Stolons are stems that branch from the main stem of the plant and grow along the ground. Stolons may look like roots, but they:
a. grow vertically
b. have endodermis
c. have nodes
d. have root hairs
e. never grow under the ground surface
c
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How many beta sheets are present in crambin?
a. 1 b. 2 c. 3 d. 4
Describe three genetic mechanisms whereby proto-oncogenes can become overexpressed
What will be an ideal response?
The two upper chambers of the heart are called ________; the two lower chambers of the heart are called ________
Fill in the blank(s) with correct word
The process of exon shuffling for the origin of new genes is supported by the evidence that
a. exons evolve more slowly than introns do. b. unicellular eukaryotic genes have fewer exons than multicellular eukaryotic genes. c. different genes have related exons. d. very few prokaryotic genes have introns. e. duplicated genes often have exons in a different sequence than the original copy of the gene.