Homework Answers
Question:15
Answer: (A) inside the cell,activate transcription.
Thyroid hormone have receptors inside the cell and their mechanisms of function is activate transcription.
Reason:
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QUESTION 35 and their mechanism of action is to Thyroid hormones have receptors A. inside the...
Classify each phrase on the left into the correct hormone category: water-soluble hormones, lipid-soluble hormones, or...
Classify each phrase on the left into the correct hormone
category: water-soluble hormones, lipid-soluble hormones, or both
types of hormones.
Cell response occurs within minutes Hormone travels in bloodstream to target cells Water-soluble hormones Lipid-soluble hormones Both types of hormones Activate a second messenger system Bind to receptors on target cell membrane Hormone is released by endocrine cells Bind to receptors on target cell membrane Peptide hormones Hormone enters target cell and binds to receptor inside cel Steroid hormones messenger...
Need help on these questions ? 1.) Steroid hormones trigger transcription of target genes by... ...
Need help on these questions ? 1.) Steroid hormones trigger transcription of target genes by... a. activating the release of Ca+2 ions that bind to and activate transcription factors. b. activating a kinase cascade that results in the activation of a transcription factor for a set of genes. c. binding directly to DNA and stimulating transcription. d. binding to nuclear receptors that act as transcription factors for specific genes. 2.) Which type of cell-surface receptor(s), when...
The receptors for your steroid hormones are on the inside of the cell, they are not...
The receptors for your steroid hormones are on the inside of the cell, they are not cell surface receptors. Propose an explanation for why the receptors for your steroid hormones can be on the inside of the cell and do not have to be cell surface receptors.
Steroid hormones exert their action by: a. crossing the plasma membrane and binding to nuclear receptors...
Steroid hormones exert their action by: a. crossing the plasma membrane and binding to nuclear receptors initiating or altering the expression of a gene b. binding to receptors located on the plasma membrane and initiating a secondary messenger effect active transport across the plasma membrane and attaching to cytoplasmic protein receptors d. crossing the plasma membrane and binding to cytoplasmic receptors Hypoglycemia is defined as a blood sugar: a. Less than 7.8 mmol/L b. Less than 2.5 mmol/L c. Greater...
Question 1 of 10 10 Points Which of the following secretes hormones? • O A. Hypothalamus...
Question 1 of 10 10 Points Which of the following secretes hormones? • O A. Hypothalamus • B. Thyroid • O C. Liver • D. Appendix Reset Selection Signals from the brain and spinal cord going to muscles and glands go through • • • A. Motor neurons B. Sensory neurons C. Hypothalamus • OD. Receptors A junction between neurons through which electrical signals pass through are known as . A. Synapses B. Axons • O C. Neurotransmitter D. Myelin...
List and give examples of the three different chemical classes of hormones and describe some of...
List and give examples of the three different chemical classes of hormones and describe some of their structural differences. Chemical classes of hormones : Steroids Amines & Polypeptides Steroids Amines / polypeptides Water soluble / lipid soluble Location of target cell receptors Plasma membrane / cytosol or nucleus Mechanism of action Secondary messengers / gene transcription directly Examples: estrogens / insulin / Glucagon epinephrine / cortisol
no explaination is needed 21. Iodine deficiency promotes the formation of enlarged thyroid glands (goitre) because...
no explaination is needed
21. Iodine deficiency promotes the formation of enlarged thyroid glands (goitre) because a) more thyroid hormones are now produced in the thyroid gland. b) the thyroid gland switches to production of a different hormone. e) reduced levels of thyroid hormones fail to prevent stimulation of thyroid gland by TRH and TSH. d) iodine now needs to be synthesized in the thyroid gland. 22. An unequal distribution of ions inside and outside of a nerve cell is...
Colleu UTULUU List a few peptide hormones and steroid hormones. Which are lipophilic and which are...
