What are hyphae?
A) symbiotic associations between plant roots and fungi
B) threadlike filaments that make up fungal bodies
C) fungal digestive enzymes
D) fungal spores
B
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Coccidioidomycosis is
A. a fungal disease. B. a protozoal disease. C. caused by Coccidioides sp. D. caused by Candida sp. E. a fungal disease AND caused by Coccidioides sp.
Below is a pedigree of a fairly common human hereditary trait; the boxes represent males and the circles represent females. Filled-in symbols indicate the abnormal phenotype
Given that one gene pair is involved, (a) Is the inheritance pattern X-linked or autosomal? (b) Give the genotype of each individual in the pedigree. If more than one genotypic possibility exists, present all possible alternatives.
What is the main role of the pigment molecules within the antenna or light-harvesting complex?
A. Absorb photons and transfer light energy to the reaction center chlorophyll. B. Oxidize water and release oxygen to the reaction center chlorophyll. C. Synthesize NADPH. D. Increase H+ concentration in the stroma. E. Pass electrons to the electron transport chain and then to NADPH.
The tendency of molecules to stick together, called cohesion, is stronger in water than other liquids because the polarity of water allows a(n):
A) hydrogen atom from one water molecule to form an ionic bond with the oxygen atom of another water molecule. B) hydrogen atom from one water molecule to form a hydrogen bond with the hydrogen atom of another water molecule. C) hydrogen atom from one water molecule to form a covalent bond with the oxygen atom of another water molecule. D) oxygen atom from one water molecule to form a hydrogen bond with the oxygen atom of another water molecule. E) hydrogen atom from one water molecule to form a hydrogen bond with the oxygen atom of another water molecule.