#Question id: 3921
#SCPH28 | Zoology
Which observation is not evidence that supports the theory that mitochondria and chloroplasts originate from symbiotic bacteria?
#Question id: 1615
#SCPH01 Biochemistry
Which of the following statements is TRUE of C3b?
#Question id: 4941
#SCPH28 | Zoology
Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?
1. the relatively short time between intense meteor bombardment and appearance of the first life forms
2. the lack of experimental evidence that organic monomers can form by abiotic synthesis
3. Uncertainty about which gases comprised early Earthʹs atmosphere
#Question id: 4968
#SCPH06 I Botany
Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?
#Question id: 28020
#Research Methodology
Which of the following is the first step in starting the research process?