Which statement about mitochondria is true?
A) Mitochondria are found in both eukaryotes and prokaryotes.
B) There tend to be more mitochondria in fat cells than in liver cells.
C) Most plant cells contain mitochondria.
D) Mitochondria may have originated evolutionarily as photosynthetic bacteria.
E) Red blood cells contain the most mitochondria of any cells in the human body.
C) Most plant cells contain mitochondria.
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Four genes (A, B, C, D) are in the same chromosome. The distance between A and B is 4 map units, between A and C is 6 map units, between A and D is 1 map unit, between B and C is 2 map units, and between B and D is 5 map units
The correct order of genes in the chromosome is: A. D, C, B, A B. C, B, A, D C. B, A, C, D D. A, B, C, D E. B, D, A, C
The master gene that controls eye development in all multicellular eukaryotes is an example of a(n) _____
a. homeotic gene b. conserved protein c. RNA enzyme d. Barr body e. translation factor
Lian, at 12 years old, was barely 3 feet tall. What hormone might she take to grow taller?
A) growth hormone B) estrogen C) aldosterone D) calcitonin
A bacterium living in an underground septic tank thrives by absorbing organic compounds from decomposing wastes. What is it?
A) a chemoautotroph B) a chemoheterotroph C) a photoautotroph D) a photoheterotroph