Which parts of the bone are expected to be extremely active in a growing child?

a. fibroblasts
b. osteoblasts
c. osteoclasts
d. chondrocytes


Ans: b. osteoblasts

Biology & Microbiology

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What is the genetic code?

a. all of our genes collectively b. all of our base-pairs collectively c. the genetic “words” that code for amino acids d. the genes on DNA that code for proteins e. more than one of these describes the genetic code

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______ are molecules that stimulate a response by T and B cells.

A) Antibodies B) Antigens C) Interferons D) Platelets

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Which cytoskeletal structures represent a highly diverse group of tension-bearing fibers important to the maintenance of cell shape?

A. microtubules B. intermediate filaments C. microfilaments D. centrioles E. pili

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Select the correct sequence concerning glucose catabolism.

A. glycolysis - acetyl - CoA - pyruvate - Krebs cycle - electron transport chain B. glycolysis - pyruvate - acetyl - CoA - Krebs cycle - electron transport chain C. glycolysis - pyruvate - acetyl - CoA - electron transport chain - Krebs cycle D. glycolysis - acetyl - CoA - pyruvate - electron transport chain - Krebs cycle

Biology & Microbiology