Consider the ABO “blood type” gene. This single gene has three alleles called A, B, and O. There are four resultant “blood types” (phenotypic classes), as follows: C

                         

Assume Hardy-Weinberg equilibrium,  the frequencies of the A and B alleles are 0.26 and 0.07, respectively. You now examine the ABO blood types in a new population. You observe that the A, B, and O blood types all have equal frequencies in this population. What are the frequencies of the A and O alleles in this population?

TLS Online TPP Program

#Question id: 2374

#Unit 2. Cellular Organization

Which of the following best describes the fluid mosaic model?

TLS Online TPP Program

#Question id: 11466

#Unit 1. Molecules and their Interaction Relevant to Biology

Calculate the PI of histidine ?

TLS Online TPP Program

#Question id: 2308

#Unit 2. Cellular Organization

In what way are the Archaea more similar to the Eukarya than to the Bacteria?

TLS Online TPP Program

#Question id: 34156

#Unit 7. System Physiology – Animal

Cortisol is bound in the circulation to an α globulin called: 

TLS Online TPP Program

#Question id: 2886

#Unit 2. Cellular Organization

Match the following sites of modifications on histones given in Column I with their effect on transcription given in Column II.

COLUMN I                                               COLUMN II

1) Methylation of H3K36 in transcribed region               a) Activation

2) Ubiquitinylation of H2BK120 in mammals                b) Repression

3) Phosphorylation of H2AT120                                    c) Elongation

4) Hypoacetylated Lysine

5) Acetylation of H4K8