The process of ________ occurs when molecules move down a concentration gradient due to random molecular motion
Fill in the blank(s) with the appropriate word(s).
diffusion
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In a population of Mendel's garden peas, the frequency of the dominant A (yellow flower) allele is 80%. Let p represent the frequency of the A allele and q represent the frequency of the a allele
Assuming that the population is in Hardy-Weinberg equilibrium, what are the genotype frequencies? A. 64% AA, 32% Aa, 5% aa B. 50% AA, 25% Aa, 25% aa C. 16% AA, 40% Aa, 44% aa D. 75% AA, 15% Aa, 10% aa E. 80% AA, 10% Aa, 10% aa
Approximately 3.5 million years ago the Isthmus of Panama formed. This new landmass severed the connection between the Pacific Ocean and the Caribbean Sea. An ancestral fish population (porkfish) was split in two by this event; the two populations no longer interbreed and are two distinct species. This type of speciation is called
A. allopatric speciation. B. parapatric speciation. C. hybridization. D. sympatric speciation. E. sexual selection due to ecological variation.
When would the human body produce the most lactic acid?
a. after falling into a deep sleep b. after eating a large meal c. during prolonged exercise d. while drinking a glass of milk
What do nociceptors detect?
A. stimuli of pain B. stimuli of smell C. stimuli of pressure D. stimuli of taste E. stimuli of touch