While strolling through an arboretum, a very tall tree bearing relatively small pollen-producing cones and short, needle-like leaves catches your eye. What else is also likely true of this species?
_____ It produces resin.
_____ It is pollinated by moths.
_____ It is a monocot.
_____ Its water-conducting cells are protected from desiccation by tori.
______ Its leaf surfaces are protected from desiccation by a thick waxy cuticle.
__X__ It produces resin.
_____ It is pollinated by moths.
_____ It is a monocot.
__X__ Its water-conducting cells are protected from desiccation by tori.
__X__ Its leaf surfaces are protected from desiccation by a thick waxy cuticle.
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In eukaryotes, ____ regulation is the first level at which gene expression is controlled
a. transcriptional b. translational c. posttranscriptional d. posttranslational e. replicative
The age that saw a great diversification of land plants, as well as the first amphibians, was the
a. Cambrian. b. Cretaceous. c. Devonian. d. Jurassic. e. Ordovician.
Which stage of mitosis starts as sister chromatids split apart and begin to move toward opposite poles?
a) prophase b) prometaphase c) anaphase d) telophase e) metaphase
Mycorrhizae are especially effective in helping plant roots uptake
A. phosphorus. B. potassium. C. iron. D. magnesium. E. nitrogen.