The basic structure of a virus consists of:
a. Genetic information in the form of DNA.
b. Genetic information in the form of DNA, a protein coat, and polymerase to replicate its DNA.
c. Genetic information in the form of DNA or RNA enclosed within a protein coat, along with a few enzymes.
d. Genetic information in the form of RNA, a protein coat, and reverse transcriptase in order to turn its RNA into DNA.
e. Genetic information in the form of DNA or RNA enclosed within a protein coat.
Ans: e. Genetic information in the form of DNA or RNA enclosed within a protein coat.
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____ is a form of learning typically seen in young animals and involves acquiring specific behaviors in response to key experiences during critical times called ____
Fill in the blank with the appropriate word.
The physiological activity of the brain can be visualized using:
A) PET B) CT C) x-ray D) electron microscopy
A good hypothesis must
A. be a logical explanation of events. B. be testable. C. account for all current information related to the events being studied. D. All of these statements are true.
Fungi are ecologically important for all of the following reasons, except which one?
A. Some cause diseases in plants and animals. B. All can exist in symbiotic relationships. C. They break down organic materials and return them to the ecosystem. D. They can break down lignin. E. Some can ferment and produce bread, beer, wine, cheese, and soy sauce.