A technique that could possibly be used in the future for the treatment of cancer involves replacing defective genes with normal genes. This procedure is known as ________ therapy
Fill in the blank(s) with correct word
gene
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Imagine that you have found a mutant oak plant that cannot produce fusiform initials. Which of the
following would be the most direct result of this mutation?
a. The plant would not be able to perform photosynthesis. b. The plant would not be able to make secondary xylem and phloem. c. The plant would not be able to make roots. d. The plant would not be able to transport sugar to the roots. e. The plant would not be able to make leaves.
Which of the following can cause cancer?
A. chemicals B. viruses C. environmental contaminants D. UV rays E. All of the choices can cause cancer.
Among prokaryotes, there are some that can live in every environment on earth.
a. true b. false
Arboviruses are transmitted by the (contact/enteric/vector) route.
Fill in the blank(s) with the appropriate word(s).