73. The cells make up the epidermis layer of skin are called A. Fibroblasts B. K

Question

73. The cells make up the epidermis layer of skin are called A. Fibroblasts B. Keratinocytes C. Connective tissue D. Cytoskeleton 74. Metastatic cancer tumor cells pass the blood vessels barrier by mean of A. Carbohydrate in extracellular matrix B. Protein (integrin) of extracellular matrix C. Will not pass the blood vessels barrier 75. strong fibers of more than a hundred different types A. microtubules B. microfilaments C. intermediate filaments 76. The cells make up the epidermis layer of skin are called A. Fibroblasts B. Keratinocytes C. Connective tissue D. Cytoskeleton 77- In prokaryotes, newly synthesized proteins are found in and DNA are observed in A. the cytoplasm; the nucleus C. the nucleus; the nucleus also E. the nucleus; the nucleus also and the cytoplasm B. the nucleus; the cytoplasm D. the cytoplasm; the cytoplasm also

Explanation / Answer

Answer 73. The correct option is B. Keratinocytes. Keratinocytes make up the 90% of cells in epidermis.

Answer 74. The correct option is B. Protein ( integrins) of extracellular matrix. Integrins play a major role in tumor cell invasion and metastasis.

Answer 75. The correct option is B. Microfilaments.

Answer 76. The correct option is B. Keratinocytes. This question is repeated.

Answer 77. The correct option is D. The Cytoplasm; the Cytoplasm also. Prokaryotes don't have nucleus.

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