#Question id: 672
#Unit 1. Molecules and their Interaction Relevant to Biology
An ideal α-helix has a pitch of 0.54 nm and a rise of 0.15 nm. What is the length along the helix axis for a segment of an ideal α-helix that contains 30 amino acids?
#Question id: 24452
#Unit 13. Methods in Biology
#Question id: 5714
#Unit 8. Inheritance Biology
Homologous chromosomes pair in prophase I as a following way, if crossing over occur between P and Q gene of homologous chromosome?
Which of the following consequence of above abnormality?
A. Dicentric chromosome visible at anaphase I
B. Results in formation of acentric chromatid
C. Recombinant gamete unable to produced viable progeny due to missing of many gene
D. Resulting recombinant gamete become aneuploid
#Question id: 14964
#Unit 2. Cellular Organization
#Question id: 4946
#Unit 11. Evolution and Behavior
Although absolute distinctions between the ʺmost evolvedʺ protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not