Which statement characterizes mitochondria and chloroplasts?
a. Over 60% of the proteins required for mitochondrial or chloroplast function are encoded by genes that are found in the nucleus.
b. Both mitochondria and chloroplasts contain genetic material.
c. Over 80% of the proteins required for mitochondrial or chloroplast function are encoded by genes that are found in the nucleus.
d. Neither mitochondria nor chloroplasts contain genetic material.
Ans: b. Both mitochondria and chloroplasts contain genetic material.
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A) dendritic cells B) monocytes C) neutrophils D) erythrocytes
Which of the following observations suggested that blending was, at best, an incomplete explanation for inheritance?
a. all of the choices b. parents without freckles have children with freckles c. a mating between a white and black horse rarely produced gray offspring d. a cross between white-flowered and purple-flowered pea plants never produced lavender-flowered offspring
Autosomal recessive traits are ________
a. carried on the X chromosome b. inherited by all children of two carrier parents c. carried on any chromosomes except sex chromosomes d. more common in boys than girls
Photosynthesis is an important process that
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