BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Textbook Question
Chapter 9, Problem 6A
The receptors for steroid hormones and peptide hormones are fundamentally different because
a. of the great difference in size of the molecule.
b. peptides are one of the four major
c. peptides are hydrophilic and steroids are hydrophobic.
d. peptides are hydrophobic and steroids are hydrophilic.
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The amino acid that is INCORRECTLY described. * (Please choose one correct answer only)
A. Lysine: Polar basic: Calcium absorption
B. Proline: Nonpolar imino acid: Protein synthesis
C. Arginine: Polar positive: Nitric oxide sexual stimulation
D. Phenylalanine: Neutral polar: Neurotransmitter precursor
E. None of the given options
Which of the following statements about steroids is false?
a. They are classified as lipids because, like lipids, they are nonpolar
b.They can act as regulatory molecules in animals.
c.They are composed of four carbon rings.
d.They are highly soluble in water.
e.Their most abundant form is as sterols.
(I) Which one of the following is not a ligand
A.Glucagon
B. Bacterial protein
C. Air
(ii) Explain why by referring to each option
Chapter 9 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
Ch. 9.1 - Prob. 1LOCh. 9.1 - Prob. 2LOCh. 9.2 - Prob. 1LOCh. 9.3 - Prob. 1LOCh. 9.3 - Prob. 2LOCh. 9.4 - Prob. 1LOCh. 9.4 - Describe how information crosses the membrane in...Ch. 9.4 - Prob. 3LOCh. 9.4 - Prob. 4LOCh. 9.5 - Prob. 1LO
Ch. 9.5 - Prob. 2LOCh. 9 - Paracrine signaling is characterized by ligands...Ch. 9 - Signal transduction pathways a. are necessary for...Ch. 9 - The function of a ____is to add phosphates to...Ch. 9 - Which of the following receptor types is NOT a...Ch. 9 - How does the function of an intracellular receptor...Ch. 9 - Signaling through receptor tyrosine kinases often...Ch. 9 - Prob. 7UCh. 9 - Which of the following best describes the...Ch. 9 - Prob. 1ACh. 9 - The ion Ca2+ can act as a second messenger because...Ch. 9 - Different receptors can have the same effect on a...Ch. 9 - In comparing small G proteins like Ras and GPCR...Ch. 9 - Prob. 5ACh. 9 - The receptors for steroid hormones and peptide...Ch. 9 - Describe the common features found in all examples...Ch. 9 - The sheet of cells that form the gut epithelium...
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- Define the following terms: a. polar head group b. hydrophobic tail c. ligand d. motor protein e. GTParrow_forwardAn example of a glycerophospholipid that is involved in cell signaling is: O A. ceramide O B. arachidonic acid. OC. Vitamin A (retinol) O D. phosphatidylinositol 4,5-bisphosphate O E. testosterone CS Scanned with CamScannerarrow_forwardA group of researchers have isolated three novel compounds from the venom of a newly discovered species of wasp. Based on their structure and protein chemistry, the researchers believe that all three compounds may have strong anti-inflammatory activity and they have devised an experiment to test whether their compounds can reduce muscle damage after exercise. They plan to induce muscle damage in mice by causing repeated eccentric contractions (by running them downhill on a treadmill), and then examine the amount of inflammation in the muscles of their mice 24hrs later. They will use the following treatment groups: Sample 1) no treatment (control) Sample 2) 1mg/kg of Compound ‘A’ Sample 3) 1mg/kg of Compound ‘B’, and; Sample 4) 1mg/kg of Compound ‘C’. They perform their experiment and analyse their results using ANOVA followed by a post-hoc test. The results are as follows: (IMAGE ATTACHED) QUESTION IS: Based on this report (and assuming that none of the compounds significantly…arrow_forward
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