In a lichen, the fungal partner, or mycobiont, receives ____
a. nutrients
b. protection from herbivory
c. aid in sexual reproduction
d. enhanced dispersal of offspring
e. shelter from radiation and desiccation
ANSWER: a
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Seed packets give a recommended planting depth for the enclosed seeds. The most likely reason some seeds are to be covered with only -inch of soil is that the _____
A) seedlings do not produce a hypocotyl B) seedlings do not have an etiolation response C) seeds require light to germinate D) seeds require a higher temperature to germinate E) seeds are very sensitive to waterlogging
The medically useful compounds some actinomycetes produce when forming aerial mycelia are called ________.
A. primary metabolites B. anti-metabolites C. secondary metabolites D. inhibitory metabolites
During the denaturation step of PCR, ____ bonds are broken when DNA is heated
a. hydrogen b. double-stranded c. ionic d. metallic e. covalent
Which way does the adductor longus move the thigh?
A. in a cone B. toward the midline C. away from the midline D. towards the back E. in a circle