How does the spread of viruses differ between plants and animals?

Viruses must penetrate through cell walls of plant cells and not animal cells.
Viruses spread faster in plants than animals because of photosynthesis.
Viruses do not spread to plants, only animals.
Viruses spread more slowly in plants than animals because of photosynthesis


Viruses must penetrate through cell walls of plant cells and not animal cells

Biology & Microbiology

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Atractyloside is a poison that inhibits the transport of ADP from the cytosol across the mitochondrial membranes and into the mitochondrial matrix. The direct effect of this drug is to stop ATP synthesis because:

A. ADP is a necessary substrate for the reaction catalyzed by ATP synthase. B. it prevents proton pumping across the inner mitochondrial membrane. C. it prevents electron transfer to O2. D. it prevents electron transfer from NADH to complex I.

Biology & Microbiology

Soybeans will have several hundred Rhizobium nodules per plant and may divert 20–30 percent of their energy generated by photosynthesis to the nodules instead of other plant functions. Why would the plant divert so much energy to Rhizobium?

A. Rhizobium protects the plants from parasites. B. Rhizobium protects the plants from predators. C. Rhizobium produces sugars. D. Rhizobium produces NH4. E. Rhizobium produces N2.

Biology & Microbiology

Which of the following organisms have benefited from wolf reintroduction?

A) grizzly bears B) beavers C) woody plant species D) all of the above

Biology & Microbiology

Describe a convenient method for determining gene order from three-point cross results

What will be an ideal response?

Biology & Microbiology