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举一反三
【单选题】Newly synthesized fatty acids are not immediately degraded because of which one of the following?
A.
Tissues that synthesize fatty acids do not contain the enzymes that degrade fatty acids.
B.
High NADPH levels inhibit β -oxidation.
C.
In the presence of insulin, the key fatty acid – degrading enzyme is not induced.
D.
Newly synthesized fatty acids cannot be converted to their CoA derivatives.
E.
Transport of fatty acids into mitochondria is inhibited under conditions in which fatty acids are being synthesized.
查看完整题目与答案
【单选题】患者，女，56岁，因风湿性心脏病给予地高辛0.5mg/d，连续治疗1个月后，病情好转，但病人出现恶心呕吐、视物发黄等症状。心电图检查示P-P间期和P-R间期延长。地高辛血浓度为3.2ng/mL。诊断为地高辛中毒。除立即停药外，还应采用什么药物治疗
A.
苯妥英钠
B.
利多卡因
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【单选题】患者,女性,56岁。因风湿性心脏病给予地高辛0.5mg/d,连续治疗1个月后,病情好转,但病人出现恶心呕吐,黄视等症状。经检查:心电图:PP间期和PR间期延长;地高辛血浓度为3.2ng/ml诊断为地高辛中毒。除立即停药外,还应采用什么药治疗
A.
苯妥英钠
B.
利多卡因
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【简答题】Fish contains lost of omega-3 fatty acids．These fatty acids have been shown to help pr heart disease，lower blood pressure and reduce the risk of strokes．Researchers suggest that these benefits of...
查看完整题目与答案
【单选题】When bacteria growing at 20°C are warmed to 30°C, are they more likely to synthesize membrane lipids with saturated fatty acids and ( ).
A.
Short-chain fatty acids
B.
Middle-chain fatty acids
C.
Long-chain fatty acids
查看完整题目与答案
【单选题】Fatty acids likely were ( ) a C2 precursor.
A.
collected from
B.
deriving from
C.
deduced from
D.
derived from
查看完整题目与答案
【单选题】患者，女，56岁。因风湿性心脏病给予地高辛0.5mg/d，连续治疗1个月后，病情好转，但患者出现恶心、呕吐、黄视等症状。经检查：心电图显示P-P间期和P-R间期延长，地高辛血浓度为3.2ng/ml。诊断为地高辛中毒。除立即停药外，还应采用（）
A.
利多卡因
B.
苯妥英钠
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【单选题】患者女，56岁，因风湿性心脏病给予地高辛0.5mg/d，连续治疗1个月后，病情好转，但病人出现恶心呕吐，黄视等症状。经检查：心电图：P-P间期和P-R间期延长；地高辛血浓度为3.2ng/ml。诊断为地高辛中毒。除立即停药外，还应采用什么药治疗
A.
苯妥英钠
B.
利多卡因
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【简答题】阅读理解。 Fish contains lost of omega-3 fatty acids. These fatty acids have been shown to help pr heart disease, lower blood pressure and reduce the risk of strokes. Researchers suggest that these be...
查看完整题目与答案
【多选题】What occurs during desaturation of fatty acids?
A.
Palmitate and stearate serve as precursors of the two most common monounsaturated fatty acids of animal tissues: palmitoleate, 16:1(Δ 9 ), and oleate, 18:1(Δ 9 ); both of these fatty acids have a single cis double bond between C-9 and C-10.
B.
The double bond is introduced into the fatty acid chain by an oxidative reaction catalyzed by fatty acyl–CoA desaturase, a mixed-function oxidase. Two different substrates, the fatty acid and NADPH, simultaneously undergo twoelectron oxidations.
C.
The path of electron flow includes a cytochrome (cytochrome b 5 ) and a flavoprotein (cytochrome b 5 reductase), both of which, like fatty acyl–CoA desaturase, are in the smooth ER.
D.
In plants, oleate is produced by a stearoyl-ACP desaturase (SCD) that uses reduced ferredoxin as the electron donor in the chloroplast stroma.
查看完整题目与答案
相关题目：
【单选题】Newly synthesized fatty acids are not immediately degraded because of which one of the following?
