During which phase will the homologous chromosomes be pulled apart?
a. Telophase I
b. Metaphase I
c. Anaphase I
d. Anaphase II
e. Prophase II
c
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Why is DNA resistant to hydrolysis under alkaline conditions?
A. DNA lacks the 3' hydroxyl on the pentose ring, which would have participated in the hydrolysis. B. Deoxyribose forms furanose rings without oxygen, which makes the ring more stable. C. The 2' hydroxyl of the sugar is directly involved in the hydrolysis reaction, and DNA lacks this group. D. The carbonyl of uracil is directly involved in the hydrolysis reaction and DNA lacks this base. E. None of these choices is correct.
What are the functions of cytochrome c and ubiquinone?
a. They translocate protons from the matrix to the inner mitochondrial space. b. They shuttle electrons between the protein complexes. c. They synthesize water from molecular oxygen. d. They produce ATP by substrate-level phosphorylation. e. They produce ATP by oxidative phosphorylation.
________ are extrachromosomal DNA molecules that are not part of the bacterial genome
Fill in the blank(s) with correct word
The property of a test to detect even small amounts of antibodies or antigens that are test targets is
A.) cross-reactions B.) agglutination C.) precipitation D.) specificity E.) sensitivity