BIOL 112 Study Guide - Midterm Guide: Amphiphile, Catabolism, Lipopolysaccharide

Place the following events in the correct order.

i) ACh is released into the synaptic cleft.

ii) Synaptic vesicles fuse with the plasma membrane.

iii) A muscle action potential is triggered.

iv) An action potential arrives at the synaptic end bulb.

v) ACh binds to receptors in the motor end plate.

a. ii,iv,v,i,iii

b. iv,iii,i,ii,v

c. i,ii,iv,iii,v

d. iv,ii,i,v,iii

Which of the following types of bonds are mostly likely to be found between the enzyme and substrate of a reversible reaction?
I. Non-polar covalent bonds
II. Polar covalent bonds
III. Hydrogen bonds
IV. Ionic bonds

The statements below are either true or false statements about type 1 diabetes.

(i) The appearance of diabetes-related autoantibodies in affected individuals occurs prior to hyperglycemia.

(ii) Type 1 diabetes accounts for between 20-25% of cases of diabetes.

(iii) The risk of developing type 1 diabetes is greater with a diabetic father than a

diabetic mother.

(iv) Type 1 diabetes is associated with other autoimmune disorders.

(v) Patients with type 1 diabetes are usually obese.

Which of the following options (a ïƒ e) is CORRECT concerning type 1 diabetes?

a) All statements are true

b) Statements (i), (iii) and (iv) are true.

c) Statements (i), (ii) and (v) are false.

d) Statements (i), (iii) and (v) are true.

e) Statements (ii), (iv) and (v) are false.