Which of the following can be used to cultivate plant viruses?
A. Plant protoplast cultures
B. Whole plants
C. Cultures of separated plant cells
D. All of the choices are correct.
Answer: D
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In prokaryotes, translation takes place in the
a. cytoplasm. b. nucleus. c. plasma membrane. d. endoplasmic reticulum. e. Golgi bodies
The greater the leaf area index (LAI) above the forest floor, the lower the quantity of light reaching the forest floor
Indicate whether the statement is true or false
According to the graph, which is likely the factor limiting reproductive output of a female fruit fly?
a) availability of male mates b) time to mate with multiple males c) production of eggs d) eggs are much smaller and delicate than sperm e) males typically choose only one female
One take-home message from the microarray data showing ErbB2 RNA expression levels across Chromosome 17 in breast cancer patients is that
a) ErbB2 is likely not involved in the formation of these tumors b) Other genes immediately surrounding ErbB2 are also amplified and thus may contribute to disease c) The majority of the 360 tumors examined show ErbB2 amplification d) ErbB2 expression is inhibited as part of tumor development