Fungi are currently classified as six monophyletic groups based on characteristics of the cells undergoing meiosis.
Answer the following statement true (T) or false (F)
False
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A DNA library is
A. a collection of recombinant vectors containing DNA fragments of a given organism. B. a collection of books about clones. C. a line of bacteria that contains a DNA fragment of interest. D. a series of restriction enzymes that can be used to produce a variety of sizes of DNA fragments. E. a collection of recombinant plasmids containing a particular gene from many different organisms.
Which is NOT true about gene mutations?
a. All are transmitted to the next generation. b. They are rare but their rates can be predicted. c. Those with beneficial effects will be favored by natural selection. d. Many reduce an individual’s chance of surviving and reproducing. e. Those with neutral effects neither help nor hurt the individual.
The observation that schizophrenia is associated with duplications of a certain copy number variant (CNV), while autism spectrum disorders are associated with deletions of the same CNV, suggests that _____.
a. CNV mutations are present in all psychiatric disorders b. both disorders have identical phenotypes c. both disorders have an environmental component d. both disorders share common developmental pathways e. neither disorder has a genetic component
Which are lipid-soluble hormones derived from cholesterol?
A. Steroid hormones B. Peptide hormones C. Amine hormones D. Second messengers E. Proteins