Which of the following likely contributed to the diversification of angiosperms? Select all correct choices
A. wind-based pollination
B. animal-based pollination
C. a large female gametophyte
D. a small female gametophyte
E. increased rates of photosynthesis
F. decreased rates of transpiration
B,D,E
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Diagnosis of malaria is made by demonstrating the presence of parasites within Gram-stained erythrocytes.
Answer the following statement true (T) or false (F)
The exchange of genetic material between nonsister chromatids of a homologous pair in meiosis is called ________
Fill in the blank(s) with correct word
An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair. What is the relationship between the alleles for hair texture?
A) pleiotropy B) incomplete dominance C) wavy hair dominant to both straight and curly hair D) codominance
Which of the following diagnostic procedures depends on precipitation of antigen-antibody complexes?
A) blood typing B) immunodiffusion C) viral hemagglutination inhibition tests used to diagnose viral infections D) ELISA E) fluorescent antibody tests