The accompanying figure illustrates the process of ________, which requires a(n) ________ between two regions in a fluid

Fill in the blank(s) with correct word


diffusion; concentration gradient

Biology & Microbiology

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What is the genotype of the females that gave rise to these progeny?

Females heterozygous for the recessive second chromosome mutations px, sp, and cn are mated to a male homozygous for all three mutations. The offspring are as follows:



A) px+sp cn / px sp+cn+
B) px+sp cn+ / px sp+cn
C) px+sp+ cn+ / px spcn
D) pxsp cn+ / px+ sp+cn
E) insufficient data

Biology & Microbiology

The substance indicated as “B” is a(n)

a. inhibitor. b. activator. c. substrate. d. coenzyme. e. cofactor.

Biology & Microbiology

A pedigree is always able to provide enough information to rule out all but one possible pattern of inheritance

a. True b. False

Biology & Microbiology

Which of the following structures places a fish in the class Actinopterygii?

a. swim bladder b. pharynx with gills c. nerve chord d. pelvic fin e. dorsal fins

Biology & Microbiology