If you saw a child with bent, bowed legs, what disease would you suspect the child had?

A. rickets

B. scurvy

C. beriberi

D. pellagra

E. anemia


A. rickets

Biology & Microbiology

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How does the effect of a sudden drop in predator population compare to the effect of a sudden drop in prey population? a. A sudden drop in predator population results in an increase in prey population,while a sudden drop in the prey population results in a sudden drop in thepredator population

b. A sudden drop in the predator population results in a corresponding drop in theprey population, while a sudden drop in the prey population results in a suddendrop in the predator population. c. A sudden drop in the predator population does not affect prey populationnumbers, but a sudden drop in the prey population will result in a sudden drop inthe predator population. d. A sudden drop in the predator population results in a corresponding suddenincrease in the prey population, but a sudden drop in the prey population doesnot affect the predator population.

Biology & Microbiology

Amino acids are attached to their tRNA molecules by which of the following?

a. hydrogen bonds b. aminoacyl-tRNA synthetases c. RNA ligase d. peptide bonds

Biology & Microbiology

Researchers in England found that, for three out of four habitat types they were studying, the most efficient strategy was to create a system of stepping stones linking existing habitat clusters. "Stepping stones" are a type of corridor.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Who, along with Alfred Wallace, formulated the theory of natural selection?

A) Louis Pasteur B) Gregor Mendel C) James Watson D) William Harvey E) Charles Darwin

Biology & Microbiology