The carbohydrate that plants use to store energy is called:
A. cellulose
B. starch
C. fructose
D. sucrose
E. chitin
Answer: B
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Outline at least 3 ecological roles of the giant kelps
What will be an ideal response?
The difference between somatic cell gene therapy and germline therapy is that
A. germline therapy is the temporary repair of a genetic mutation, whereas somatic cell therapy is a permanent fix. B. germline therapy overcomes a protein malfunction in specific tissues but is not repaired in the entire organism and cannot be passed on to offspring. C. somatic cell gene therapy is introduced into the egg, sperm or developing embryo, whereas germline therapy introduces a new gene into a mature tissue. D. somatic cell gene therapy overcomes a protein malfunction in specific tissues but is not repaired in the entire organism and cannot be passed on to offspring.
Hawthorn maggot flies that breed on native hawthorns or introduced European apples can mate in the lab, but rarely mate in the wild. This is an example of _____ reproductive isolation.
A. postzygotic B. prezygotic C. allopatric D. sympatric E. outgroup
Why would a scientist use DNA fingerprinting to answer a question about human migration?
A) to determine what race a person belongs to B) to determine the paternity of an individual C) to determine the frequency of a particular allele in different populations D) to determine whether a recessive allele gave an advantage in a particular environment