
Concept explainers
(a)
Interpretation:
The steroid nucleus of cholesterol should be indicated.
Concept introduction:
Steroid nucleus is composed of 17 carbon atoms and they have been arranged as a fused, four nucleus.
(b)
Interpretation:
The number of carbon atom which the −OH group has been attached should be decided.
Concept introduction:
Steroid nucleus is composed of 17 carbon atoms and they have been arranged as a fused, four nucleus.
(c)
Interpretation:
The number of carbon atoms wherethe carbon-carbon double bond has been located should be decided.
Concept introduction:
Steroid nucleus is composed of 17 carbon atoms and they have been arranged as a fused, four closednucleus.
(d)
Interpretation:
The polar bonds of cholesterol should be indicated. The reasons for the insolubility of cholesterol in water should be explained.
Concept introduction:
Cholesterol is a type of lipid which is also an alcohol.

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Chapter 19 Solutions
General, Organic, & Biological Chemistry
- く Check the box under each a amino acid. If there are no a amino acids at all, check the "none of them" box under the table. Note for advanced students: don't assume every amino acid shown must be found in nature. COO H3N-C-H CH2 HO CH3 NH3 O CH3-CH CH2 OH Onone of them Explanation Check + H3N O 0. O OH + NH3 CH2 CH3-CH H2N C-COOH H O HIC + C=O H3N-C-O CH3- - CH CH2 OH Х 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accesarrow_forwardWrite the systematic name of each organic molecule: structure HO-C-CH2-CH3 O -OH CH3-CH2-CH2-CH2-CH2-C-OH CH3 CH3-CH-CH2-C-OH Explanation Check S namearrow_forwardtheres 2 productsarrow_forward
- Draw the major product of this solvolysis reaction. Ignore any inorganic byproducts. + CH3CH2OH Drawing Q Atoms, Bonds and Rings OCH2CH3 || OEt Charges OH 00-> | Undo Reset | Br Remove Done Drag To Pan +arrow_forwardDraw the major product of this SN1 reaction. Ignore any inorganic byproducts. CH3CO2Na CH3CO2H Drawing + Br Q Atoms, Bonds and Rings OAC Charges OH ОАс Na ဂ Br Undo Reset Remove Done Drag To Pan +arrow_forwardOrganic Functional Groups entifying positions labeled with Greek letters in acids and derivatives 1/5 ssible, replace an H atom on the a carbon of the molecule in the drawing area with a ce an H atom on the ẞ carbon with a hydroxyl group substituent. ne of the substituents can't be added for any reason, just don't add it. If neither substi er the drawing area. O H OH Oneither substituent can be added. Check D 1 Accessibility ado na witharrow_forward
- Differentiate between electrophilic and nucleophilic groups. Give examples.arrow_forwardAn aldehyde/ketone plus an alcohol gives a hemiacetal, and an excess of alcohol gives an acetal. The reaction is an equilibrium; in aldehydes, it's shifted to the right and in ketones, to the left. Explain.arrow_forwardDraw a Haworth projection or a common cyclic form of this monosaccharide: H- -OH H- OH H- -OH CH₂OHarrow_forward
- Answer the question in the first photoarrow_forwardGgggffg2258555426855 please don't use AI Calculate the positions at which the probability of a particle in a one-dimensional box is maximum if the particle is in the fifth energy level and in the eighth energy level.arrow_forwardExplain the concepts of hemiacetal and acetal.arrow_forward
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