TLS Online TPP Program

#Question id: 123


Which would you expect for the fatty acyl chains of the membrane phospholipids of bacteria grown at low temperature?

#Section 2: General Biology
  1. Proportion of unsaturated fatty acyl groups increases.

  2. Proportion of unsaturated fatty acyl groups decreases.

  3. No change in the proportion of saturated versus unsaturated acyl groups.

  4. More cholesterol is produced and is inserted between the fatty acyl chains of the membrane.

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TLS Online TPP Program

#Question id: 1272

#Section 3: Genetics, Cellular and Molecular Biology

Collagen is exported from the endoplasmic reticulum as

TLS Online TPP Program

#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

TLS Online TPP Program

#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?

TLS Online TPP Program

#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?

TLS Online TPP Program

#Question id: 1277

#Section 3: Genetics, Cellular and Molecular Biology

Cadherin cellular adhesion molecules promote:

TLS Online TPP Program

#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