Evidence supporting the idea that mitochondria and chloroplasts in present-day cells originated as independent organisms includes
A. similarity between photosynthetic pigments in chloroplasts and cyanobacteria.
B. similarity in the way mitochondria, chloroplasts, and bacteria reproduce.
C. similarities in DNA sequences between mitochondrial and bacterial genomes.
D. All of the answer choices are correct.
E. similarities in size and shape between mitochondria and some bacteria.
D. All of the answer choices are correct.
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A phospholipid has ______ fatty acids attached to glycerol, whereas a fat has _______.
A. 3; 4 B. 3; 2 C. 2; 3 D. 2; 4 E. 4; 2
The persistence of malaria and sickle-cell anemia in a population is a case of _____
a. bottlenecking b. balanced polymorphism c. natural selection d. artificial selection e. balanced polymorphism and natural selection
To which Phylum do humans belong?
a. Animalia b. Chordata c. Vertebrata d. Mammalia e. Homo sapiens
Using the information below calculate the total magnification
Objective magnification: 40 Ocular magnification: 10 (Hint: Objective x Ocular = Total)