In genetic drift, the allele frequencies in a gene pool change because of

A. mutations.

B. chance.

C. natural selection.

D. genetic equilibrium.

Mr. Helms was admitted to the hospital with chest pains and shortness of breath. His wife was panicked since her 72-year-old husband had a history of heart disease. After examination and an echocardiogram, Dr. Collins spoke with Mrs. Helms.

The bacteria lactobacillus acidophilus is used as a probiotic therapy for gastro intestinal upset. why would a doctor deliberately infect a patient with a bacteria culture?

Which factors are common to both gradualism and punctuated equilibrium? a. Migration, genetic drift, speciation, and natural selection b. Allele change and microevolution c. Slow adaptation, stasis, and expansion

Salt crystals look like tiny cubes. Salt is part of the crystal system

Benedict's solution is an alkaline copper sulfate solution which is used to detect the presence of aldehyde groups.

Rings are a characteristic of large planets only. small planets only both large and small planets. D) neither large nor small planets. ch

The yield of ATP from the complete aerobic oxidation of one glucose molecule is ___ ATP.

if two skeletal muscles were the same overall length and had the same metabolic properties, but one had sarcomeres twice as long as the other which one would shorten faster under a very light load

Which of the following is NOT found in a prokaryotic cell? A. looped DNA B. cell membrane C. nucleus

Heat loss is defined as ... evaporative heat loss + convective heat loss + radiative heat loss + conductive heat gain evaporative heat gain + convective heat loss + conductive heat loss + radiative heat loss evaporative heat loss + convective heat