For the activated-sludge, the specific growth rate of cells is given by 

 

The following parameter values are known: F = 500 l/h, α = 0.4, ɣ = 0.1, Xe = 0, V = 1500 l, Ks = 10 mg/l, µm = 1 h-1 , kd = 0.05 h^-1 , S0 = 1000 mg/l, Y M X/S = 0.5 g dw/g substrate.. Calculate the cell concentration in the reactor. 

#Question id: 1272

#Section 3: Genetics, Cellular and Molecular Biology

Collagen is exported from the endoplasmic reticulum as

#Question id: 1274

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following are included as functions of the extracellular matrix?

a. supporting differentiation               b. synthesis of procollagen

c. binding growth hormones               d. filtering

#Question id: 1275

#Section 3: Genetics, Cellular and Molecular Biology

The functions of the extracellular matrix include:

a. supporting differentiation.

b. inducing morphogenesis.

c. binding growth hormones.

d. repairing damaged tissue

which of the following combination is correct?

#Question id: 1276

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following does not belong to the major families of cell surface adhesion molecules?

#Question id: 1277

#Section 3: Genetics, Cellular and Molecular Biology

Cadherin cellular adhesion molecules promote:

#Question id: 1279

#Section 3: Genetics, Cellular and Molecular Biology

A tight junction is made up of which of the following proteins?

a. tricellulin                                                     b. occludin

c. claudin                                                         d. connexins