All of the following are functions of modified carbohydrate molecules except
A) as chitin they act as a structural component of lobster shells.
B) as heparin they form a fibrous network in blood clots.
C) as a component of hemoglobin they transport oxygen.
D) as a receptor molecule on cell surfaces they assist in the functioning of the immune system.
E) as a component of cartilage they provide support to joints.
Question 2
Which of the following equations is not balanced?
A) 2 Na + 2 H2O 2 NaOH + H2
B) C3H8 + 5 O2 3 CO2 + 4 H2O
C) 2 H2 + O2 2 H2O
D) SO2 + O2 SO3
E) 2 Al + 6 HCl 2 AlCl3 + 3 H2
Question 3
Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen and magnesium chloride?
A) Mg + 2 HCl H2 + MgCl2
B) Mg + HCl H + MgCl
C) 2 Mg + 6 HCl 3 H2 + 2 MgCl2
D) Mg + 2 HCl 2 H + MgCl2
E) Mg + 3 HCl 3 H + MgCl2
Question 4
A sugar present in honey in a 50/50 ratio with glucose is
A) fructose.
B) sucrose.
C) maltose.
D) glucose.
E) mannose.
Differences in the antigen-processing pathways between MHC molecules class I and class II.
Relaxed and supercoiled DNA molecules
Brain functions are lateralized
Functions
Finding derivatives of Exponential functions - pt 3
What volume is occupied by 6.21 x 1024 molecules of CO at STP?