Which structure, A, B, C, or D, returns nearly all nutrients to the interstitial fluid?
1.A
2.B
3.C
4.D
1
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A genes expressed at a relatively constant level in tissues regardless of variations in the animal's condition is called a
A. transposable element. B. steady state gene. C. constitutive gene. D. recombinant gene. E. multifunctional gene.
The breast muscle of a wild duck is dark, while that of a domesticated chicken is white. The breast muscle in a wild duck consists predominately of
A. fast-twitch muscles with abundant capillaries and mitochondria. B. fast-twitch muscles with few capillaries or mitochondria. C. slow-twitch muscles with abundant capillaries and mitochondria. D. slow-twitch muscles with few capillaries or mitochondria. E. random-twitch muscles with few capillaries or mitochondria.
Discuss which type of DNA mutation in the coding region of an essential human gene (for example, insulin) would be
the most harmful to a phenotype. Consider missense, nonsense, frameshifts, and transposons. What will be an ideal response?
________ store the information necessary to produce proteins
A) Lysosomes B) Genes C) Ribosomes D) Carbohydrates