Humans become infected with Fasciola by
A. ingesting cysts on vegetation.
B. consuming cysticerci in contaminated meat.
C. ingesting water contaminated with eggs.
D. the penetration of cercariae through the skin.
E. the bite of infected mosquitoes.
Answer: A
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Some fungal species can kill herbivores while feeding off of sugars from its plant host. What type of relationship does this fungus have with its host?
A) parasitic B) mutualistic C) commensal D) predatory
Answer the following statements true (T) or false (F)
1. Several micronutrients such a manganese and molybdenum are important for helping enzymes function. 2, The term macronutrients refers to the size of minerals such as nitrogen which is a macronutrient 3. Sunlight can actually be so intense that photosynthesis can be stopped. 4. One reason magnesium is important to plants is that it is part of the chlorophyll molecule.
Which viral proteins help influenza bind to and enter a host cell?
A. Membrane Protein M2 and Nucleoprotein B. Nuclear export protein and Nucleoprotein C. PB1, PB2 and PA D. Hemagglutin and Neuraminidase
Antibodies can clump pathogens together in a process known as ______.
A. covalent cross-linking B. gluon formation C. Fc attachment D. agglutination