You observe an embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak. How would you identify this organism, based on the information given?
A) insect
B) fish
C) amphibian
D) bird
E) sea urchin
Answer: D) bird
Biology & Microbiology
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Hox complexes in mammals are homologous to invertebrate ______
A. zygotic genes B. segmentation genes C. homeotic genes D. maternal effect genes
Biology & Microbiology
Digestion of which major nutrient type depends heavily on the process of emulsification?
A. carbohydrates B. lipids C. nucleic acids D. proteins E. bile salts
Biology & Microbiology
In a theoretical population in Hardy-Weinberg equilibrium, 550 individuals have the AA genotype, 300 have Aa, and 150 have aa. For this population, p = ________
a. 0.9 b. 0.2 c. 0.5 d. 0.7
Biology & Microbiology
Compare and contrast the lactose operon with the tryptophan operon
What will be an ideal response?
Biology & Microbiology