A.
Tissues that synthesize fatty acids do not contain the enzymes that degrade fatty acids.
B.
High NADPH levels inhibit β -oxidation.
C.
In the presence of insulin, the key fatty acid – degrading enzyme is not induced.
D.
Newly synthesized fatty acids cannot be converted to their CoA derivatives.
E.
Transport of fatty acids into mitochondria is inhibited under conditions in which fatty acids are being synthesized.
查看完整题目与答案
【单选题】患者，女，56岁，因风湿性心脏病给予地高辛0.5mg/d，连续治疗1个月后，病情好转，但病人出现恶心呕吐、视物发黄等症状。心电图检查示P-P间期和P-R间期延长。地高辛血浓度为3.2ng/mL。诊断为地高辛中毒。除立即停药外，还应采用什么药物治疗
A.
苯妥英钠
B.
利多卡因
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【单选题】患者,女性,56岁。因风湿性心脏病给予地高辛0.5mg/d,连续治疗1个月后,病情好转,但病人出现恶心呕吐,黄视等症状。经检查:心电图:PP间期和PR间期延长;地高辛血浓度为3.2ng/ml诊断为地高辛中毒。除立即停药外,还应采用什么药治疗
A.
苯妥英钠
B.
利多卡因
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【简答题】Fish contains lost of omega-3 fatty acids．These fatty acids have been shown to help pr heart disease，lower blood pressure and reduce the risk of strokes．Researchers suggest that these benefits of...
查看完整题目与答案
【单选题】When bacteria growing at 20°C are warmed to 30°C, are they more likely to synthesize membrane lipids with saturated fatty acids and ( ).
A.
Short-chain fatty acids
B.
Middle-chain fatty acids
C.
Long-chain fatty acids
查看完整题目与答案
【单选题】Fatty acids likely were ( ) a C2 precursor.
A.
collected from
B.
deriving from
C.
deduced from
D.
derived from
查看完整题目与答案
【单选题】患者，女，56岁。因风湿性心脏病给予地高辛0.5mg/d，连续治疗1个月后，病情好转，但患者出现恶心、呕吐、黄视等症状。经检查：心电图显示P-P间期和P-R间期延长，地高辛血浓度为3.2ng/ml。诊断为地高辛中毒。除立即停药外，还应采用（）
A.
利多卡因
B.
苯妥英钠
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【单选题】患者女，56岁，因风湿性心脏病给予地高辛0.5mg/d，连续治疗1个月后，病情好转，但病人出现恶心呕吐，黄视等症状。经检查：心电图：P-P间期和P-R间期延长；地高辛血浓度为3.2ng/ml。诊断为地高辛中毒。除立即停药外，还应采用什么药治疗
A.
苯妥英钠
B.
利多卡因
C.
普萘洛尔
D.
钾盐
E.
阿托品
查看完整题目与答案
【简答题】阅读理解。 Fish contains lost of omega-3 fatty acids. These fatty acids have been shown to help pr heart disease, lower blood pressure and reduce the risk of strokes. Researchers suggest that these be...
查看完整题目与答案
【多选题】What occurs during desaturation of fatty acids?
A.
Palmitate and stearate serve as precursors of the two most common monounsaturated fatty acids of animal tissues: palmitoleate, 16:1(Δ 9 ), and oleate, 18:1(Δ 9 ); both of these fatty acids have a single cis double bond between C-9 and C-10.
B.
The double bond is introduced into the fatty acid chain by an oxidative reaction catalyzed by fatty acyl–CoA desaturase, a mixed-function oxidase. Two different substrates, the fatty acid and NADPH, simultaneously undergo twoelectron oxidations.
C.
The path of electron flow includes a cytochrome (cytochrome b 5 ) and a flavoprotein (cytochrome b 5 reductase), both of which, like fatty acyl–CoA desaturase, are in the smooth ER.
D.
In plants, oleate is produced by a stearoyl-ACP desaturase (SCD) that uses reduced ferredoxin as the electron donor in the chloroplast stroma.
查看完整题目与答案
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