#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: 2601
#SCPH05 I Biotechnology
Condition of basal level transcription (BLT);
#Question id: 5078
#SCPH01 Biochemistry
A human blastomere is:
#Question id: 3282
#SCPH06 I Botany
Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is
#Question id: 5616
#SCPH01 Biochemistry
In the sperm the elevated Ca2+ level in a relatively basic cytoplasm triggers