their own grown hormone rather than relying on growth hor- mones from elsewhere in the host organism. Which of the following describes the type of cell communication used by these cancer cells to promote their continued division? A juxtacrine signaling B с D endocrine signaling paracrine signaling autocrine signaling
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