cDNA is made using what as the starting material?
A. plasmid vectors
B. viral DNA
C. chromosomal DNA
D. mRNA
D
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Which of the following statements describes how root meristems differ from apical meristems in plants?
A. Cells in root meristems have determinate growth. B. Root meristems are shielded by a root cap that protects cells from abrasion by the soil. C. Cells in root meristems are adjacent to the zone of maturation. D. Cells in root meristems are stimulated by hormones other than auxin.
Are flowering plants haploid-dominant or diploid-dominant? What will be an ideal response?
The morphology of plants is determined
A. by cell elongation at both the tip of the shoots and the roots. B. by cell division at the tip of the roots and cell elongation at the tip of the shoots. C. by cell death (apoptosis) along the radial axis. D. by cell division at the tip of the shoots and cell elongation at the tip of the roots. E. by cell division at both the tip of the shoots and the roots.
Which of the following is not a common system for generating knock-out organisms?
A) transformation B) cre-lox C) homologous recombination D) CRSPR-CAS