6/28 Chem/Phys

Question 1

Homotropic regulation

Answer 1

Molecule is a substrate for its target enzyme and a regulatory molecule for the enzyme

Ex. O2 for Hb

Question 2

Is NaOH a strong or weak base?

Answer 2

Strong

Question 3

Is acetic acid a strong or weak acid?

Answer 3

Weak

Question 4

Positive control

Answer 4

Control group not exposed to experimental trt, but exposed to some other treatment known to produce expected effect

Question 5

Negative control

Answer 5

Control group not exposed to the experimental treatment or to any other treatment expected to have an effect

Question 6

What is the equation for power?

Answer 6

Work/Time (Watts)

Question 7

Equation for energy of EM wave

Answer 7

E=hf/wavelength

h: Planck’s constant, f: frequency

Question 8

Centripetal Force Equation?

Answer 8

Fc=mv^2/r

Question 9

Equation of circular velocity?

Answer 9

V=2pi*r/T

Question 10

Suicide inhibition

Answer 10

Enzyme binds to the inhibitor (substrate analog) and forms an irreversible complex with it (normally through covalent bond)

Question 11

Equation for Mechanical Advantage

Answer 11

MA=(force output)/(force input)=(distance output)/(distance input)

Question 12

Is elemental nitrogen an acid or base?

Answer 12

Neither, the elemental nitrogen in the air is inert

Question 13

What are lacteals?

Answer 13

Structures in the intestines associated with absorbing fat into the lymphatic system