In vertebrates, which heart chamber supplies oxygenated blood to the body cells?
A) Left ventricle B) Right ventricle C) Left atrium D) Right atrium
A
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Before Mendel's experiments with pea plants, which ideas formed the basis for most thinking about heredity? Check all that apply.
_____ species gradually change over time _____ the traits of both parents are blended together in their offspring _____ heredity occurs within species _____ some traits are dominant and some are recessive _____ traits are transmitted directly from parents to offspring
Oral bacteria on the tooth surface
A. use fimbriae and slime layers to adhere. B. develop a biofilm. C. metabolize sucrose, produce sticky glucans, and form plaque. D. All of the above are correct.
Examples of photosynthetic accessory pigments are
A. chlorophyll b and carotenoids. B. chlorophyll a and carotenoids. C. chlorophyll a and chlorophyll b. D. carotenoids, chlorophyll a, and chlorophyll b. E. mitochondria.
The term that refers to the presence of a tuft of flagella emerging from the same site is
A. amphitrichous. B. atrichous. C. lophotrichous. D. monotrichous. E. peritrichous.