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TLS Online TPP Program
#Question id: 9149
#Unit 9. Diversity of Life Forms
In creating global climate patterns, which of the following factors is the primary cause of all of the other factors that are listed?
TLS Online TPP Program
#Question id: 23699
#Unit 13. Methods in Biology
The first cell whose entire genome was sequenced was which of the following?
TLS Online TPP Program
#Question id: 12188
#Unit 2. Cellular Organization
The series of events by which APC/C promotes the separation of sister chromatids at anaphase.
A. all the kinetochores have attached to spindle microtubules and the spindle apparatus is properly assembled and oriented.
B. Cdc20 specificity factor associated with APC/C directs it to ubiquitinylate securin and mitotic cyclins.
C. A protease known as separase cleaves the cohesin subunit Scc1 (Rad21), breaking the protein circles linking sister chromatids.
D. anaphase begins as poleward force exerted on the kinetochores moves the split sister chromatids toward opposite spindle poles.
E. Following securin degradation and a decrease in mitotic CDK activity.
Which of the following series is correct?
TLS Online TPP Program
#Question id: 794
#Unit 1. Molecules and their Interaction Relevant to Biology
A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which structural feature is found in the single-stranded DNA molecule?
TLS Online TPP Program
#Question id: 6971
#Unit 5. Developmental Biology
Neural crest cells taking the dorso-lateral route will become: