Bioch 1,2,3,4,5...Q - maryam2009

[ArchivalUser]

1.In the human, prostoglandins can be derived from
a. glucose
b. acetyl CoA
c. arachadonic acid
d. oleic acid
e. leukotrienes


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2. Which of the following is/are a correctly matched enzyme and tissue where the enzyme is located?
i. Pancreatic lipase – intestine
ii. Lipoprotein lipase – muscle
iii. Lipoprotein lipase – adipose tissue
iv. Hormone sensitive lipase – liver

a. i, ii, iii are correct
b. i, iii are correct
c. ii, iv are correct
d. iv is the only one correct
e. all are correct

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3. Which of the following occurs just prior to the absorption of fats into the mucosal cell lining of the intestine?
a. chylomicrons are formed
b. triglycerides are formed
c. micelles are formed
d. phospholipids are formed
e. cholesterol esters are formed

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4. The primary carrier of lipids in the blood immediately after a meal is consumed is:
a. cholecystokinin
b. chylomicron
c. low-density lipoproteins (LDLs)
d. high-density lipoproteins (HDLs)
e. very low-density lipoproteins (VLDLs)

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5. Which of the following statements about acetyl CoA carboxylase is correct?
a. It requires thiamine for the carboxylation of acetyl CoA
b. It utilizes citrate as a substrate
c. It produces malonyl CoA, which is subsequently decarboxylated
d. It is located mainly in the matrix of liver mitochondria

[ArchivalUser]

Good morning, dear Maryam

1. C
2. A
3. C
4. B
5. C

Thanks for posting

[ArchivalUser]

Good morning dear psychmled

[ArchivalUser]

Hello Girls )

1. C
2. A
3. C
4. B
5. C (CO2 is never introduced in to the structure of the final product)

[ArchivalUser]

Hello dear Uragan

You did great job...all answers are correct