In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?

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#Question id: 1269

#4. Cell Communication and Cell Signaling

Which of the following constituents are not found in most basal laminae?

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#Question id: 1270

#4. Cell Communication and Cell Signaling

Which of the following is a major extracellular molecule in mammals containing no protein portion?

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#Question id: 1271

#4. Cell Communication and Cell Signaling

Common sugars found in proteoglycans include all of the following except:

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#Question id: 1272

#4. Cell Communication and Cell Signaling

Collagen is exported from the endoplasmic reticulum as

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#Question id: 1274

#4. Cell Communication and Cell Signaling

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

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#Question id: 1275

#4. Cell Communication and Cell Signaling

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?