Cloning of plants from cuttings demonstrates that _____
A) an individual plant cell cannot de-differentiate and then redifferentiate
B) differentiated plant cells may contain embryonic mRNAs
C) plants lose genetic information in the differentiation process
D) mature plant cells retain the full genetic information needed to carry out the developmental processes to produce a new individual plant
Answer: D
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A decrease in cortisol triggers a negative
feedback loop and causes release of a. adrenocorticotropin. b. cortisol. c. corticotropin releasing hormone. d. insulin. e. thyroxine
Which of the following statements concerning rheumatoid arthritis (RA) is TRUE?
A) It occurs in humans and animals. B) The symptoms are due to damage caused by cytotoxic T cells. C) There is no genetic influence on the likelihood of developing RA. D) Accumulations of antibody complexes lead to inflammation in and destruction of the joints. E) The onset of disease is clearly correlated with having been infected with a specific microbe.
The process of amplifying and identifying multiple STR loci simultaneously is called ___.
What will be an ideal response?
)
A. Inflammatory response B. Complement cascade C. Phagocytosis D. Interferon production E. Antibody production