Birds are feathered reptiles
Indicate whether the statement is true or false
TRUE
Biology & Microbiology
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To what disease do individuals heterozygous
for cystic fibrosis have increased resistance?
a. hemophilia b. Tay-Sachs c. typhoid d. diptheria e. cholera
Biology & Microbiology
A form of mutation associated with the expansion in copy number of a nucleotide triplet in or near a gene is called
a(n) ____________________ Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Plants that contain both vessel elements and tracheids for water transport ________.
A. Have an evolutionary disadvantage B. Conduct water and minerals more efficiently C. Are ancestors of modern plants D. Are gymnosperms and ferns E. Are typically small
Biology & Microbiology
In plants, chloroplasts function as the site of cellular respiration.
a. true b. false
Biology & Microbiology