Viral genomes are composed of either DNA or ________.
Fill in the blank(s) with the appropriate word(s).
RNA
Viral genomes could be either DNA or RNA.
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Some botanists consider the stoneworts to be a link between the higher plants and the algae. As you will learn in future exercises, higher plants, such as the mosses, have both haploid and diploid stages that are multicellular.
(a) Describe the multicellular organism in the charophytes. (b) Is this organism haploid or diploid? (c) Is the zygote haploid or diploid? (d) Is the zygote unicellular or multicellular?
The parts of a flower most likely to have distinctive colors, patterning, and shapes for attracting
pollinators are the
a. petals. b. carpels. c. stamens. d. receptacles. e. sepals.
Warming global temperatures have been causing this aquatic fungal group to proliferate, resulting in declining from populations in Australia and the Americas.
a. Ascomycota b. Microsporidia c. Zygomycetes d. Basidiomycetes e. Chytrids
Which of the following structures attaches muscle to the bone?
A. joints B. sarcomere C. adipose tissue D. ligaments E. tendons