Why are prions unique? a. Prions are not associated with any known diseases. c. Prions do not infect humans. b. Prions are plant pathogens. d. Prions are made up only of proteins and lack nucleic acids.

Which factor will decrease photosynthesis?

Where do light-independent reactions occur?

Hormones are known as what type of molecules?

75) Sparrows with average-sized wings survive severe storms better than those with longer or shorter wings, illustrating A) the bottleneck effect. B) disruptive selection. C) frequency-dependent selection. D) neutral variation.

When making a dna library from a starting material of mrna, which enzyme is required to copy the mrna molecules into dna molecules?

Why is it necessary to do a spinal tap when you suspect a bacterial infection of the central nervous system? why can't you use a blood test?

Name the major greenhouse gasses and how they get into the atmosphere

Which type of cell goes through the determination process?

What organic molecule is the basis of enzymes.?

Which transport mechanisms require the formation of a vesicles to transport material into or out of the cell? A: diffusion and osmosis B: exocytosis and calcium pumps C: exocytosis and endocytosis D: diffusion and facilitated diffusion