In a family of four children, what is the probability of obtaining the following numbers of boys and girls?

(a) All boys(b) All children of the same sex(c) two girls and two boy(d) three boys and one girls

TLS Online TPP Program

#Question id: 32407

#Unit 1. Molecules and their Interaction Relevant to Biology

Deuterated acetyl-coenzyme A (-CD3 instead of –CH3) was used in an experiment to study the TCA cycle. Upon analysis of the metabolites, it was found that deuterium (D) was present in a wide variety of compounds; even compounds not associated with the citric acid cycle. This is due to

TLS Online TPP Program

#Question id: 167

#Unit 1. Molecules and their Interaction Relevant to Biology

The formation of a peptide bond between two amino acids is an example of a(n) ______________ reaction.

TLS Online TPP Program

#Question id: 2811

#Unit 2. Cellular Organization

RNA interference is a method for inhibiting the function of specific genes using

a. single-stranded DNA.                     

b. double-stranded DNA.

c. single-stranded RNA.                     

d. double-stranded RNA.

TLS Online TPP Program

#Question id: 4190

#Unit 3. Fundamental Processes

Which statement is false about polysomes?

TLS Online TPP Program

#Question id: 1486

#Unit 4. Cell Communication and Cell Signaling

Removal of a cell from its substratum disrupts integrin signaling, leading to release of the BH3-only protein from the cytoskeleton, known as: