One possible use of transgenic plants is in the production of human proteins, such as vaccines. Which of the following is a possible hindrance that must be overcome?

A) prevention of transmission of plant allergens to the vaccine recipients
B) prevention of vaccine-containing plants being consumed by insects
C) use of plant cells to translate non-plant-derived mRNA
D) inability of the human digestive system to accept plant-derived protein


A

Biology & Microbiology

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The reaction of ethanol fermentation is: pyruvate + NADH ? ethanol + CO2 + NAD+. Why would a yeast need to perform this reaction in the absence of oxygen?

A. To produce CO2 for respiration. B. To produce NAD+ allowing glycolysis to continue. C. NADH is necessary to reduce pyruvate to lactate. D. To produce NAD+ allowing the electron transport chain to run. E. To consume excess pyruvate that cannot enter the Krebs cycle.

Biology & Microbiology

Which of the following is involved during the process of translation?

a. terminator b. promoter c. ribosomes d. RNA polymerase

Biology & Microbiology

Water obtained from seawater desalination is much cheaper than water pumped from the ground

Indicate whether the statement is true or false

Biology & Microbiology

The Punnett square illustration below shows that

theoretically a. half of human sperm carry a Y chromosome. b. half of human zygotes are XY. c. all zygotes carry an X chromosome. d. gender depends upon which type of sperm fertilizes the egg. e. all of these are true.

Biology & Microbiology