Colleu UTULUU List a few peptide hormones and steroid hormones. Which are lipophilic and which are lipophobic? on Bock Where are receptors for each type of hormone? What is the cellular mechanism of action for each type of hormone? . Estrogen, testosterone, cortisol are all hormones. . Insulin, glucagon, parathyroid hormone, oxytocin, vasopressin, growth hormone, adrenocorticotrophic hormone, luteinizing hormone are all hormones. 3. Thyroxine (T) and triiodothyronine (T3) are all hormones that mimic the hormone mechanism of action. 2. Epinephrine,...
2. Understand the mechanism of action of steroid hormones. 3. Know the relationship between chromatin structure...
2. Understand the mechanism of action of steroid hormones. 3. Know the relationship between chromatin structure and gene expression 4. Know the effect of DNA methylation on gene transcription 5. Understand the role of insulators in gene expression. 6. Understand the common mechanisms of epigenetic regulation 7. Understand how RNA processing, stability and translation influence gene expression.
Where on the target cells are receptors for peptide hormones usually found and why? Select one:...
Where on the target cells are receptors for peptide hormones usually found and why? Select one: A. in the cytoplasm, because (most) peptides act via second messengers B. in the nucleus, because (most) peptides affect the metabolism of the target cells C. on the cell membrane, because peptides cannot penetrate the cell membrane D. on the cell surface, because that is where the G-proteins are located
Classify each phrase on the left into the correct hormone
category: water-soluble hormones, lipid-soluble hormones, or both
types of hormones.
Cell response occurs within minutes Hormone travels in bloodstream to target cells Water-soluble hormones Lipid-soluble hormones Both types of hormones Activate a second messenger system Bind to receptors on target cell membrane Hormone is released by endocrine cells Bind to receptors on target cell membrane Peptide hormones Hormone enters target cell and binds to receptor inside cel Steroid hormones messenger...
Steroid hormones exert their action by: a. crossing the plasma membrane and binding to nuclear receptors initiating or altering the expression of a gene b. binding to receptors located on the plasma membrane and initiating a secondary messenger effect active transport across the plasma membrane and attaching to cytoplasmic protein receptors d. crossing the plasma membrane and binding to cytoplasmic receptors Hypoglycemia is defined as a blood sugar: a. Less than 7.8 mmol/L b. Less than 2.5 mmol/L c. Greater...
Question 1 of 10 10 Points Which of the following secretes hormones? • O A. Hypothalamus • B. Thyroid • O C. Liver • D. Appendix Reset Selection Signals from the brain and spinal cord going to muscles and glands go through • • • A. Motor neurons B. Sensory neurons C. Hypothalamus • OD. Receptors A junction between neurons through which electrical signals pass through are known as . A. Synapses B. Axons • O C. Neurotransmitter D. Myelin...
no explaination is needed
21. Iodine deficiency promotes the formation of enlarged thyroid glands (goitre) because a) more thyroid hormones are now produced in the thyroid gland. b) the thyroid gland switches to production of a different hormone. e) reduced levels of thyroid hormones fail to prevent stimulation of thyroid gland by TRH and TSH. d) iodine now needs to be synthesized in the thyroid gland. 22. An unequal distribution of ions inside and outside of a nerve cell is...
Colleu UTULUU List a few peptide hormones and steroid hormones. Which are lipophilic and which are lipophobic? on Bock Where are receptors for each type of hormone? What is the cellular mechanism of action for each type of hormone? . Estrogen, testosterone, cortisol are all hormones. . Insulin, glucagon, parathyroid hormone, oxytocin, vasopressin, growth hormone, adrenocorticotrophic hormone, luteinizing hormone are all hormones. 3. Thyroxine (T) and triiodothyronine (T3) are all hormones that mimic the hormone mechanism of action. 2. Epinephrine,...
2. Understand the mechanism of action of steroid hormones. 3. Know the relationship between chromatin structure and gene expression 4. Know the effect of DNA methylation on gene transcription 5. Understand the role of insulators in gene expression. 6. Understand the common mechanisms of epigenetic regulation 7. Understand how RNA processing, stability and translation influence gene expression.
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