Measurement of relative water content (RWC) can be used to predict a:
A. plant's ability to recover from cell collapsing
B. wilted condition
C. need for fertilizers
D. cold shock
E. salt tolerance
B. wilted condition
You might also like to view...
Based on its function, which type(s) of viruses likely contain(s) a gene encoding for RNA replicase?
A) dsDNA and ssDNA viruses B) positive ssRNA viruses C) positive and negative ssRNA viruses D) ssRNA and ssDNA viruses
Answer the following statements true (T) or false (F)
1. A simple dot matrix is the best method to identify homologous sequences from a known sequence. 2. If a gene's sequence is compared among several different vertebrates and they are found to be 95% homologous, one can assume that the genes are derived from the same ancestral gene. 3. Sequences that are alike will produce a horizontal line in a dot matrix analysis. 4. The current genome databases are biased towards species that are important from a research, medical, or agricultural perspective.
When the ciliary muscle contracts,
a. close objects become focused on the retina. b. a right-side-up and nonreversed pattern of light rays stimulate the retina. c. the lens flattens, and the focal point moves farther back in the eye. d. the pupil enlarges. e. all of these occur.
Which of the following statements is true about gene regulation in prokaryotes?
a. Promoters determine whether a gene is expressed b. Expressed genes make more DNA c. DNA binding proteins determine whether a gene is expressed d. RNA polymerase regulates gene expression