Differentiation is characterized by
A. cellular division and growth.
B. body parts being shaped and patterned into a specific form.
C. cells becoming specialized in structure and function.
D. All of the choices are correct.
E. None of the choices are correct.
Answer: C
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The grinding organ indicated by the letter "E" is called the
a. mouth. b. crop. c. gizzard. d. secreting portion of stomach. e. cloaca.
In eukaryotes, transcription takes place in the ________ and translation takes place in the ________.
A. nucleoid, cytoplasm B. nucleus, nucleus C. cytoplasm, nucleus D. nucleus, cytoplasm E. cytoplasm, cytoplasm
Schizophrenia and bipolar disorder are caused by _____
a. one gene, plus environmental triggers b. the same gene c. many genes, plus environmental triggers d. copy number variants, without environmental triggers e. the same mutations that cause autism spectrum disorders
What structures evolved in the Acacia in order to develop a mutualistic relationship with the Pseudomyrmex ant?
A. Nectaries and Beltian bodies B. Secondary compounds and tough fibrous leaves C. Hollow thorns and a fibrous root system D. Nectaries and tough fibrous leaves E. Secondary compounds and Beltian bodies