Concerning growth in genome size over evolutionary time, which of these is LEAST associated with the others?
A) orthologous genes
B) gene duplications
C) paralogous genes
D) gene families
A
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All cells have what three following things
a. Mitochondria, enzymes, and nucleic acid b. Cell membrane, cytoplasm, DNA c. Bacteria, microtubules, organelles d. RNA, DNA, nucleus.
Explain the processes of phloem loading and unloading in a flowering plant
What will be an ideal response?
Which of the following is NOT found in every
nucleotide? a. ribose b. a phosphate group c. a single-ring base d. a double-ring base e. nitrogen
You are asked to give a classroom demonstration of DNA supercoiling. To do so, you take two different colored pieces of rubber tubing, twist them very tightly and excessively around each other and join the ends of the tubing appropriately. Next, you relieve the supercoiling by breaking one strand and unwinding it. In this demonstration, the breaking and unwinding to relieve the supercoiling simulates the action of
A. polymerases. B. exonucleases. C. primases. D. topoisomerases. E. ligases.