Which action that spreads pathogens is the simplest to prevent?
1.inhalation
2.indirect contact
3.contact with a vector
4.direct contact
4
You might also like to view...
The evolutionary process that created chloroplasts and mitochondria is:
A. punctuated equilibrium. B. evolution. C. symbiosis. D. endosymbiosis.
What is the relationship between operons and transcription units?
a. They are two terms for the same thing. b. An operon is made up of a transcription unit and associated regulatory DNA sequences. c. A transcription unit is made up of an operon and associated regulatory DNA sequences. d. An operon is comprised of multiple transcription units. e. A transcription unit is comprised of multiple operons.
Golden rice:
a) could help the 250,000 children each year who are at risk of blindness due to vitamin A deficiency. b) supplies more protein. c) grows without a husk, thereby reducing the processing required before it can be consumed. d) supplies more vitamin A in one serving than an individual needs in a full week. e) can make vitamin A without beta-carotene.
The tRNA bases called the ______ are complementary to three consecutive nucleotides on an mRNA molecule
Fill in the blank(s) with the appropriate word(s).