AAMC Bio Continuation

Question 1

Insulin in order to maintain the cellular concentration of glucose does what?

Answer 1

Insulin stimulates the first step in the glycolytic pathway in the liver. Decreasing the cellular concentration of glucose and facilitating its uptake.

Question 2

The patients with diabetes that have impairments in the production of insulin(type 1) and those that do not respond to insulin (type 2), benefit from exercise because?

Answer 2

Exercise promotes the insulin-independent uptake of glucose in working skeletal muscles.

Question 3

Where are polypeptides such as insulin cleaved into the mature forms inside the cell before being secreted?

Answer 3

Secreted protein such as insulin are cleaved into mature form within the endomembrane system.

Question 4

Describe some of the diabetes physiological changes that lead to measure changes?

Answer 4

According to the passage, the si prima of diabetes mellitus leads to the catalysis of fatty acids and the use of protein as alternative energy sources.

In patients with diabetes, high blood glucose results in excretion of excess sugar into the urine making it sweet-tasting. The catabolism of fatty acids acids results in weight loss, and the catabolism of proteins results in feelings of fatigue.

Question 5

If bacterial grown in N15 for several generations and then transferred to a culture with N14 what would be the weight of the genomes found if N14 containing genomes and N15 weight 5.5 and 5.4, respectively?

Answer 5

After the first round of replication all the genomes will be 5.45 and on the second round half will be 5.4 and the other will be 5.45

Question 6

Perform the following in a piece of paper.

K is necessary for hearing, and M causes deafness regardless of K. How many dead children will the following couples have?

KkMm and Kkmm

Answer 6

Answer should be 5/8