Which of the following is NOT one of the key adaptations to land shared by all land plants?
A) A means of taking up nutrients from the soil
B) Waxy cuticle
C) Stomata
D) Water transport by xylem
E) Protected embryos
D
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Who proposed the law of independent assortment?
a. Morgan b. Mendel c. Darwin d. Cuvier e. Flemming
Female silk moths secrete a pheromone as a(n)
a. way to gather young when they scatter. b. message to stay close to the cocoon. c. alarm signal. d. sex attractant. e. territory marker.
Coniferous forests are important ecosystems, particularly in higher latitudes and altitudes. How are
conifers of direct economic importance to humans? What will be an ideal response?
Feedback inhibition is a type of allosteric regulation in which a molecule binds to _______ and inhibits its _______.
a. a site on an enzyme distinct from the catalytic site; activity b. a site on an enzyme distinct from the catalytic site; synthesis c. the catalytic site on an enzyme; activity d. the mRNA for an enzyme; synthesis