Which of the following is a disease of humans that is probably caused by a prion and was originally associated with cannibalism?

A. Creutzfeld-Jakob disease
B. Kuru
C. Gerstmann-Sträussler-Scheinker disease
D. Gerstmann-Sträussler-Scheinker and Creutzfeld-Jakob diseases
E. Both Creutzfeld-Jakob disease and kuru
F. Both Gerstmann-Sträussler-Scheinker disease and kuru


Answer: B

Biology & Microbiology

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Some species of Lycopodium produce gametophytes that grow beneath the surface of the soil, while others grow on the soil surface. Basing your answer on what you’ve learned from other plants in this exercise, predict how each respective type of Lycopodium gametophyte might obtain its nutritional needs.

What will be an ideal response?

Biology & Microbiology

Which of the following statements about structural maintenance of chromosomes (SMC) proteins is true?

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Biology & Microbiology

The tentacles of squids bear hooks, while those of octopus do not

Indicate whether the statement is true or false

Biology & Microbiology