Mitochondria are proposed to have evolved before chloroplasts based on which observation?
A. All organisms have mitochondria and conduct cell respiration.
B. Mitochondria are larger, with more complex structures than chloroplasts.
C. Mitochondria produced the oxygen found in the atmosphere.
D. All eukaryotes have mitochondria, but not all eukaryotes have chloroplasts.
E. All prokaryotes have mitochondria, but not all prokaryotes have chloroplasts.
D. All eukaryotes have mitochondria, but not all eukaryotes have chloroplasts.
You might also like to view...
Which enzyme is involved in proofreading during DNA replication?
A) 5' to 3' exonuclease B) 3' to 5' exonuclease C) 5' to 3' endonuclease D) 3' to 5' endonuclease E) DNA polymerase
Plants having the ability to take up organic nitrogen are most likely in which of the following
environments?
a. arctic tundra d. grassland b. salt marsh e. temperate forest c. tropical forest
If R is dominant to r, the offspring of the cross of RR with rr will ____
a. have a unique phenotype b. have the same phenotype as the RR parents c. have the same phenotype as the rr parents d. have the same genotype as the RR parents e. have the same genotype as the rr parents
The movement of oxygen and hydrogen in the form of water takes place in which cycle?
a. global water cycle b. atmospheric cycles c. sedimentary cycles d. solar-plant cycle e. all of these