Question:
Choose your answer: Is "While the majority of flowers are perfect or hermaphrodite (having both pollen and ovule producing parts in the same flower structure), flowering plants have developed numerous morphological and physiological mechanisms to reduce or prevent self-fertilization." a good answer to the question "Why are a heteromorphic flower's carpels and stamens different lengths?"
Answer:
no

Question:
Choose your answer: Is "In the early 1880s, Kanehiro Takaki observed that Japanese sailors (whose diets consisted almost entirely of white rice) developed beriberi (or endemic neuritis, a disease causing heart problems and paralysis), but British sailors and Japanese naval officers did not." a good answer to the question "What was introduced to the diet on a molecular level that prevented the sailors from contracting the disease?"
Answer:
no

Question:
Choose your answer: Is "European standards did not follow until the 1960s, when the PAL and SECAM color systems were added to the monochrome 625 line broadcasts." a good answer to the question "What year did color broadcasts start in the US?"
Answer:
no