Both Lycopodium and Equisetum have strobili, roots, and rhizomes. What did you learn in this exercise that enables you to distinguish these two plants?
What will be an ideal response?
Lycopodium is covered with leaves and has strobili made up of tightly packed specialized fertile leaves. Equisetum stems have leaves in whorls only at nodes with distinct internodes. Equistem stems are highly ridged, Lycopodium stems are round. Equistem strobili are not associated with specialized leaves as are those of Lycopodium.
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Genomic ________ are collections of isolated genes maintained in cloning hosts.
A. books B. clones C. libraries D. digests E. DNA
What is the most likely reason for the decrease in hominin hairiness compared to apes?
a. To limit infectious disease spread b. To improve hygiene c. To regulate temperature and allow sweat to evaporate d. To allow skin to absorb sunlight, for vitamin D e. To save energy that hair production requires
The step of translation in which amino acids are added one at a time to the growing polypeptide is
A. elongation. B. mitosis. C. initiation. D. termination. E. transcription.
The above figure represents
a. individual genes from an asexual worm. b. maternal chromosomes that are identical. c. paternal chromosomes that are identical. d. both maternal and paternal chromosomes. e. none of these