[2] Class 5- Theisen Fundametal Of Nutrition Flashcards Preview

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Flashcards in [2] Class 5- Theisen Fundametal Of Nutrition Deck (141)
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121

How many kcal/g in alcohol

7 kcal/g

122

Crucial for maintaining health:

Essential AA

123

What happens if inadequate diet of Essential AA:

Negative nitrogen balance

124

Why are there EFA?

We cant make the cis bond. that's why there's no way to digest...

125

Fat-soluble vitamins cant be absorbed if:

there's is a bile/emulsification error

126

Where does vit d become activated?

Kidney

127

What hormone would increase activation of Vit D?

PTH and low PO4

128

Function of Vit D?

Reabsorption of Ca+

129

Important serve of energy

Oxidation of carbon fuels

130

Ultimate electron acceptor

O2

131

Oxidation product

CO2

132

Saturated=

Reduced and more PE!

133

How does the oxidation of carbon take place?

When a fuel is oxidized, the oxidation takes place one carbon at a time

134

Potential energy in saturated vs. polyunsaturated

Saturated has more potential energy

135

Carbon-oxidation energy cen be used to create ion gradients or

High phosphoryl-transfer potential ----both endpoints = ATP

136

Bond is broken and immediate energy=

Redox or ADP

137

Energy from foodstuffs is extracted in how many stages?

3

138

Stage I:

degradation and absorption

139

Stage II

Sugars and FAs converted to acetyl CoA-some ATP produced

140

Stage III

Aerobic respiration- most ATP made

141

Metabolic processes are regulated 3 principal ways, by controlling:

Amt.'s of enzymes

Catalytic activity

The accessibility of substrates