Which of these membrane transport processes does not require membrane proteins?
A. osmosis
B. facilitated diffusion
C. active transport pumps
D. endocytosis
E. All of the answer choices are correct.
D. endocytosis
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"Epigenetic" means
A) "inside the gene." B) "inside the protein." C) "outside the gene." D) "outside the protein."
In males, gonadotropin-releasing hormone stimulates the __________ to secrete __________
a. anterior pituitary; inhibin b. anterior pituitary; FSH and LH c. anterior pituitary; testosterone d. posterior pituitary; FSH and LH e. posterior pituitary; testosterone
Loci that are far apart:
A. have less attraction than close loci. B. influence the phenotype to a lesser degree than loci that are close together. C. have a higher recombination rate than loci that are close together. D. exhibit a recombination frequency of greater than 50%. E. always segregate together in meiosis.
What part of the human brain contains control centers that establish a breathing rhythm?
A) midbrain B) cerebellum C) medulla oblongata D) thalamus