Exam preparation summaries

14 important questions on Exam preparation summaries

1 - Where are lipids first digested and broken down?

In the S

1.1 - What happens to lipids in the mouth?

A small amount of L L H a small quantity of F

1.1 - What happens to lipids in the small intestine? (4 parts)

Entry of C triggers CCK

Stimulates the release of B from the G

B acts as E to keep the T D's in A S

P L's released into the I continue D of T's
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1.1 - What happens to lipids in chylomicrons?

Circulate through the I L S and deliver T's to the BS

1.3 - How is lipid metabolism under hormonal control? (3 parts)

A and G activate HSL

HSL H's T

T is converted to FA's and G

2 - How is glycerol metabolised? (2 parts)

Freed (M) G from T enters L and K's

Is converted to DHA P

3 - How are activated fatty acids created?

FA reacts with CA producing A CA

3.1 - What is the formula for Acyl CoA?

R - CO - S - CA where R is a C C of any length

3.1 - What is the formula for Acetyl CoA?

R - CO - S - CA where R is the CH3 group

3.2 - In fatty acid transport, what happens when carnitine replaces CoA? (2 parts)

The C first moves the FA through the IMM

Then the C drops off and CA rejoins the FA

3.3 - What are the changes in functional groups at the beta-carbon in beta-oxidation of saturated fatty acids?

A > A > S A > K

4 - What ketone bodies are produced in ketogenesis? (3 parts)

AA produced in step 3

B-HB produced from A in step 4

A produced in the BS from AA along with CO

4 - What happens for people with diabetes? (4 parts)


G does not occur as the G remains in the BS

So no P produced

So no O produced

So A CA used to produce KB's

4 - What happens if there are too many ketone bodies? (2 parts)


Leads to K which is a high level of KB's

Eventually leads to KA which is when the B pH is A

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